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1 Zeszyty Naukowe. Cieplne Maszyny Przepływowe - Turbomachinery / Politechnika Łódzka

1 2005

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Low Consumption Refrigeration Centrifugal Compressors

Sukhomlinov I. Ya., Golovin M. V., Slavutsky D. L., Tagantsev O. M.

Zeszyty Naukowe. Cieplne Maszyny Przepływowe - Turbomachinery / Politechnika Łódzka

2005

nr 128, vol. 2

523-530

Based on a series of the computational, theoretical and experimental investigations the data on losses of high-frequency built-in electrical drive of a two-stage refrigeration centrifugal compressor on gas-dynamic bearings, with refrigerating capacity 32 kW have been obtained. The effectiveness of different methods of refrigeration of the drive has been determined; gas-dynamic characteristics of low-size stages with the impeller diameter 63 mm have been obtained; evaluation of the efficiency of a standard range of water-chilling machines with centrifugal compressor with refrigerating capacity from 20 to 60kW has been carried out.