TECHNICAL PAPERS: Gas Turbines: Aircraft Engine

Dr. Max Bentele—Pioneer of the Jet Age

[+] Author and Article Information
Cyrus B. Meher-Homji

Bechtel Corporation, 3000 Post Oak Boulevard, Houston, TX 77056-6503

Erik Prisell

Defense Materiel Administration (FMV), Sweden

J. Eng. Gas Turbines Power 127(2), 231-239 (Apr 15, 2005) (9 pages) doi:10.1115/1.1807412 History: Received October 01, 2002; Revised March 01, 2003; Online April 15, 2005
Copyright © 2005 by ASME
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Frequency-speed diagram developed by Dr. Bentele for 60/40 admission turbocharger (1942)
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Danger level of excitation for different orders (60/40 admission turbine)
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Cracked turbocharger blade
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Folded turbine blade developed by Dr. Bentele. (Bentele, 1). The folding process is shown here. Two reinforcement strips increased the blade strength. The inside strip also provided proper distribution of cooling air. Blades would be pinned to the disk with an axial pin.
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Layout of the HeS 011 engine
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Compressor section of the HeS 011
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HeS 011 compressor map (Bentele, 1)
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Photo of the HeS 011 two-stage air-cooled turbine section
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“Bentele diagram” showing excitation and natural frequencies (Hirth-Motoren Report, January 1944 9)
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Ingenious method of developing air-cooled turbine blade starting with a circular plate 25 mm diameter (Hirth Motoren GmbH report, April 1944 10)
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Focke Wulf TA-183 with HeS 011 engine
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The Me-262 powered by two Junker Jumo 004B turbojets. Dr. Bentele was instrumental in resolving a major operational blade vibration problem with this engine.
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Complex blade root design for the BMW 003 engine that resulted in fatigue cracks and failures
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Photograph of three jet engine pioneers taken in 1987. Left to right Sir Frank Whittle, Dr. Hans von Ohain, and Dr. Max Bentele.




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