This report provides a detailed analysis of solar absorption cooling and solar Rankine cooling processes as represented by the National Solar Data Network (NSDN) systems. Five solar cooling systems were monitored in 1982; four of ...

A detailed analysis of the solar absorption cooling process as represented by the NSDN system is presented. There is comprehensive data on eight solar cooling systems in the NSDN. Among these eight systems solar cooling by an ...

This report provides a detailed analysis of solar absorption cooling and solar Rankine cooling processes as represented by the National Solar Data Network (NSDN) systems. There is comprehensive data on four absorption chiller ...

This is the Final Report for two solar cooling projects under this Cooperative Agreement. The first solar cooling project is a roof-integrated solar cooling and heating system, called the Power Roof(trademark), which began operation in Raleigh, North Caro...

solar cooling systems, solar-thermal collectors convert solar energy into heat for absorption chillers or desiccant regeneration. * In solar lighting systems, sunlight is...

A detailed analysis of the solar absorption cooling process as represented by the NSDN system is presented. There is comprehensive data on eight solar cooling systems in the NSDN. Among these eight systems solar cooling by an ...

The status of absorption cycle solar air conditioning and the Rankine cycle solar cooling system is reviewed. Vapor jet ejector chillers, solar pond based cooling, and photovoltaic compression air conditioning are also briefly discussed. Hybrid solar ...

The status of absorption cycle solar air conditioning and the Rankine cycle solar cooling system is reviewed. Vapor jet ejector chillers, solar pond based cooling, and photovoltaic compression air conditioning are also briefly discussed. Hybrid solar ...

An assessment of solar-powered cooling of buildings using Rankine cycle engines or absorption cycle equipment is presented. In this type of application thermal energy obtained from the sun would be used to drive a Rankine engine or an absorption cooling u...

A comprehensive survey of the current state of the absorption cooling technology has been conducted. This survey discusses the basic and applied absorption cooling/heating technology, analyses the current state of the art including the discussion of limit...

The discussion covers the variables that can influence the proper choice of the solar energy system components for the cooling of buildings.

A short discussion is given on the difficulties inherent in solar absorption air conditioning. Passive heating and cooling systems, nocturnal radiative cooling, and backup systems are briefly mentioned. (WDM)

The use of cool storage in conjunction with lithium bromide absorption chillers allows for improved operating conditions of the cooling subsystem. Significant performance degradation in the absorption cooling capacity is evident whenever the chiller cycle...

Research on solar air conditioning at the University of Riyadh in Riyhadh, Saudi Arabia is presented. Topics relevant to the university's proposed solar cooling laboratory are discussed: absorption systems and various contingencies, photovoltaic solar col...

NREL is working to significantly reduce the life-cycle energy cost of solar absorption cooling technology; improve the technical feasibility of advanced-cycle solar...

After a discussion of summer air conditioning requirements in the United States, active, hybrid, and passive cooling systems are defined. Active processes and systems include absorption, Rankine cycle, and a small variety of miscellaneous systems. The hybrid solar cooling and dehumidification technology of ...

Ninety-three project summaries are presented which discuss the following aspects of active solar heating and cooling: Rankine solar cooling systems; absorption solar cooling systems; desiccant solar cooling ...

Ninety three project summaries dicussing the following aspects of active solar heating and cooling are presented: Rankine solar cooling systems; absorption solar cooling systems; desiccant solar cooling systems; ...

Every solar refrigeration process suitable for arid land must work with an air cooled condenser and absorber. It is shown that such equipment can be made by adapting commercially available absorption machines to concentrators presently developed. Solar absorption cooling is ...

Solar cooling by an absorption chiller is not a cost effective method to use solar heat. This statement is substantiated by careful analysis of each subsystem and equipment component. Good designs and operating procedures are identified. The problems which reduce cost effectiveness are pointed out. There are ...

This report addresses how changing a flat roof's solar absorptance alters the energy required to heat and cool a building. The increase in a roof's surface temperature due to insolation increases the building's heat gain during the summer and reduces its ...

A review of the current technology and achievements in the research and development of solar cooling systems is presented. Brief discussions on Rankine cycle engines, absorption refrigeration cycles, and open-cycle absorption systems are included.

The use of cool storage in conjunction with lithium bromide absorption chillers allows for improved operating conditions of the cooling subsystem. Significant performance degradation in the absorption cooling capacity is evident whenever the chiller cycles are on and off during periods of low ...

The use of cool storage in conjunction with lithium bromide absorption chillers allows for improved operating conditions of the cooling subsystem. Significant performance degradation in the absorption cooling capacity is evident whenever the chiller cycles on and off during periods of low ...

Results are reported of a four-year study of a nine-room three-floor model home utilizing absorption-cooling solar equipment with a cooling power of 50,000 kcal/hour. Some improvements in design and use of such equipment are suggested. It is seen that absorption-cooling equipment has potential for use in buildings ...

An integrated evacuated tube solar collector and absorption space cooling system installed in a solar house was designed, tested, and evaluated. The seasonal performance was compared with two other solar heating and cooling systems installed in adjacent buildings with ...

The use of cooling storage in conjunction with lithium bromide adsorption chillers allows for improved operating conditions of the cooling subsystem. Significant performance degradation in the absorption cooling capacity is evident whenever the chiller cycles are on and off during periods of low ...

Results from the University of Texas at Arlington/Solar Energy Research Facility (UTA/SERF) analytical and experimental study on residential solar heating and cooling systems are given. A description of the 145-sq m solar residence, its basic components, operation, and controls of various combinations of system ...

The current effort concentrates on design requirements of thermal storage subsystems for active solar cooling systems. The use of thermal storage with respect to absorption, Rankine, and desiccant cooling technologies is examined.

A comprehensive survey of the current state of the absorption cooling technology has been conducted. This survey discusses the basic and applied absorption cooling/heating technology, analyses the current state of the art including the discussion of limitations and possible solutions, identifies areas where ...

The progress and status of active solar heating and cooling contracts is summarized in overview papers and in individual project papers in the areas of: Rankine solar cooling systems; absorption solar cooling systems; desiccant ...

Sunlit surfaces of buildings experience higher temperatures during hours of solar exposure than those experienced by unexposed surfaces. The solar radiation incident on building exterior surfaces may in turn affect the heating and cooling loads imposed on...

Improved performance of solar cooling systems using the lithium bromide water absorption cycle is investigated. Included are computer simulations of a solar-cooled house, analyses and measurements of heat transfer rates in absorption system components, and design and fabrication of various ...

The cooling of buildings is discussed and possible systems utilizing solar energy for this end are considered. The science of psychrometrics, which deals with the thermal properties of moist air, is introduced, and the three major processes for conditioning the atmosphere of a space, sensible cooling, cooling and ...

The status of absorption cycle solar air conditioning and the Rankine cycle solar cooling system is reviewed. Vapor jet ejector chillers, solar pond based cooling, and photovoltaic compression air conditioning are also briefly discussed. Hybrid solar ...

water heating, polymer materials, freeze protection, system certification, solar absorption cooling, transpired solar collectors, PV technologies, testing, building...

The solar absorptance, thermal emittance, estimated manufactured cost, and estimated service life are tabulated for black chrome, black nickel, selective paint, and etched antireflection. (WHK)

Solar absorption cooling systems are viewed as potential alternatives to fossil-fuel-based conventional cooling systems. This view is investigated in this paper from the point of view of the energy balance of solar absorption and conventional systems. The paper investigates ...

A method is proposed for calculating the heat balance of a house cooled by a solar absorption cooling system. Calculations and experimental data show that a solar cooling unit without a storage device can maintain a stable temperature of about 26 C (mean ...

This report provides a detailed analysis of solar absorption cooling and solar Rankine cooling processes as represented by the National Solar Data Network (NSDN) systems. Five solar cooling systems were monitored in 1982; four of ...

The report describes the design, modelling and performance of an active solar cooling system in Northern Italy. Various aspects related with active solar cooling, like energy storage, room comfort, modelling and the LiBr - H2O absorption cycle are discuss...

The Second Law of Thermodynamics is used to analyze solar powered absorption cooling cycles and systems. Irreversibility is used as a figure of merit for components and cycles. The irreversibility of individual components is determined for several solar-powered absorption cycles and systems. ...

If residential solar heating and cooling is to be universally usable across the country, air-cooled solar air conditioners must be developed in addition to present water-cooled systems. Absorption cycles that are suitable for air-cooled operation with ...

This paper discusses the performance of 3-ton, 15-ton, and 25-ton absorption chillers fired by solar hot water. An important concern to manufacturers and designers of solar cooling systems is the effect of solar insolation on the chilled water output and efficiency of ...

The impact of the reduced energy requirements and cooling loads of solar collectors is assessed. Energy conservation measures to reduce the energy consumption have been implemented. It is indicated that solar chemical dehumidification was more efficient than solar absorption.

The impact of the reduced energy requirements and cooling loads of solar collectors is assessed. Energy conservation measures to reduce the energy consumption have been implemented. It is indicated that solar chemical dehumidification was more efficient than solar absorption.

Description of the design and testing of a residential solar cooling system consisting of a solar energy collector and heat conversion assembly, an absorption-diffusion cooling assembly for daytime use, and an absorption-type cooling unit for night use. ...

Three solar-powered cooling concepts are analyzed and evaluated. These are: (1) the solar Rankine concept in which a Rankine cycle driven by solar energy is used to drive a vapor compression refrigeration machine, (2) the solar-assisted Rankine concept in which a Rankine cycle driven by both ...

The objective of this study was to provide an assessment of solar-powered cooling of buildings using Rankine cycle engines or absorption cycle equipment. In this type of application thermal energy obtained from the sun would be used to drive a Rankine eng...

A mathematical model of a single and a two stage solar absorption regrigeration system is developed in which data of collectors and weather data can be implicated. The influence of the generator, the absorber efficiencies, and the cooling temperature on t...

The hybrid refrigeration/sorption concept is a technically feasible approach to solar cooling which has not yet been systematically evaluated. Various system configurations are possible, each with advantages and disadvantages relative to the others, and with respect to solar cooling systems based on the individual ...

The characteristics and limitations of four types of solar cooling systems for air conditioning of buildings are described. Absorption cooling, desiccant cooling, heat-engine-driven mechanical cooling, and photoelectric-powered mechanical cooling are ...

Research on solar air conditioning at the University of Riyadh in Riyhadh, Saudi Arabia is presented. Topics relevant to the university's proposed solar cooling laboratory are discussed: absorption systems and various contingencies, photovoltaic solar collectors and thermoelectric ...

The practicality of an integrated flat plate state-of-the-art liquid-heating solar collector and absorption cooling system is studied. This was accomplished by designing and installing a complete solar heating and cooling system (including appropriate data acquisition equipment and ...

The absorption system is one of the most suitable techniques for utilising solar energy for air-conditioning purposes. Although it uses solar energy directly with minimum conversion, it consumes considerable quantities of water for the cooling tower. This is a serious disadvantage where solar ...

Supporting information is presented on: properties of a chemical system for solar fired, air-cooled absorption equipment, air-side performance of a one-inch tube, absorber plate-fin coil, listings of the programs used for simulation and data reduction, and evaluation of the Carrier three-tone chiller in an integrated heating and ...

The possible use of solar energy powered absorption units to provide cooling and heating of residential buildings is studied. Both, the ammonia-water and the water-lithium bromide cycles, are considered. It is shown that the air cooled ammonia water unit ...

For solar heating (with cooperating cooling) both simplification and automatic control are needed. In the present invention solar heating and air conditioning apparatus is improved in various ways. For example, the furnace for auxiliary heat is eliminated. Operation of the solar heat collecting apparatus may be ...

Solar winter heating and cooling are considered the most promising prospects of solar energy utilization in the near future. The paper presents the feasibility of solar cooling and heating using the solar absorption system. Two mixtures in wide use for ...

A modern, one-story school building south of San Jose, CA has been equipped with a solar heating and cooling system, consisting of concentrating collectors an absorption air conditioning unit, and a storage tank. The solar HVAC system is described in deta...

By surrounding the absorber-heat exchanger component of a solar collector with a glass-enclosed evacuated space and by providing the absorber with a selective surface, solar collectors can operate at efficiencies exceeding 50% under conditions of delta T/...

The determination of properties of zeolite/refrigerant combinations of solar refrigeration systems are reviewed in this final report. The US DOE has funded several studies aimed at identifying potential rerigerant/absorption pairs for solar cooling applic...

A comparative analysis has been performed to compare the cooling and dehumidification performance of future ventilation mode desiccant systems, proposed advanced absorption systems, and conventional vapor compression systems. A common framework has been developed for direct comparison of these different cooling technologies; this ...

The chemical composition of a 'best' absorption refrigerant system is identified, and those properties of the system necessary to design hot water operated, air cooled chilling equipment are determined. Air cooled chillers from single family residential sizes into the commercial rooftop size range are designed and operated.

A broad line of absorption chillers designed to operate with hot fluids at as low a temperature as practical while rejecting heat to a stream of water was developed. A packaging concept for solar application in which controls, pumps, valves and other system components could be factor assembled into a unitary solar module was ...

The principal objective of the project is to test and evaluate the practicality of an integrated evacuated tube solar collector and absorption space cooling system installed in Colorado State University (CSU) Solar House III. This objective was to be acco...

Abstract: Improved performance of solar cooling systems using the lithium bromide water absorption cycle is investigated. Included are computer simulations ...

Abstract: Improved performance of solar cooling systems using the lithium bromide water absorption cycle is investigated. Included are computer simulations ...

Abstract: Improved performance of solar cooling systems using the lithium bromide water absorption cycle is investigated. Included are computer simulations ...

Solar system design has typically been based on monthly average daily total data and empirically derived correlations. Such an approach has been found satisfactory for solar heating systems. However, solar cooling system design has different requirements. Because of the close correlation between radiation and ...

Requirements for cooling are related to the need to be able to maintain foodstuffs in good condition with the aid of refrigeration and the desirability to provide a comfortable indoor environment by air conditioning. The representation of the desired conditions in a room by a point on a psychrometric chart is considered together with processes of sensible ...

A 3-ton lithium bromide absorption water chiller was tested for a number of conditions involving hot-water input, chilled water, and the cooling water. The primary influences on chiller capacity were the hot water inlet temperature and the cooling water inlet temperature. One combination of these two parameters extended the output to ...

In recent years, more and more attention has been paid on the application potential of solar cooling for buildings. Due to the fact that the efficiency of solar collectors is generally low at the time being, the effectiveness of solar cooling would be closely related to the availability of ...

Information is provided on the solar energy system installed in the newly constructed office building of the North Georgia Area Planning and Development Commission near downtown Dalton, Georgia. This solar heating, cooling and hot water system supplies 65 to 70% of the cooling demand and 90 to 95% of the heating ...

A new selection criterion for solar powered dual absorption systems is presented, and a multidimensional definition for the coefficient of performance is suggested. The traditional definition, which does not define the heat input base, is found to create misleading results with respect to machine selection, causing the dual cycle to often be ignored. A ...

The study deals with a solar system for refrigeration specially designed for remote areas. The thermodynamic cycle, using an ammonia-water absorption, only consumes thermal energy and is easy and cheap to produce by direct conversion of solar radiation. I...

Systems analysis is used to calculate the 20 yr. present value of energy savings of solar cooling systems located in Texas, Arizona, Florida, and Washington, DC, and methods of solar system development to meet the cost goals of economic operation are outlined. Solar cooling systems are ...

The principal objective of the project is to test and evaluate the practicality of an integrated evacuated tube solar collector and absorption space cooling system installed in Colorado State University (CSU) Solar House III. This objective was to be accomplished by designing and installing a complete ...

The potential for improved solar cooling economics has not been realized. The absorption cycle, and heat activated Rankine engine suffer from low efficiency. Desiccant cooling is simple and can acheive a Coefficient of Performance (COP) double that of the other systems. The basic desiccant system technology is ...

Appendices are presented to a study of the technical, economic, social, environmental, and institutional factors affecting the feasibility of using solar energy for heating and cooling of buildings. Titles of the appendices are: Building and usage selection; solar collector and solar ...

This is the Final Report for two solar cooling projects under this Cooperative Agreement. The first solar cooling project is a roof-integrated solar cooling and heating system, called the Power Roof{trademark}, which began operation in Raleigh, North Carolina in late July ...

Higher Performance Concentrator SEECOT * CT Inlet Air Cooling Operate two stage Absorption Chiller Steam 150 psig, 350 F * CT Steam Injection 450 psig, 460 F Inlet Air Cooling...

It is estimated that space cooling accounts for approximately. 4%-of the energy ... FIGURE 1-i. SCHEMATIC OF A TYPICAL SOLAR ENERGY-ABSORPTION COOLING SYSTEM. ...... mance, it can also degrade the performance. First, it absorbs ...

water for air cooling is provided by a standard 170-ton lithium-bromide .... water side of absorption chiller, chilled water side of absorption chiller, ... maintenance and degradation studies on that particular solar collector design. ...

The objective of this research study is the development of radically new fluid systems, specifically tailored to the needs and requirements of solar-absorption cooling for single-family-size residences. Progress is reported.

The report contains a technical evaluation of a solar-powered absorption cooling system in which lithium bromide and water are the solvent and coolant, respectively. The goal of the evaluation is the optimalization of existing systems. To this end, a comp...

The design of solar cooling systems for the tropics in general and Barbados in particular is discussed. Active and passive cooling systems must be designed taking into account the local climate and latitude. Flat plate solar collectors, as opposed to tracking or concentrating collectors, are considered optimal for ...

A comparative analysis has been performed to compare the cooling and dehumidification performance of future ventilation-mode desiccant systems, proposed advanced absorption systems, and conventional vapor compression systems. A common framework has been developed for direct comparison of these different cooling technologies; this ...

the Solar Energy Enhanced Combustion Turbine, which uses solar energy to provide absorption cooling on the inlet air of a gas turbine and to generate steam for injecting in the...

The report describes the testing of a solar-driven refreigerator/ice-pack freezer designed in accordance with the requirements set up by the Extended Immunization Programme of the World Health Organization. The cooling is obtained by an intermittent solid...

The solar absorptance, thermal emittance, estimated manufactured cost, and estimated service life are tabulated for black chrome, black nickel, selective paint, and etched antireflection. (ERA citation 03:003006)

... cap absorption, and solar corpuscular streams are briefly ... Descriptors : *ABSORPTION, *SOLAR FLARES, *SOLAR RADIATION, COSMIC RAYS ...

The development of a heat-actuated air conditioner that can operate with the temperatures available from flat plate solar collectors and use air cooling for disposal of the waste heat was explored using the ammonia water absorption cycle. Results of initial tests of an experimental system that fabricated to provide basic engineering ...

The Department of Energy (DOE) projects with industry and academic institutions directed toward the development of cost effective, reliable, and publically acceptable active solar heating and cooling systems are presented. A major emphasis of the program is to insure that the information derived from these projects is made available to all members of the ...

Results derived from analysis of data obtained from monitoring the operation of four solar energy cooling installations in the National Solar Data Network are presented. It is shown that chiller coefficients of performance (COP) on the order of 0.65 can be easily obtained with existing technology, provided the designer adequately ...

Solar icemaking is a logical technology for developing countries. If solar radiation is harnessed for cooling purposes, the peak supply of useful energy will generally coincide with peak demand for refrigeration, while the use of the solar cooling effect to produce ice will provide energy ...

The operational and thermal performance of a variety of solar systems are described. The Solar Cooling System was installed in a hotel at St. Thomas, U. S. Virgin Islands. The system consists of the evacuated glass tube collectors, two 2500 gallon tanks, pumps, computerized controller, a large solar optimized ...

The operational and thermal performance of a variety of solar systems are described. The Solar Cooling System was installed in a hotel at St. Thomas, U. S. Virgin Islands. The system consists of the evacuated glass tube collectors, two 2500 gallon tanks, pumps, computerized controller, a large solar optimized ...

The first commercial application of solar heating and cooling is being installed at the Timonium Elementary School in Maryland. Water heated by the sun provides energy for a 50-ton absorption-type air conditioning unit. It is believed that solar application is restricted to commercial use, but the author believes ...

This paper describes the Rankine cooling system and presents design point and off-design performance presently obtained in prototype units. Some solar systems use more electrical power than a non-solar installation and the Rankine cooling system with electrical generation capability can improve the overall system ...

The state-of-the-art of solar cooling is evaluated to determine the near term performance potentials and life-cycle costs of the most promising approaches. The heat actuated absorption cycle, Rankine cycle, and desiccant dehumidification cycle are examined. The principles of operation are described, performance coefficients are ...

A study is made of an absorption solar refrigerator based on a liquid. Particular attention is given to a model solar refrigerator having periodic operation and using ammonia as a cooling agent and water as an absorber. It is found that the apparatus' thermal inertia is a function of heat capacity, ...

Air conditioning systems have a major impact on energy demand. With fossil fuels fast depleting, it is imperative to look for cooling systems that require less high-grade energy for their operation. In this context, absorption cooling systems have become increasingly popular in recent years from the viewpoints of energy and ...

The performance of a solar powered absorption air-conditioning system using real and synthetic weather data is obtained for the entire cooling season. Both air-cooled and water-cooled systems are considered. The synthetic data is derived using weather history and represented by a joint ...

During the period 1 February 1976 through 31 March 1977, a residential solar heating and cooling system was designed, installed, and operated in CSU Solar House III. The system consists of 512 square feet of Owens-Illinois (O-I) Evacuated Tube Solar Collector, a 2.2-ton lithium bromide ...

The feasibility of using a solar absorption refrigeration cycle for space cooling and heating is analyzed. Working mixtures considered are NH/sub 3/-H/sub 2/O and H/sub 2/O-LiBr. The properties of the cycle used for cooling and as a heat pump system are discussed with the aid of flow diagrams. Results of a ...

A solar-assisted cooling system is very attractive because the available solar energy and the required cooling load are generally in phase. Of all the solar-assisted cooling methods developed to date, the absorption cooling system ...

A methodology is developed for the application of thermodynamic equations of state of fluids and fluid mixtures in evaluating working fluid combinations of absorption cooling cycles. Thermodynamic phase equilibrium formulation of this methodology is presented. In the application of this approach for the comparative study and choice of working fluids, the ...

... Title : SOLAR ABSORPTANCE AND TOTAL HEMISPHERICAL EMITTANCE OF SURFACES FOR SOLAR ENERGY COLLECTION. ...

Work is reported on each of the following areas: (1) measurement of circumsolar radiation, (2) small particle heat exchanger, (3) passive systems analysis and design, (4) nitinol engine development, (5) radiative and passive cooling, (6) ammonia-water absorption air conditioners and heat pumps, (7) appropriate energy technology, (8) ...

The invention is directed to a solar heat control device for either transferring solar heat to, or diverting it away from a heat transfer fluid depending on the time of year. The solar heat control device is adapted to be used in a novel heating, cooling, lighting and ventilating system which is operable in one of ...

This annual report presents work performed during calendar year 1993 by the Florida Solar Energy Center under contract to the US Department of Energy. Two distinctively different solar powered indoor climate control systems were analyzed: the open cycle liquid desiccant dehumidifier, and an improved efficiency absorption system which ...

Solar cooling for commercial applications using open cycle absorption refrigeration systems was investigated. If an open cycle absorption can be operated as a chemical heat pump for winter heating operation, the system offers year round operation that makes the system economically viable for many regions of the US. ...

The results of performance evaluations for nine solar cooling systems are presented, and reasons fow low or high net energy balances are discussed. Six of the nine systems are noted to have performed unfavorably compared to standard cooling systems due to thermal storage losses, excessive system electrical demands, inappropriate ...

During the period 1 October 1978 through 31 March 1979, the Chamberlain liquid-heating state-of-the-art flat-plate solar collector was evaluated for a complete heating season. The data acquisition and analysis was a continuation of the cooling season performance evaluation conducted during the summer and fall of 1978. Significant and important results of ...

We investigated the technical feasibility of solar cooling for peak demand reduction using a building energy simulation program (DOE2.1D). The system studied was an absorption cooling system with a thermal coefficient of performance of 0.8 driven by a solar collector system with an efficiency ...

The final results of the design and operation of a computer controlled solar heated and cooled 40,000 square foot manufacturing building, sales office, and computer control center/display room are summarized. The system description, test data, major problems and resolutions, performance, operation and maintenance manual, equipment manufacturers' ...

The Terraset School at Reston, Va. is described. The three energy-saving features of the building are: the earth cover, the heat recovery system, and the solar heating and cooling system. The solar heating and cooling system is described in some detail. This system employs evacuated tube collectors to supply water ...

A description is given of a 35 kW air cooled solar absorption cooling package installed on the Sigler-Faigen warehouse and parts center located in Phoenix, Arizona. The thermal energy required to run the absorption unit is supplied by 88.8 m/sup 2/ of linearly curved Fresnel lens ...

A detailed dynamic model of a solar air conditioning system is reported. The model, including the solar collector and cooling tower, is described in terms of design parameters. Ambient wet and dry bulb temperatures and solar radiation are the required inputs. System temperatures, energy flows and coefficient of ...

Techniques for converting solar energy into mechanical energy for use in small-to-large scale refrigeration systems are examined. The systems considered included a Rankine cycle, 106 kW system coupled to 58 sq m of flat plate collectors, photovoltaic panels with storage in the form of ice, a positive ventilation and ice bank cooling system, ammonia-water ...

The Community Recreation Center is a 27,000 sq ft multiuse facility with a solar driven heating and cooling system. The system was 7085 sq. ft. of roof-mounted fixed-flat plate collectors. Cooling is achieved by two 25-ton lithium-bromide ARKLA absorption...

This active hydronic system for solar heating, absorption cooling, and water heating uses 17,532 square feet of concentrating collectors. The storage capacity is 88,800 gallons. The system schematics and operation and maintenance instructions are included.