Energy saving in refrigeration systems through the application of liquid pressure amplification

International Conference on Applications and Design in Mechanical Engineering 2012 (ICADME 2012) organized by School of Mechatronic Engineering, Universiti Malaysia Perlis (UniMAP), 27th - 28th Februari 2012 at Bayview Beach Resort, Penang, Malaysia.

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Main Authors: Hadawey, A. F., Tassou, S. A., Ge, Y. T.
Other Authors: abas@caledonain.edu.om
Format: Working Paper
Language:English
Published: Universiti Malaysia Perlis (UniMAP) 2012
Subjects:
Online Access:http://dspace.unimap.edu.my/xmlui/handle/123456789/20388
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spelling my.unimap-203882012-07-18T03:06:05Z Energy saving in refrigeration systems through the application of liquid pressure amplification Hadawey, A. F. Tassou, S. A. Ge, Y. T. abas@caledonain.edu.om Liquid Pressure Amplification (LPA) Liquid injection Energy savings Dairy refrigeration system International Conference on Applications and Design in Mechanical Engineering 2012 (ICADME 2012) organized by School of Mechatronic Engineering, Universiti Malaysia Perlis (UniMAP), 27th - 28th Februari 2012 at Bayview Beach Resort, Penang, Malaysia. The LPA technology utilises a refrigerant pump in the liquid line after the receiver to maintain a high enough pressure differential across the expansion valve to compensate for the pressure drop in long liquid lines. This allows the condenser pressure to be varied in line with variations in the ambient temperature leading to lower discharge pressures during periods of low ambient temperatures and lower compressor power consumption. Operation at lower pressures also increases the refrigeration capacity of the system enabling it to cope with increased load demands. LPA can be applied to new refrigeration plant and as a retrofit to existing plant. LPA also enables the use of liquid injection into the discharge line of the compressor which de-superheats the refrigerant vapour before entering the condenser. This increases the capacity of the condenser which in turn enables operation of the plant at lower condensing temperatures. This paper considers the application of a LPA and liquid injection to a cold store refrigeration system. The analysis has shown that more than 10% energy saving over and above the savings that can be achieved with floating head pressure, can be achieved by adopting the use of LPA in conjunction with liquid injection. 2012-07-18T03:06:05Z 2012-07-18T03:06:05Z 2012-02-27 Working Paper http://hdl.handle.net/123456789/20388 en Proceedings of the International Conference on Applications and Design in Mechanical Engineering 2012 (ICADME 2012) Universiti Malaysia Perlis (UniMAP) Pusat Pengajian Kejuruteraan Mekatronik
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Liquid Pressure Amplification (LPA)
Liquid injection
Energy savings
Dairy refrigeration system
spellingShingle Liquid Pressure Amplification (LPA)
Liquid injection
Energy savings
Dairy refrigeration system
Hadawey, A. F.
Tassou, S. A.
Ge, Y. T.
Energy saving in refrigeration systems through the application of liquid pressure amplification
description International Conference on Applications and Design in Mechanical Engineering 2012 (ICADME 2012) organized by School of Mechatronic Engineering, Universiti Malaysia Perlis (UniMAP), 27th - 28th Februari 2012 at Bayview Beach Resort, Penang, Malaysia.
author2 abas@caledonain.edu.om
author_facet abas@caledonain.edu.om
Hadawey, A. F.
Tassou, S. A.
Ge, Y. T.
format Working Paper
author Hadawey, A. F.
Tassou, S. A.
Ge, Y. T.
author_sort Hadawey, A. F.
title Energy saving in refrigeration systems through the application of liquid pressure amplification
title_short Energy saving in refrigeration systems through the application of liquid pressure amplification
title_full Energy saving in refrigeration systems through the application of liquid pressure amplification
title_fullStr Energy saving in refrigeration systems through the application of liquid pressure amplification
title_full_unstemmed Energy saving in refrigeration systems through the application of liquid pressure amplification
title_sort energy saving in refrigeration systems through the application of liquid pressure amplification
publisher Universiti Malaysia Perlis (UniMAP)
publishDate 2012
url http://dspace.unimap.edu.my/xmlui/handle/123456789/20388
_version_ 1643793070607564800
score 13.222552