Development of HFC-134a Compressor for Domestic Refrigerator
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منابع مشابه
Reliability Study of HFC134a Compressor for Refrigerator
More than one year has passed since refrigerant for refrigerator was changed from CFC12 to HFC134a. Long term reliability of refrigerator in HFC134a refrigerant system is mainly dependent on lubrication of moving parts of compressor and clogging of capillary tube. To maintain better practical reliability in components in compressor such as refrigeration lubricant,metallic materials and motor in...
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In order to find proper lubricants for HFC-134a compressor system, many polar compounds have been synthesized and evaluated. Among such compounds, polyalkylene glycol (PAG) derivatives and carboxylates (esters) have been identified as candidates for car air· conditioners and for refrigerators respectively.',.') However, it is dear that these amdidates have weaknesses: PAGs • demonstrate poor mi...
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Title of Document: INVESTIGATION OF HOUSEHOLD REFRIGERATOR WITH ALTERNATIVE LOW GLOBAL WARMING POTENTIAL REFRIGERANTS Daniel Thomas Leighton, Master of Science, 2011 Directed By: Professor Reinhard Radermacher, Mechanical Engineering Steady-state and transient thermodynamic models of the refrigeration system were created in order to predict the performance of household refrigerators using diffe...
متن کاملInfluence Of Lubricant Viscosity Of POES On The Performance Of Hermetic Reciprocating Compressors
HFC-134a is used as working fluid in refrigerators widely. However, how to improve the efficiency of compressor and refrigerator is major topic in the word. The purpose of this study is aimed at the performance evaluation of compressors with different viscosity of POEs oil. A hermetic reciprocating compressor using HFC-134a as refrigerant was adopted and the experimental investigation was carri...
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In accordance with worldwide consensus, the use of chlorofluorocarbons, which play an important role in damaging the ozone layer, should be completely abolished by the end of 1995. This provided the impetus for developing the three vane rotary compressor. Formerly CFC-12 was used as the refrigerant in automotive air conditioners, until HFC-134a was substituted for CFC-12. In response to the cha...
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تاریخ انتشار 2014