Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 7 of 7 for “"Scroll compressor"”.
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Conversion of a scroll compressor to an expander for organic Rankine cycle: modeling and analysis
Conversion of a scroll compressor to an expander for organic Rankine Cycle: modeling and analysis
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Theoretical and Experimental Analysis of Liquid Flooded Compression in Scroll Compressors
Adding liquid to the working fluid in scroll compressors can allow for a working process that approaches isothermal compression. When liquid flooding and regeneration is applied to refrigeration and heat pump systems, simple cycle modeling predicts that for systems that operate at very large …
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Testing and modeling of compressors for low-lift cooling applications
In this thesis, an inverter-driven variable speed scroll compressor is tested on a de-superheater test stand to determine its performance in areas of low-lift and low compressor speed. The goal is to adapt this test stand so that it could be used to test a reciprocating compressor in this region. A …
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Flow modelling of scroll compressors and expanders
The use of scroll compressors in refrigeration systems is becoming increasing popular. However the development and use of a scroll machine as an expander to replace a throttle valve has never been reported. This thesis describes the work carried out to develop a two phase scroll expander for use in …
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Flow and separation of the oil from compressor discharge to external separator
Oil is essential for most of the refrigerant compressors, but oil circulating in the refrigeration or air conditioning systems has a side effect on the heat transfer and total efficiency. Oil separator is an important component to reduce the amount of oil circulating in the system and to keep the …
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Experimental investigation of mist flow generated by reed valves in compressor discharge
… discharge of air conditioning and refrigeration compressors. It was identified that in a vast majority of compressors the discharge port is the gateway for the oil to leave the compressor and get carried over to the other components of the system. Between the discharge port and the discharge …
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High efficiency air delivery system for solid oxide fuel cell power generation
… balance of plant (BOP) system utilized low speed scroll-type rotating compressors and brazed plate and frame heat exchangers for efficient preheating. The scroll compressors were modeled in GT-Suite and the remaining air BOP system was modeled with thermodynamic and heat transfer equations. Then …