IGTC-61 A CONSIDERATION CONCERNING STALL AND SURGE LIMITATIONS WITHIN CENTRIFUGAL COMPRESSORS-PART II(Session B-6 Aerodynamics IV (Radial Flow))

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概要

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• The relative velocity reduction between the inlet and throat of the inducer, and between the inlet and exit of the impeller were examined with respect to the inducer throat Mach number at the critical condition of surge within centrifugal compressors. A one-dimensional-flow analysis within the impeller was applied to the experimental data on four types of impellers obtained in a "diffuserless" test rig. The analysis shows the relative velocity reduction between the inlet and exit of the impeller is a predominant parameter in determining "impeller surge", whereas the relative velocity reduction between the inlet and exit of the impeller and the inducer throat Mach number are the governing parameters in determining "inducer surge". The relative velocity reduction between the inlet and throat of the inducer is constant in "inducer surge" region for each impeller.

• 公益社団法人日本ガスタービン学会の論文

著者

• Itoh T.

  Engine & Powertrain Research Laboratory, Central Engineering Laboratories, Nissan Motor Co., Ltd.

• Kosuge H.

  Engine Research Laboratory Central Engineering Laboratories Nissan Motor Co. Ltd.

• Ejiri E.

  Engine Research Laboratory, Central Engineering Laboratories, Nissan Motor Co., Ltd.

• Ejiri E.

  Engine Research Laboratory Central Engineering Laboratories Nissan Motor Co. Ltd.

関連論文

• IGTC-5 A Consideration of Blade Loading Criteria for Radial Inflow Turbines(Session A-2 AERODYNAMICS II (Radial Flow))
• IGTC-61 A CONSIDERATION CONCERNING STALL AND SURGE LIMITATIONS WITHIN CENTRIFUGAL COMPRESSORS-PART II
• IGTC-61 A CONSIDERATION CONCERNING STALL AND SURGE LIMITATIONS WITHIN CENTRIFUGAL COMPRESSORS-PART II(Session B-6 Aerodynamics IV (Radial Flow))

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