IIR document
Design of experimental bench and internal pressure measurement of a scroll compressor with refrigerant injection.
Author(s) : WANG B. L., LI X. T., SHI W. X., et al.
Type of article: Article, IJR article
Summary
Experiments on the inner compression process of a scroll compressor with refrigerant injection can reveal the essence of refrigerant injection. The difficulty of the experiment is the design of location of measuring ports, measuring system of dynamic pressure and design of the injection system. Focusing on the dynamic pressure measurement of inner compression process during refrigerant injection, an integrated bench design method for refrigerant injection research in scroll compressor is presented in this paper. The location design of injection ports and measuring ports, frequency spectrum analysis of pressure signal, selection of the sensor type and configuration, and design of the pressure-leading system are expressed, respectively. Finally, a test bench is set up. Based on it, several elementary experiments were carried out. The results show that: this design method solves most problems in the experimental research of scroll compressor with refrigerant injection and works reliably; the refrigerant injection effects the majority of the inner compression process and should not be considered as a transient process; gas injection can increase the system performance greatly and there is an optimal injection pressure for a certain scroll compressor.
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Details
- Original title: Design of experimental bench and internal pressure measurement of a scroll compressor with refrigerant injection.
- Record ID : 2006-2878
- Languages: English
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 30 - n. 1
- Publication date: 2007/01
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