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The application of gas ejector for road transport air conditioning system

The depletion of fossil fuel supply requires fuel and energy saving in energy utilization system. Therefore, these required the development of new and efficient technologies as to reduce fuel consumption especially in air conditioning of road vehicles. Currently, the air conditioning for road vehicl...

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Main Authors: Sumeru, Sumeru, Nasution, Henry, Ani, Farid Nasir
Format: Article
Published: American Institute of Physics 2012
Subjects:
TJ Mechanical engineering and machinery
Online Access:http://eprints.utm.my/id/eprint/47594/
http://dx.doi.org/10.1063/1.4704329
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spelling my.utm.475942019-03-05T02:07:25Z http://eprints.utm.my/id/eprint/47594/ The application of gas ejector for road transport air conditioning system Sumeru, Sumeru Nasution, Henry Ani, Farid Nasir TJ Mechanical engineering and machinery The depletion of fossil fuel supply requires fuel and energy saving in energy utilization system. Therefore, these required the development of new and efficient technologies as to reduce fuel consumption especially in air conditioning of road vehicles. Currently, the air conditioning for road vehicles uses vapor compression system. Although the vapor compression system has high COP, the compressor is driven by vehicle engines, which take additional fuel consumption when the air conditioning system is in operation. In this study, the waste heat of radiator drives the ejector refrigeration for air conditioning. Although the ejector refrigeration system has low COP, the use of heat driven air conditioning will reduce the fuel consumption as compared with conventional system. This is because the systems do not use the mechanical engine load. The analysis of this study is based on the ejector refrigeration system using natural refrigerant (isobutene). The evaporation temperature is 10°C, condensation temperature is 35°C, generator temperature is 90°C with ejector isentropic efficiency of 0.7, and the COP system is 0.25. The heat released by the radiator of typical small road vehicles is between 60 to 100 kW and if the generator absorbs 20% of the heat, the heat contained in the generator is 12 to 20 kW. When the ejector air conditioning system has a COP 0.25, it will generate cooling capacity between 3 to 5 kW, compared with the conventional air conditioning of similar vehicles, which is approximately 2 to 4.4 kW. American Institute of Physics 2012 Article PeerReviewed Sumeru, Sumeru and Nasution, Henry and Ani, Farid Nasir (2012) The application of gas ejector for road transport air conditioning system. AIP Conference Proceedings, 1440 . pp. 1133-1140. ISSN 0094-243X http://dx.doi.org/10.1063/1.4704329 DOI:10.1063/1.4704329
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
topic TJ Mechanical engineering and machinery
spellingShingle TJ Mechanical engineering and machinery
Sumeru, Sumeru
Nasution, Henry
Ani, Farid Nasir
The application of gas ejector for road transport air conditioning system
description The depletion of fossil fuel supply requires fuel and energy saving in energy utilization system. Therefore, these required the development of new and efficient technologies as to reduce fuel consumption especially in air conditioning of road vehicles. Currently, the air conditioning for road vehicles uses vapor compression system. Although the vapor compression system has high COP, the compressor is driven by vehicle engines, which take additional fuel consumption when the air conditioning system is in operation. In this study, the waste heat of radiator drives the ejector refrigeration for air conditioning. Although the ejector refrigeration system has low COP, the use of heat driven air conditioning will reduce the fuel consumption as compared with conventional system. This is because the systems do not use the mechanical engine load. The analysis of this study is based on the ejector refrigeration system using natural refrigerant (isobutene). The evaporation temperature is 10°C, condensation temperature is 35°C, generator temperature is 90°C with ejector isentropic efficiency of 0.7, and the COP system is 0.25. The heat released by the radiator of typical small road vehicles is between 60 to 100 kW and if the generator absorbs 20% of the heat, the heat contained in the generator is 12 to 20 kW. When the ejector air conditioning system has a COP 0.25, it will generate cooling capacity between 3 to 5 kW, compared with the conventional air conditioning of similar vehicles, which is approximately 2 to 4.4 kW.
format Article
author Sumeru, Sumeru
Nasution, Henry
Ani, Farid Nasir
author_facet Sumeru, Sumeru
Nasution, Henry
Ani, Farid Nasir
author_sort Sumeru, Sumeru
title The application of gas ejector for road transport air conditioning system
title_short The application of gas ejector for road transport air conditioning system
title_full The application of gas ejector for road transport air conditioning system
title_fullStr The application of gas ejector for road transport air conditioning system
title_full_unstemmed The application of gas ejector for road transport air conditioning system
title_sort application of gas ejector for road transport air conditioning system
publisher American Institute of Physics
publishDate 2012
url http://eprints.utm.my/id/eprint/47594/
http://dx.doi.org/10.1063/1.4704329
_version_ 1643652347543420928
score 13.250246

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