Abstract
The mechanism from suction pipe to suction muffler will be called "suction system" hereinafter. The compressor suction system has following complicated flow motion. It is theoretically known that the compressor efficiency decreases 2-3% as temperature of a suction refrigerant gas increses 10°C; it has slight deviation depending upon compressor capability. And measuring exact physical quantity from experiment and getting exact solution from theoretical approach in small hermetic compressor have its limits. As results of above reasons, there was no way to confirm the suction system because suction pipe and suction muffler inlet gap and its positions have been designed without theoretical solution and experimental data. So, the purpose of this research is suggest the optimized suction path from refrigerant visualization of reciprocating compressor suction system, and to see the refrigerant gas flow motion in the shell.
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