A Study Of Drag Force On Different Type Of Airfoil In A Subsonic Wind Tunnel

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A Study of Drag Force on Different Type of Airfoil in a Subsonic Wind Tunnel

Author : Muhamad Faruqi Zahari
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.:/5 (953 download)

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Book Synopsis A Study of Drag Force on Different Type of Airfoil in a Subsonic Wind Tunnel by : Muhamad Faruqi Zahari

Download or read book A Study of Drag Force on Different Type of Airfoil in a Subsonic Wind Tunnel written by Muhamad Faruqi Zahari and published by . This book was released on 2013 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: There had been a number of researches that investigated on drag force of airfoil in subsonic wind tunnel. This study was then conducted in order to identify drag force in subsonic wind tunnel using Computational Fluid Dynamics (CFD) software. Specifically, this research aimed to identify the drag force on ten different types NACA airfoil. NACA 0006, NACA 0009, NACA 0015, NACA 1408, NACA 1410, NACA 2408, NACA 2418, NACA 4424, NACA 6409 and NACA 6412 airfoil geometry profiles and its coordinates were generated from a NACA 4 Digits Series Generator and then designed by using ANSYS (Fluent) geometry and computed using ANSYS 14.0 software , these Computational Fluid Dynamic was used to simulate the external flow analysis on the airfoils and then the prediction of the drag force validate its simulation result with experimental result of drag force in subsonic wind tunnel. Nonetheless, the boundary condition was operated at a nominal velocity 17 m/s during the coefficient measurements, a Reynolds's number of about 1,163,798. The airfoil, with a one meter chord, was analyzed at zero degree angles of attack. Moreover, the result show NACA 4424 that have highest drag force and NACA 0006 have the lowest drag force at same boundary condition. Furthermore, the drag was generated was too small to make any significant change to the airfoil performance.

Summary of Low Speed Airfoil Data

Author : Michael S. Selig
Publisher : Soartech
ISBN 13 :
Total Pages : 320 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Summary of Low Speed Airfoil Data by : Michael S. Selig

Download or read book Summary of Low Speed Airfoil Data written by Michael S. Selig and published by Soartech. This book was released on 1995 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Theoretical and Experimental Investigation of the Effect of Tunnel Walls on the Forces on an Oscillating Airfoil in Two-dimensional Subsonic Compressible Flow

Download Theoretical and Experimental Investigation of the Effect of Tunnel Walls on the Forces on an Oscillating Airfoil in Two-dimensional Subsonic Compressible Flow PDF Online Free

Author : Harry L. Runyan
Publisher :
ISBN 13 :
Total Pages : 50 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Theoretical and Experimental Investigation of the Effect of Tunnel Walls on the Forces on an Oscillating Airfoil in Two-dimensional Subsonic Compressible Flow by : Harry L. Runyan

Download or read book Theoretical and Experimental Investigation of the Effect of Tunnel Walls on the Forces on an Oscillating Airfoil in Two-dimensional Subsonic Compressible Flow written by Harry L. Runyan and published by . This book was released on 1955 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper presents a theoretical and experimental investigation of the effect of wind-tunnel walls on the air forces on an oscillating wing in two-dimensional subsonic compressible flow. A method of solving an integral equation which relates the downwash on a wing to the unknown loading is given, and some comparisons are made between the theoretical results and the experimental results. A resonance condition, which was predicted by theory in a previous report (NACA Rep. 1150), is shown experimentally to exist. In addition, application of the analysis is made to a number of examples in order to illustrate the influence of walls due to variations in frequency of oscillation, Mach number, and ratio of tunnel height to wing semichord.

Low-Speed Wind Tunnel Testing

Author : Jewel B. Barlow
Publisher : John Wiley & Sons
ISBN 13 : 0471557749
Total Pages : 738 pages
Book Rating : 4.4/5 (715 download)

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Book Synopsis Low-Speed Wind Tunnel Testing by : Jewel B. Barlow

Download or read book Low-Speed Wind Tunnel Testing written by Jewel B. Barlow and published by John Wiley & Sons. This book was released on 1999-02-22 with total page 738 pages. Available in PDF, EPUB and Kindle. Book excerpt: A brand-new edition of the classic guide on low-speed wind tunnel testing While great advances in theoretical and computational methods have been made in recent years, low-speed wind tunnel testing remains essential for obtaining the full range of data needed to guide detailed design decisions for many practical engineering problems. This long-awaited Third Edition of William H. Rae, Jr.'s landmark reference brings together essential information on all aspects of low-speed wind tunnel design, analysis, testing, and instrumentation in one easy-to-use resource. Written by authors who are among the most respected wind tunnel engineers in the world, this edition has been updated to address current topics and applications, and includes coverage of digital electronics, new instrumentation, video and photographic methods, pressure-sensitive paint, and liquid crystal-based measurement methods. The book is organized for quick access to topics of interest, and examines basic test techniques and objectives of modeling and testing aircraft designs in low-speed wind tunnels, as well as applications to fluid motion analysis, automobiles, marine vessels, buildings, bridges, and other structures subject to wind loading. Supplemented with real-world examples throughout, Low-Speed Wind Tunnel Testing, Third Edition is an indispensable resource for aerospace engineering students and professionals, engineers and researchers in the automotive industries, wind tunnel designers, architects, and others who need to get the most from low-speed wind tunnel technology and experiments in their work.

Aerodynamics of a Lifting System in Extreme Ground Effect

Author : Kirill V. Rozhdestvensky
Publisher : Springer Science & Business Media
ISBN 13 : 3662042401
Total Pages : 358 pages
Book Rating : 4.6/5 (62 download)

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Book Synopsis Aerodynamics of a Lifting System in Extreme Ground Effect by : Kirill V. Rozhdestvensky

Download or read book Aerodynamics of a Lifting System in Extreme Ground Effect written by Kirill V. Rozhdestvensky and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is dedicated to the memory of a distinguished Russian engineer, Rostislav E. Alexeyev, who was the first in the world to develop the largest ground effect machine - Ekranoplan. One of Alexeyev's design concepts with the aerodynamic configuration of a jlying wing can be seen on the front page. The book presents a description of a mathematical model of flow past a lifting system, performing steady and unsteady motions in close proximity to the underlying solid surface (ground). This case is interesting for practical purposes because both the aerodynamic and the economic efficiency of the system near the ground are most pronounced. Use of the method of matched asymptotic expansions enables closed form solutions for the aerodynamic characteristics of the wings-in-ground effect. These can be used for design, identification, and processing of experimental data in the course of developing ground effect vehicles. The term extreme ground effect, widely used through out the book, is associated with very small relative ground clearances of the order of 10% or less. The theory of a lifting surface, moving in immediate proximity to the ground, represents one of the few limiting cases that can be treated analytically. The author would like to acknowledge that this work has been influenced by the ideas of Professor Sheila E. Widnall, who was the first to apply the matched asymptotics techniques to treat lifting flows with the ground effect. Saint Petersburg, Russia February 2000 Kirill V. Rozhdestvensky Contents 1. Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Studies of Various Factors Affecting Drag Due to Lift at Subsonic Speeds

Author : William P. Henderson
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Studies of Various Factors Affecting Drag Due to Lift at Subsonic Speeds by : William P. Henderson

Download or read book Studies of Various Factors Affecting Drag Due to Lift at Subsonic Speeds written by William P. Henderson and published by . This book was released on 1966 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Wind Tunnel Study of the Effects of Trailing Edge Modifications on the Lift-drag Ratio of a Circulation Controlled Airfoil

Author : Vayl Stanley Oxford (2LT, USAF.)
Publisher :
ISBN 13 :
Total Pages : 110 pages
Book Rating : 4.:/5 (132 download)

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Book Synopsis A Wind Tunnel Study of the Effects of Trailing Edge Modifications on the Lift-drag Ratio of a Circulation Controlled Airfoil by : Vayl Stanley Oxford (2LT, USAF.)

Download or read book A Wind Tunnel Study of the Effects of Trailing Edge Modifications on the Lift-drag Ratio of a Circulation Controlled Airfoil written by Vayl Stanley Oxford (2LT, USAF.) and published by . This book was released on 1975 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Drag of a Supercritical Body of Revolution in Free Flight at Transonic Speeds and Comparison with Wind-tunnel Data

Author : J. W. Usry
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Drag of a Supercritical Body of Revolution in Free Flight at Transonic Speeds and Comparison with Wind-tunnel Data by : J. W. Usry

Download or read book Drag of a Supercritical Body of Revolution in Free Flight at Transonic Speeds and Comparison with Wind-tunnel Data written by J. W. Usry and published by . This book was released on 1971 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Tests in the Variable Density Wind Tunnel to Investigate the Effects of Scale and Turbulence on Airfoil Characteristics

Author : John Stack
Publisher :
ISBN 13 :
Total Pages : 70 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Tests in the Variable Density Wind Tunnel to Investigate the Effects of Scale and Turbulence on Airfoil Characteristics by : John Stack

Download or read book Tests in the Variable Density Wind Tunnel to Investigate the Effects of Scale and Turbulence on Airfoil Characteristics written by John Stack and published by . This book was released on 1931 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effects of scale and turbulence on the lift and drag of five airfoils, the N.A.C.A. 0006 , the N.A.C.A. 0021, the Clark Y, The U.S.A 35-A, and the U.S.N. P.S.6, hve been investigated in the Variable Density Wind Tunnel. Tests were made over a wide scale for only two different conditions of turbulence.

Wind-tunnel Studies at Subsonic and Transonic Speeds of a Multiple-mission Variable-wing- Sweep Airplane Configuration

Author : William J. Alford
Publisher :
ISBN 13 :
Total Pages : 82 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Wind-tunnel Studies at Subsonic and Transonic Speeds of a Multiple-mission Variable-wing- Sweep Airplane Configuration by : William J. Alford

Download or read book Wind-tunnel Studies at Subsonic and Transonic Speeds of a Multiple-mission Variable-wing- Sweep Airplane Configuration written by William J. Alford and published by . This book was released on 1959 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Transient Motion of an Airfoil

Author : Stephen M. Rock
Publisher :
ISBN 13 :
Total Pages : 194 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Transient Motion of an Airfoil by : Stephen M. Rock

Download or read book Transient Motion of an Airfoil written by Stephen M. Rock and published by . This book was released on 1978 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Wind Tunnel Study of the Lift-drag Ratio on a Cambered Circulation Controlled Elliptical Airfoil

Author : Thomas Adlai Stevenson (CAPT, USAF.)
Publisher :
ISBN 13 :
Total Pages : 162 pages
Book Rating : 4.:/5 (132 download)

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Book Synopsis A Wind Tunnel Study of the Lift-drag Ratio on a Cambered Circulation Controlled Elliptical Airfoil by : Thomas Adlai Stevenson (CAPT, USAF.)

Download or read book A Wind Tunnel Study of the Lift-drag Ratio on a Cambered Circulation Controlled Elliptical Airfoil written by Thomas Adlai Stevenson (CAPT, USAF.) and published by . This book was released on 1974 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Sphere Drag in a Low Density Supersonic Flow

Author : Jerome Aroesty
Publisher :
ISBN 13 :
Total Pages : 318 pages
Book Rating : 4.:/5 (29 download)

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Book Synopsis Sphere Drag in a Low Density Supersonic Flow by : Jerome Aroesty

Download or read book Sphere Drag in a Low Density Supersonic Flow written by Jerome Aroesty and published by . This book was released on 1962 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sphere drag coefficients were measured in the Berkeley Low Density Wind Tunnel at Mach equals 2, 4, and 6, and free stream Reynolds numbers between 10 and 10,000 for both insulated and cold wall conditions. The measurements indicate that sphere drag in this regime is strongly dependent on the Reynolds number behind a normal shock wave, and only weakly dependent on Mach number. In addition, it was found that a decrease in wall temperature/stagnation temperature (T sub w/T sub o) from 1 to 0.26 was accompanied by a 5 - 10% decrease in the drag coefficient. A precision microbalance was used to obtain data for insulated spheres, and a moving model technique was used to obtain data for small spheres falling freely through a wind tunnel jet. These latter tests were performed using both cold and insulated models. The results on insulated spheres at M equal 2 and 4 were in good agreement with the measurements of other investigators. The results of the cold wall tests indicate that for Mach numbers greater than 5 in air, sphere drag coefficients are a function only of T sub w/T sub o and the post normal shock Reynolds number. (Author).

Aerodynamic Studies

Author : Zbiginew Krzywoblocki
Publisher :
ISBN 13 :
Total Pages : 116 pages
Book Rating : 4.3/5 (129 download)

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Book Synopsis Aerodynamic Studies by : Zbiginew Krzywoblocki

Download or read book Aerodynamic Studies written by Zbiginew Krzywoblocki and published by . This book was released on 1957 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Transonic Wind-tunnel Investigation of the Longitudinal Force and Moment Characteristics of Two Delta Wings and One Clipped-tip Delta Wing of 4 Percent Thickness on a Slender Body

Download A Transonic Wind-tunnel Investigation of the Longitudinal Force and Moment Characteristics of Two Delta Wings and One Clipped-tip Delta Wing of 4 Percent Thickness on a Slender Body PDF Online Free

Author : William E. Palmer
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis A Transonic Wind-tunnel Investigation of the Longitudinal Force and Moment Characteristics of Two Delta Wings and One Clipped-tip Delta Wing of 4 Percent Thickness on a Slender Body by : William E. Palmer

Download or read book A Transonic Wind-tunnel Investigation of the Longitudinal Force and Moment Characteristics of Two Delta Wings and One Clipped-tip Delta Wing of 4 Percent Thickness on a Slender Body written by William E. Palmer and published by . This book was released on 1955 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Numerical Study of the Effects of Wind Tunnel Wall Proximity on an Airfoil Model

Author : Mark Potsdam
Publisher :
ISBN 13 :
Total Pages : 92 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis A Numerical Study of the Effects of Wind Tunnel Wall Proximity on an Airfoil Model by : Mark Potsdam

Download or read book A Numerical Study of the Effects of Wind Tunnel Wall Proximity on an Airfoil Model written by Mark Potsdam and published by . This book was released on 1990 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:

On the Effect of the Internal Friction of Fluids on the Motion of Pendulums

Author : George Gabriel 1819-1903 Stokes
Publisher : Legare Street Press
ISBN 13 : 9781015199002
Total Pages : 104 pages
Book Rating : 4.1/5 (99 download)

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Book Synopsis On the Effect of the Internal Friction of Fluids on the Motion of Pendulums by : George Gabriel 1819-1903 Stokes

Download or read book On the Effect of the Internal Friction of Fluids on the Motion of Pendulums written by George Gabriel 1819-1903 Stokes and published by Legare Street Press. This book was released on 2021-09-10 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.