Effect of Steady-state Pressure Distortion on Inlet Flow to a High-bypass-ratio Turbofan Engine

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Total Pages : 58 pages
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Book Synopsis Effect of Steady-state Pressure Distortion on Inlet Flow to a High-bypass-ratio Turbofan Engine by : Ronald H. Soeder

Download or read book Effect of Steady-state Pressure Distortion on Inlet Flow to a High-bypass-ratio Turbofan Engine written by Ronald H. Soeder and published by . This book was released on 1982 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: Experiments were conducted to determine the effects of steady-state circumferential-pressure distortion on inlet flow and internal engine performance of a high-bypass-ratio turbofan engine. To measure these effects, flow-angle, static-pressure, and total-pressure instrumentation was placed between the rotatable distortion-generator assembly and the engine inlet. In addition, both static-pressure and total-pressure were recorded at the fan exit and compressor inlet and exit. Three circumferential screens were separately mounted on the rotatable assembly. For all configurations data were recorded at each of twelve 30 deg increments of assembly rotation. Experiments were conducted with fan speeds (corrected to station 2 temperature) of 80 or 90 percent of rated condition (7005 rpm) and Reynolds number indices of 0.2 or 0.5. Yaw angle increased between the distortion-generating assembly and the engine inlet. A change in Reynolds number index (RNI) has only a slight effect and a change in speed had no effect on yaw angle distribution. The flow angle was largest in the hub region of the engine inlet.

Effect of Combined Pressure and Temperature Distortion Orientation on High-bypass-ratio Turbofan Engine Stability

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Total Pages : 40 pages
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Book Synopsis Effect of Combined Pressure and Temperature Distortion Orientation on High-bypass-ratio Turbofan Engine Stability by :

Download or read book Effect of Combined Pressure and Temperature Distortion Orientation on High-bypass-ratio Turbofan Engine Stability written by and published by . This book was released on 1984 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Effect of Steady-State Pressure Distortion on Inlet Flow to a High-Bypass-Ratio Turbofan Engine

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Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781725582958
Total Pages : 36 pages
Book Rating : 4.5/5 (829 download)

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Book Synopsis Effect of Steady-State Pressure Distortion on Inlet Flow to a High-Bypass-Ratio Turbofan Engine by : National Aeronautics and Space Administration (NASA)

Download or read book Effect of Steady-State Pressure Distortion on Inlet Flow to a High-Bypass-Ratio Turbofan Engine written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-08-14 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: Static pressure and total pressure distributions were measured in the inlet duct upstream of the engine inlet and within the fan and compressor of a YTF34 turbofan engine. In addition, the free stream flow angle was measured between the distortion generator and the engine inlet. Distortions were generated using three screen configurations with extents of 90 deg or 180 deg. The screens were mounted on a rotatable screen assembly. Reynolds number index upstream of the distortion device was maintained at 0.5 or 0.2, and engine fan speed corrected to station 2 temperature was maintained at 80 or 90 percent of rated condition (7005 rpm). Flow angle was nearly constant near the distortion device and increased as flow approached the engine inlet. The largest flow angle occurred in the hub region of the engine inlet. Static pressure distortion along the inlet duct increased exponentially as the flow approached the engine. Both static pressure and total pressure distortions were attenuated between engine inlet and compressor exit. Soeder, R. H. and Bobula, G. A. Glenn Research Center NASA-TM-82964, E-1383, NAS 1.15:82964, AVRADCOM-TR-81-C-27 RTOP 505-32-6A...

Scientific and Technical Aerospace Reports

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ISBN 13 :
Total Pages : 892 pages
Book Rating : 4.:/5 (31 download)

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Engine Response to Distorted Inflow Conditions

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ISBN 13 :
Total Pages : 320 pages
Book Rating : 4.:/5 (3 download)

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Handbook of Turbomachinery

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Publisher : CRC Press
ISBN 13 : 0824748476
Total Pages : 829 pages
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Book Synopsis Handbook of Turbomachinery by : Earl Logan, Jr.

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AIAA/SAE/ASME/ASEE 27th Joint Propulsion Conference: 91-1833 - 91-1898

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ISBN 13 :
Total Pages : 480 pages
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Monthly Catalogue, United States Public Documents

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Total Pages : 1426 pages
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Monthly Catalog of United States Government Publications

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Book Synopsis Monthly Catalog of United States Government Publications by : United States. Superintendent of Documents

Download or read book Monthly Catalog of United States Government Publications written by United States. Superintendent of Documents and published by . This book was released on 1985 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index

2023 Asia-Pacific International Symposium on Aerospace Technology (APISAT 2023) Proceedings

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Publisher : Springer Nature
ISBN 13 : 981974010X
Total Pages : 1991 pages
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NASA SP.

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ISBN 13 :
Total Pages : 544 pages
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Download or read book NASA SP. written by and published by . This book was released on 1986 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Government Reports Announcements & Index

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ISBN 13 :
Total Pages : 704 pages
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Aeronautical Engineering

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Total Pages : 542 pages
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Download or read book Aeronautical Engineering written by and published by . This book was released on 1986 with total page 542 pages. Available in PDF, EPUB and Kindle. Book excerpt: A selection of annotated references to unclassified reports and journal articles that were introduced into the NASA scientific and technical information system and announced in Scientific and technical aerospace reports (STAR) and International aerospace abstracts (IAA)

Government Reports Annual Index

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Total Pages : 1236 pages
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Download or read book Government Reports Annual Index written by and published by . This book was released on 1985 with total page 1236 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Research and Technology Objectives and Plans Summary

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ISBN 13 :
Total Pages : 244 pages
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AIAA/ASME/SAE/ASEE 24th Joint Propulsion Conference

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ISBN 13 :
Total Pages : 426 pages
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NASA Lewis Propulsion Systems Laboratory Customer Guide Manual

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ISBN 13 :
Total Pages : 52 pages
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Download or read book NASA Lewis Propulsion Systems Laboratory Customer Guide Manual written by and published by . This book was released on 1994 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: