From last few decades, the compressor has been widely used in air conditioning and refrigeration industry. The compressor technology has become mature and commercialized due to continuous innovation and technology improvement. Currently, most of the low grade heat and waste heat recovery system has the...
The oxygen was vented one or more times to flush air from the system and to ensure the maximum possible dissolved oxygen concentration. At the end of the processing time, the heater was turned off, the system was cooled to below 100° C. (the flash point), and the residual gas was ...