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Author :
Publisher : SAE International
ISBN 13 : 9781560918158
Total Pages : 108 pages
Book Rating : 4.9/5 (181 download)
Download or read book Closed-test-section Wind Tunnel Blockage Corrections for Road Vehicles written by and published by SAE International. This book was released on 1996 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Road Vehicle Aerodynamics Forum Committee
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (137 download)
Download or read book Aerodynamic Testing of Road Vehicles--Open Throat Wind Tunnel Adjustment written by Road Vehicle Aerodynamics Forum Committee and published by . This book was released on 1990 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: As a simulation of road driving, wind tunnel testing of full-size vehicles produces certain errors in the aerodynamic forces, aerodynamic moments, and surface pressures. The magnitude of these errors, in general, depends on the following: a.) Flow quality, b.) Determination of the reference dynamic pressure, c.) Wind tunnel floor boundary layer, d.) Test section geometry and position of the car within that geometry, e.) Shape of the vehicle, f.) Blockage ratio: The ratio of the cross-sectional area of the vehicle to the cross-sectional area of the wind tunnel nozzle, g.) Wheel rotation, and h.) Internal flow in the model. The SAE Standards Committee, Open Throat Wind Tunnel Adjustments, had as a goal to document the knowledge of the influence of model interference on wind tunnel test results for automotive open jet wind tunnels. This document contains the following information related to this subject: a.) Design data of open throat wind tunnels, b.) A summary of published and unpublished test data, c.) Documentation and theoretical explanation of various blockage correction procedures for automotive tests, d.) Critical evaluation of blockage correction procedures, especially in relation to other influences, such as test section geometry, position of the car, floor boundary layer, etc., and e.) Recommendation of a calibration procedure to determine the effect of blockage and other influences in each individual wind tunnel.
Author : G. W. Carr
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (173 download)
Download or read book Wind Tunnel Blockage Corrections for Road Vehicles written by G. W. Carr and published by . This book was released on 1971 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : G. W. Carr
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (473 download)
Download or read book Wind Tunnel Blockage Correction for Road Vehicles written by G. W. Carr and published by . This book was released on 1971 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Aeronautical Research Council
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (618 download)
Download or read book Wake Blockage Corrections in a Closed Wind Tunnel for One Or Two Wall-mounted Models Subject to Separated Flow written by Aeronautical Research Council and published by . This book was released on 1971 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Rudolph W. Hensel
Publisher :
ISBN 13 :
Total Pages : 708 pages
Book Rating : 4.F/5 ( download)
Download or read book Rectangular-wind-tunnel Blocking Corrections Using the Velocity-ratio Method written by Rudolph W. Hensel and published by . This book was released on 1951 with total page 708 pages. Available in PDF, EPUB and Kindle. Book excerpt: Calculations of the ratios of the velocity increments at test bodies to those at the tunnel walls caused by the solid blocking of these bodies within the walls of a closed rectangular wind tunnel are presented. The boides treated include two-dimensional airfoils; small bodies of revolution; straight, untapered, finite-span wings of varying span; and swept, untapered, finite-span wings of varying span. It is shown that, after wake blocking effects have been removed , the present method furnishes semiempirical blocking corrections for most wind-tunnel models and their components. The test section proportions of the Southern California Cooperative Wind Tunnel at CIT (ratio of height to width equal to 1/square root of 2) are used in the calculations.
Author : N. Ulbrich
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book Blockage Correction in Three-dimensional Wind Tunnel Testing Based on the Wall Signature Method written by N. Ulbrich and published by . This book was released on 1992 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.:/5 (317 download)
Download or read book On Blockage Corrections for Two-dimensional Wind Tunnel Tests Using the Wall-pressure Signature Method written by and published by . This book was released on 1986 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Colin Britcher
Publisher : Academic Press
ISBN 13 : 0128181001
Total Pages : 672 pages
Book Rating : 4.1/5 (281 download)
Download or read book Wind Tunnel Test Techniques written by Colin Britcher and published by Academic Press. This book was released on 2023-10-20 with total page 672 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wind Tunnel Test Techniques: Design and Use at Low and High Speeds with Statistical Engineering Applications provides an up-to-date treatment of the topic. Beginning with a brief history of wind tunnels and its types and uses, the book goes on to cover subsonic, supersonic and hypersonic wind tunnel design and construction, calibration, boundary corrections, flow quality assessment, pressure surveys, and dynamic testing. It also focuses on wind tunnel facilities, making it useful for both the designer and operator. Engineers and graduate students in aerospace, automotive and similar programs will find this book useful in their work with experimental aerodynamics, gas dynamics, facility design and performance. Deals with a broad range of flow speeds in wind tunnels, from low speed to high speed Provides a discussion of similarity laws as well as material on statistical analysis Includes coverage on facility-to-facility and facility-to-CFD correlation Presents advanced topics such as cryogenic wind tunnels, ground simulation in automotive testing, and propulsion testing
Author : Thomas Christian Schuetz
Publisher : SAE International
ISBN 13 : 0768082536
Total Pages : 1312 pages
Book Rating : 4.7/5 (68 download)
Download or read book Aerodynamics of Road Vehicles written by Thomas Christian Schuetz and published by SAE International. This book was released on 2015-12-30 with total page 1312 pages. Available in PDF, EPUB and Kindle. Book excerpt: The detailed presentation of fundamental aerodynamics principles that influence and improve vehicle design have made Aerodynamics of Road Vehicles the engineer’s “source” for information. This fifth edition features updated and expanded information beyond that which was presented in previous releases. Completely new content covers lateral stability, safety and comfort, wind noise, high performance vehicles, helmets, engine cooling, and computational fluid dynamics. A proven, successful engineering design approach is presented that includes: • Fundamentals of fluid mechanics related to vehicle aerodynamics • Essential experimental results that are the ground rules of fluid mechanics • Design strategies for individual experimental results • General design solutions from combined experimental results The aerodynamics of passenger cars, commercial vehicles, motorcycles, sports cars, and race cars is dealt with in detail, inclusive of systems, testing techniques, measuring and numerical aerodynamics methods and simulations that significantly contribute to vehicle development. Aerodynamics of Road Vehicles is an excellent reference tool and an indispensable source for the industry’s vehicle engineers, designers, and researchers, as well as for enthusiasts, students, and those working in academia or government regulatory agencies.
Author : Deepak Sahini
Publisher :
ISBN 13 :
Total Pages : 242 pages
Book Rating : 4.:/5 (578 download)
Download or read book Wind Tunnel Blockage Corrections written by Deepak Sahini and published by . This book was released on 2004 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. W. F. Gould
Publisher :
ISBN 13 : 9780114703691
Total Pages : 20 pages
Book Rating : 4.7/5 (36 download)
Download or read book Wake Blockage Corrections in a Closed Wind Tunnel for One Or Two Wall-mounted Models Subject to Separated Flow written by R. W. F. Gould and published by . This book was released on 1970 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Harry H. Heyson
Publisher :
ISBN 13 :
Total Pages : 380 pages
Book Rating : 4.:/5 (31 download)
Download or read book Rapid Estimation of Wind-tunnel Corrections with Application to Wind-tunnel and Model Design written by Harry H. Heyson and published by . This book was released on 1971 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Road Vehicle Aerodynamics Forum Committee
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (137 download)
Download or read book Aerodynamic Testing of Road Vehicles - Testing Methods and Procedures written by Road Vehicle Aerodynamics Forum Committee and published by . This book was released on 2016 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The scope of this SAE Information Report is confined to wind-tunnel testing, although it is recognized that many aspects of the aerodynamic characteristics of road vehicles can be investigated in other test facilities (such as water-tanks) or, especially, on the road. For example, coastdown testing is often used to determine aerodynamic drag (either in isolation or as part of the total resistance), and artificial gust generators are used to investigate the sensitivity of vehicles to cross-wind gusts.Also excluded from the present Report are climatic wind-tunnel tests of road vehicles, which are defined in more detail in Section 3.The Report covers the aerodynamic requirements of a wind-tunnel for automotive testing, together with the facility equipment needed and the requirements affecting the test vehicle or model. The test methods and procedures described here include those for six-component force measurements and measurements of pressures and velocities both on the vehicle/model surface and in the surrounding flow-field.Flow visualization techniques are outlined, with reference to the detailed coverage in a related SAE Information Report (2). In addition, the reduction, analysis, and presentation of wind-tunnel data are considered, with further references to associated SAE Information Reports (3,4) on corrections to be applied for wind-tunnel blockage effects. Finally, methods are discussed for the validation of the wind-tunnel data, e.g., by tunnel-to-road correlation studies.As already indicated, this document has been prepared in conjunction with a number of other SAE Information Reports and Recommended Practices (1-5), each of which provides greater detail than is given here on its particular aspect of automotive aerodynamic testing. Much of the information presented in this document is mature and unlikely to change in the foreseeable future. The remainder - relating particularly to moving ground simulation and blockage correction techniques - is nevertheless judged by the Road Vehicle Aerodynamics Committee to be of historical significance. To supplement it contents, users are encouraged to consult more recent revisions of J1252, J1594, and J2881, as well as relevant SAE conference papers published since the 1993 issue of this document.
Author : Road Vehicle Aerodynamics Forum Committee
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (137 download)
Download or read book AERODYNAMIC TESTING OF ROAD VEHICLESTESTING METHODS AND PROCEDURES written by Road Vehicle Aerodynamics Forum Committee and published by . This book was released on 1993 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The scope of this SAE Information Report is confined to wind-tunnel testing, although it is recognized that many aspects of the aerodynamic characteristics of road vehicles can be investigated in other test facilities (such as water-tanks) or, especially, on the road. For example, coastdown testing is often used to determine aerodynamic drag (either in isolation or as part of the total resistance), and artificial gust generators are used to investigate the sensitivity of vehicles to cross-wind gusts.Also excluded from the present Report are climatic wind-tunnel tests of road vehicles, which are defined in more detail in Section 3.The Report covers the aerodynamic requirements of a wind-tunnel for automotive testing, together with the facility equipment needed and the requirements affecting the test vehicle or model. The test methods and procedures described here include those for six-component force measurements and measurements of pressures and velocities both on the vehicle/model surface and in the surrounding flow-field.Flow visualization techniques are outlined, with reference to the detailed coverage in a related SAE Information Report (2). In addition, the reduction, analysis, and presentation of wind-tunnel data are considered, with further references to associated SAE Information Reports (3,4) on corrections to be applied for wind-tunnel blockage effects. Finally, methods are discussed for the validation of the wind-tunnel data, e.g., by tunnel-to-road correlation studies.As already indicated, this document has been prepared in conjunction with a number of other SAE Information Reports and Recommended Practices (15), each of which provides greater detail than is given here on its particular aspect of automotive aerodynamic testing.
Download or read book Таблицы антилогарифмов 10х written by and published by . This book was released on 1965 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Wolf-Heinrich Hucho
Publisher : Elsevier
ISBN 13 : 1483102076
Total Pages : 577 pages
Book Rating : 4.4/5 (831 download)
Download or read book Aerodynamics of Road Vehicles written by Wolf-Heinrich Hucho and published by Elsevier. This book was released on 2013-10-22 with total page 577 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aerodynamics of Road Vehicles details the aerodynamics of passenger cars, commercial vehicles, sports cars, and race cars; their external flow field; as well as their internal flow field. The book, after giving an introduction to automobile aerodynamics and some fundamentals of fluid mechanics, covers topics such as the performance and aerodynamics of different kinds of vehicles, as well as test techniques for their aerodynamics. The book also covers other concepts related to automobiles such as cooling systems and ventilations for vehicles. The text is recommended for mechanical engineers and phycisists in the automobile industry who would like to understand more about aerodynamics of motor vehicles and its importance on the field of road safety and automobile production.
