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Development of a circulating system for a jet refrigeration cycle |
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| Authors: | Passakorn Srisastra Satha Aphornratana Thanarath Sriveerakul |
| Affiliation: | aMechanical Engineering Program, Sirindhorn International Institute of Technology, Thammasat University, P.O. Box 22, Thammasat Rangsit Post Office, Pathumthani 12121, Thailand;bDepartment of Mechanical Engineering, Ubon Ratchathani University, Ubon Ratchathani 34190, Thailand |
| Abstract: | This paper proposed a workless-generator-feeding (WGF) system for a jet refrigeration cycle, using R141b. This feeding system does not require any mechanical power. The liquid refrigerant from the condenser was fed to the vapour-generator by means of the generator pressure and gravitational force. The system was tested and compared with a conventional system using a mechanical pump. It was found that this system was workable. The heat input to the generator was slightly higher than that for a system using a mechanical pump. The jet refrigeration cycle employing this new feeding system provided a slightly lower coefficient of performance (COP) compared to a system using a mechanical pump. However, this new system did not require any mechanical energy. Therefore, the jet refrigeration system employing this WGF system is truly a heat-power refrigeration cycle. |
| Keywords: | Refrigeration system Ejector system R-141b Design Supply Ejector Pump Generator Experiment Coefficent of performance (COP)Mots clé s: Systè me frigorifique Systè me à é jecteur R-141b Conception Alimentation É jecteur Pompe Gé né rateur Expé rimentation Coefficient de performance (COP) |
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