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Author : Garl L. Gentry
Publisher :
ISBN 13 :
Total Pages : 76 pages
Book Rating : 4.:/5 (31 download)
Download or read book The Langley 14- by 22-foot Subsonic Tunnel written by Garl L. Gentry and published by . This book was released on 1990 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : P. Frank Quinto
Publisher :
ISBN 13 :
Total Pages : 68 pages
Book Rating : 4.:/5 (317 download)
Download or read book Langley 14- by 22-foot Subsonic Tunnel Test Engineer's Data Acquisition and Reduction Manual written by P. Frank Quinto and published by . This book was released on 1994 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hiroaki Nishikawa
Publisher :
ISBN 13 :
Total Pages : 77 pages
Book Rating : 4.:/5 (92 download)
Download or read book Data reduction functions for the Langley 14- by 22-foot subsonic tunnel written by Hiroaki Nishikawa and published by . This book was released on 2014 with total page 77 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781722611507
Total Pages : 64 pages
Book Rating : 4.6/5 (115 download)
Download or read book Langley 14- By 22-Foot Subsonic Tunnel Test Engineer's Data Acquisition and Reduction Manual written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-08 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Langley 14- by 22-Foot Subsonic Tunnel is used to test a large variety of aircraft and nonaircraft models. To support these investigations, a data acquisition system has been developed that has both static and dynamic capabilities. The static data acquisition and reduction system is described; the hardware and software of this system are explained. The theory and equations used to reduce the data obtained in the wind tunnel are presented; the computer code is not included. Quinto, P. Frank and Orie, Nettie M. Langley Research Center...
Author :
Publisher :
ISBN 13 :
Total Pages : 112 pages
Book Rating : 4.:/5 (317 download)
Download or read book User's Manual for the Langley Research Center 14- by 22- Foot Subsonic Tunnel Static Data Acquisition System written by and published by . This book was released on 1993 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781721596263
Total Pages : 36 pages
Book Rating : 4.5/5 (962 download)
Download or read book Characterization of the Test Section Walls at the 14- By 22-Foot Subsonic Tunnel written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-20 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: The test section walls of the NASA Langley Research Center 14- by 22-Foot Subsonic Tunnel are known to move under thermal and pressure loads. Videogrammetry was used to measure wall motion during the summer of 2002. In addition, a laser distancemeter was used to measure the relative distance between the test section walls at a single point. Distancemeter and videogrammetry results were consistent. Data were analyzed as a function of temperature and pressure to determine their effects on wall motion. Data were collected between 50 and 100 F, 0 and 0.315 Mach, and dynamic pressures of 0 and 120 psf. The overall motion of each wall was found to be less than 0.25 in. and less than facility personnel anticipated. The results show how motion depends on the temperature and pressure inside the test section as well is the position of the boundary layer vane. The repeatability of the measurements was +/-0.06 in. This report describes the methods used to record the motion of the test section walls and the results of the data analysis. Future facility plans include the development of a suitable wall restraint system and the determination of the effects of the wall motion on tunnel calibration. Lunsford, Charles B. and Graves, Sharon S. Langley Research Center NASA/TM-2003-212444, L-18315
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781719506571
Total Pages : 76 pages
Book Rating : 4.5/5 (65 download)
Download or read book Data Reduction Functions for the Langley 14- By 22-Foot Subsonic Tunnel written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-05-23 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Langley 14- by 22-Foot Subsonic Tunnel's data reduction software utilizes six major functions to compute the acquired data. These functions calculate engineering units, tunnel parameters, flowmeters, jet exhaust measurements, balance loads/model attitudes, and model /wall pressures. The input (required) variables, the output (computed) variables, and the equations and/or subfunction(s) associated with each major function are discussed. Boney, Andy D. Langley Research Center DATA REDUCTION; SUBSONIC WIND TUNNELS; FLOWMETERS; JET EXHAUST; COMPUTER PROGRAMS; WALL PRESSURE; LOADS (FORCES)
Author : James Thomas Crippen
Publisher :
ISBN 13 :
Total Pages : 230 pages
Book Rating : 4.:/5 (773 download)
Download or read book Acoustic Characterization of the NASA Langley 14 X 22 Ft Subsonic Wind Tunnel written by James Thomas Crippen and published by . This book was released on 2011 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781720560982
Total Pages : 66 pages
Book Rating : 4.5/5 (69 download)
Download or read book Free-Stream Turbulence Intensity in the Langley 14- By 22-Foot Subsonic Tunnel written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-05-31 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: An investigation was conducted using hot-wire anemometry to determine the turbulence intensity levels in the test section of the Langley 14- by 22-Foot Subsonic Tunnel in the closed or walls-down configuration. This study was one component of the three-dimensional High-Lift Flow Physics experiment designed to provide code validation data. Turbulence intensities were measured during two stages of the study. In the first stage, the free-stream turbulence levels were measured before and after a change was made to the floor suction surface of the wind tunnel s boundary layer removal system. The results indicated that the new suction surface at the entrance to the test section had little impact on the turbulence intensities. The second stage was an overall flow quality survey of the empty tunnel including measurements of the turbulence levels at several vertical and streamwise locations. Results indicated that the turbulence intensity is a function of tunnel dynamic pressure and the location in the test section. The general shape of the frequency spectrum is fairly consistent throughout the wind tunnel, changing mostly in amplitude (also slightly with frequency) with change in condition and location.Neuhart, Dan H. and McGinley, Catherine B.Langley Research CenterSUBSONIC WIND TUNNELS; TURBULENCE; FREE FLOW; PRESSURE EFFECTS; ANEMOMETERS; COMPUTATIONAL FLUID DYNAMICS
Author :
Publisher :
ISBN 13 :
Total Pages : 100 pages
Book Rating : 4.:/5 (317 download)
Download or read book A Review of Technologies Applicable to Low-speed Flight of High-performance Aircraft Investigated in the Langley 14- X 22-foot Subsonic Tunnel written by and published by . This book was released on 1988 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781723478475
Total Pages : 110 pages
Book Rating : 4.4/5 (784 download)
Download or read book User's Manual for the Langley Research Center 14- By 22- Foot Subsonic Tunnel Static Data Acquisition System written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-23 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Static Data Acquisition System (SDAS) components primarily responsible for acquiring data at the 14- by 22-Foot Subsonic Tunnel are the NEFF 620/600 Data Acquisition Unit (DAU) and the PSI 780B electronically scanned pressure (ESP) measurement system. A 9250 Modcomp computer is used to process the signal, to do all aerodynamic calculation, and to control the output of data. All of the tasks required to support a wind tunnel investigation are menu driven. The purpose of this report is to acquaint users of this system with the wide range of capabilities that exist with the available hardware and software and provide them with the proper procedures to follow when setting up or running individual tests. Orie, Nettie M. and Quinto, P. Frank Langley Research Center AERODYNAMICS; DATA ACQUISITION; SUBSONIC WIND TUNNELS; USER MANUALS (COMPUTER PROGRAMS); WIND TUNNEL TESTS; COMPUTER PROGRAMS; COMPUTERS; CONTROL SYSTEMS DESIGN; PRESSURE MEASUREMENT...
Author : Nasa Technical Reports Server (Ntrs)
Publisher : BiblioGov
ISBN 13 : 9781289158859
Total Pages : 68 pages
Book Rating : 4.1/5 (588 download)
Download or read book Free-Stream Turbulence Intensity in the Langley 14- by 22-Foot Subsonic Tunnel written by Nasa Technical Reports Server (Ntrs) and published by BiblioGov. This book was released on 2013-07 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: An investigation was conducted using hot-wire anemometry to determine the turbulence intensity levels in the test section of the Langley 14- by 22-Foot Subsonic Tunnel in the closed or walls-down configuration. This study was one component of the three-dimensional High-Lift Flow Physics experiment designed to provide code validation data. Turbulence intensities were measured during two stages of the study. In the first stage, the free-stream turbulence levels were measured before and after a change was made to the floor suction surface of the wind tunnel s boundary layer removal system. The results indicated that the new suction surface at the entrance to the test section had little impact on the turbulence intensities. The second stage was an overall flow quality survey of the empty tunnel including measurements of the turbulence levels at several vertical and streamwise locations. Results indicated that the turbulence intensity is a function of tunnel dynamic pressure and the location in the test section. The general shape of the frequency spectrum is fairly consistent throughout the wind tunnel, changing mostly in amplitude (also slightly with frequency) with change in condition and location.
Author : Michael A. Kegerise
Publisher :
ISBN 13 :
Total Pages : 195 pages
Book Rating : 4.:/5 (111 download)
Download or read book An Experimental Investigation of a Wing-fuselage Junction Model in the NASA Langley 14- by 22-foot Subsonic Tunnel written by Michael A. Kegerise and published by . This book was released on 2019 with total page 195 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 100 pages
Book Rating : 4.:/5 (31 download)
Download or read book A Review of Technologies Applicable to Low-speed Flight of High-performance Aircraft Investigated in the Langley 14- by 22-foot Subsonic Tunnel written by and published by . This book was released on 1988 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher : DIANE Publishing
ISBN 13 : 0788101919
Total Pages : 727 pages
Book Rating : 4.7/5 (881 download)
Download or read book Directory of Federal Laboratory and Technology Resources written by and published by DIANE Publishing. This book was released on 1994 with total page 727 pages. Available in PDF, EPUB and Kindle. Book excerpt: Describes the individual capabilities of each of 1,900 unique resources in the federal laboratory system, and provides the name and phone number of each contact. Includes government laboratories, research centers, testing facilities, and special technology information centers. Also includes a list of all federal laboratory technology transfer offices. Organized into 72 subject areas. Detailed indices.
Author :
Publisher :
ISBN 13 :
Total Pages : 892 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1994 with total page 892 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Technical Paper written by and published by . This book was released on 1991 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
