A one kPa centrifugal cold compressor for the 1.8 K helium refrigeration system

被引：0
|
作者：
Saji, N [1 ]
Asakura, H [1 ]
Yoshinaga, S [1 ]
Itoh, K [1 ]
Nogaku, T [1 ]
Bézaguet, A [1 ]
Casas, J [1 ]
Lebrun, P [1 ]
Tavian, L [1 ]
机构：
[1] Ishikawajima Harima Heavy Ind Co Ltd, Gen Machinery Div, Koto Ku, Tokyo 135, Japan
来源：
INTERNATIONAL CRYOGENIC ENGINEERING CONFERENCE 1998 | 1998年
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中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
CERN placed an order for a cold compressor prototype (CCP) with IHI for the LHC project. The CCP is supported by the oil-free magnetic bearings, driven by an induction motor. The compressor has the characteristics of a high efficiency and wide operation range, thanks to the optimum design for the impeller and diffuser. The result of the performance tests at CERN showed that static heat inleaks could be controlled at approx. 7.3 W, and an adiabatic efficiency is 75 % at a nominal flow of Is g/s with suction temperature of 4.4 K and suction pressure of 1 kPa.
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页码：295 / 298
页数：4
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