Microscale Radial-Flow Compressor Impeller Made of Silicon Nitride: Manufacturing and Performance-Reference-Cited by-同舟云学术

Microscale Radial-Flow Compressor Impeller Made of Silicon Nitride: Manufacturing and Performance

Published:2004-04-01 Issue:2 Volume:126 Page:358-365
ISSN:0742-4795
Container-title:Journal of Engineering for Gas Turbines and Power
language:en
Short-container-title:

Author:

Kang Sangkyun¹,Johnston James P.²,Arima Toshiyuki³,Matsunaga Minoru³,Tsuru Hideaki³,Printz Friedrich B.²

Affiliation:

1. Samsung Advanced Institute of Technology, MEMS Laboratory, SAIT P.O. Box 111, Suwon 440-600, Korea

2. Department of Mechanical Engineering, Stanford University, Stanford, CA 94305

3. Wako Research Center, Honda R&D Company, Ltd., Saitama, Japan

Abstract

A microscale, high-speed compressor impeller (12 mm diameter, 800,000 rpm) was tested for feasibility in regard to aerodynamic performance. The compressor was designed for application in a first-sized gas turbine generator. To survive high stresses at such high temperatures, the rotor was manufactured as a single turbine/compressor/shaft unit in silicon nitride, by the Mold SDM process. Performance testing was conducted in a cold-flow rig at reduced speed of 420,000 rpm. Results from a CFD code compared favorably to measured data at this speed. Extrapolation from test conditions to full design speed was accomplished by application of CFD applied at both speeds.

Publisher

ASME International

Subject

Mechanical Engineering,Energy Engineering and Power Technology,Aerospace Engineering,Fuel Technology,Nuclear Energy and Engineering

Link

http://asmedigitalcollection.asme.org/gasturbinespower/article-pdf/126/2/358/5721686/358_1.pdf

Reference10 articles.

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3. Isomura, K. et al., 2002, “Design of a Micromachined Gas Turbine With 3-Dimensional Impeller,” Proceedings, The 9th of International Symposium on Transport Phenomena and Dynamics of Rotating Machinery, Honolulu, HI.

4. Casey, M. V. , 1985, “The Effects of Reynolds Number on the Efficiency of Centrifugal Compressor Stages,” ASME J. Eng. Gas Turbines Power, 107, pp. 541–548.

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