refrigerators Articles

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Thermodynamic analysis of a hybrid gas turbine/thermoacoustic heat pump/refrigeration engine

by Inderscience Publishers  (Nov. 4, 2014)

Possible performance enhancement of small gas turbine power plants through the application of thermoacoustic systems is examined. The thermoacoustic subsystem is powered only by the waste heat of the gas turbine. Two different gas turbine configurations are considered: a Thermoacoustic refrigerator assisted gas turbine (TRG) and a Combined ...

Exergy analysis of a vapour compression–absorption cascaded refrigeration system using modified Gouy–Stodola equation

by Inderscience Publishers  (Oct. 16, 2014)

In the present study, the performance of vapour compression-absorption cascaded refrigeration system (VCACRS) is studied with modified Gouy-Stodola equation and the results are compared with the classical approach of exergy evaluation. The quantitative difference in two approaches is presented which necessitates the need to employ modified ...

Andover, Vapor Extraction and Refrigerated Condensation Case study

by In-Situ Oxidative Technologies, Inc (ISOTEC) - Soil & Groundwater Remediation  (May 13, 2014)

Vapor Extraction and Refrigerated Condensation was used as a primary source removal technology to remediate high concentrations of recalcitrant chlorinated solvent compounds at the WDE Site in Minnesota. The use of Refrigerated Condensation has achieved high mass removal rates and will reduce the lifecycle costs and time of remediation. History ...

Refrigerator standards and their impact on United States society

by Inderscience Publishers  (Apr. 28, 2014)

This paper addresses criticisms of US Federal appliance efficiency standards and whether or how the imposition of efficiency standards on household refrigerators and freezers in the US affects prices, supply, and various other attributes. The study is based on historical data about changes in standards for household refrigerators along with data ...

Thermodynamic analysis of ejector–absorption refrigeration cycle using the second thermodynamic law

by Inderscience Publishers  (Apr. 9, 2014)

The exergy analysis of an ejector–absorption refrigeration system (EARS) for cooling applications using LiBr–H2O is presented in this paper. A computer simulation programme is developed for the cycle and used to determine the coefficient of performance and the second law efficiency of the EARS. Also, the exergy destruction and heat rate in each ...

Exergy analysis of a syngas fuelled cogeneration cycle for combined production of power and refrigeration

by Inderscience Publishers  (Feb. 28, 2014)

This communication presents a biomass fuelled cogeneration cycle for the combined production of power and refrigeration. The system is an integration of combined gas–steam cycle and absorption refrigeration cycle. A thermodynamic analysis through energy and exergy is employed, to investigate the effects of cycle pressure ratio, gas turbine inlet ...

Calculating the cost savings for refrigerant gas leak detection

by a1-cbiss  (Jan. 31, 2013)

The real benefits of refrigerant gas leak detection Following on from the last article, we feel that it’s natural to then discuss some of the practical reasons (cost savings) that will encourage the industry to take action and reduce their F-Gas emissions. Who requires refrigerant leak detection under the F-Gas proposals? There are a ...

A novel hybrid GAX–ejector absorption refrigeration cycle with an air–cooled absorber

by Inderscience Publishers  (Dec. 9, 2013)

A novel hybrid generator–absorber heat exchange (GAX)–ejector absorption refrigeration (hybrid GAX–E) cycle, with ammonia–water as working fluid, is proposed and analysed in detail. Thermodynamic models are developed for the hybrid GAX–E, hybrid GAX, simple GAX and single effect ammonia-water absorption refrigeration cycles. A comparison among the ...

Exergy analysis of vortex tube expansion vapour compression refrigeration system

by Inderscience Publishers  (Dec. 9, 2013)

Performance comparisons of two vapour compression refrigeration cycles (CYC1 and CYC2) based on the exergetic analysis with three natural refrigerants: ammonia, propane and isobutane are presented using vortex tube as an expansion device. Effects of various operating and design parameters on the performance improvement are presented. Results are ...

Refrigerator condenser (shell and tube heat exchanger) cleaning case study

by Mibo International Corp.  (Nov. 22, 2013)

In today's industrial environment of unceasingly consummates and improvement of equipment manufacturing technologies, heat-exchange and water circulation equipments become popular in the manufacture industry. The equipments can run efficiently at rated power if their systems have clean and unimpeded water channel. Once the water running equipments ...

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