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Automotive Aerodynamics by Joseph Katz

Title Automotive Aerodynamics
Author Joseph Katz
Publisher John Wiley & Sons
Release 2016-07-12
Category Technology & Engineering
Total Pages 608
ISBN 1119185726
Language English, Spanish, and French
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Book Summary:

The automobile is an icon of modern technology because it includes most aspects of modern engineering, and it offers an exciting approach to engineering education. Of course there are many existing books on introductory fluid/aero dynamics but the majority of these are too long, focussed on aerospace and don’t adequately cover the basics. Therefore, there is room and a need for a concise, introductory textbook in this area. Automotive Aerodynamics fulfils this need and is an introductory textbook intended as a first course in the complex field of aero/fluid mechanics for engineering students. It introduces basic concepts and fluid properties, and covers fluid dynamic equations. Examples of automotive aerodynamics are included and the principles of computational fluid dynamics are introduced. This text also includes topics such as aeroacoustics and heat transfer which are important to engineering students and are closely related to the main topic of aero/fluid mechanics. This textbook contains complex mathematics, which not only serve as the foundation for future studies but also provide a road map for the present text. As the chapters evolve, focus is placed on more applicable examples, which can be solved in class using elementary algebra. The approach taken is designed to make the mathematics more approachable and easier to understand. Key features: Concise textbook which provides an introduction to fluid mechanics and aerodynamics, with automotive applications Written by a leading author in the field who has experience working with motor sports teams in industry Explains basic concepts and equations before progressing to cover more advanced topics Covers internal and external flows for automotive applications Covers emerging areas of aeroacoustics and heat transfer Automotive Aerodynamics is a must-have textbook for undergraduate and graduate students in automotive and mechanical engineering, and is also a concise reference for engineers in industry.

Title Race Car Aerodynamics
Author J Katz
Publisher Robert Bentley, Incorporated
Release 1996-03-08
Category Transportation
Total Pages 280
ISBN 9780837601427
Language English, Spanish, and French
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Book Summary:

The first book to summarize the secrets of the rapidly developing field of high-speed vehicle design. From F1 to Indy Car, Drag and Sedan racing, this book provides clear explanations for engineers who want to improve their design skills and enthusiasts who simply want to understand how their favorite race cars go fast. Explains how aerodynamics win races, why downforce is more important than streamlining and drag reduction, designing wings and venturis, plus wind tunnel designs and more.

Title Important Factors for Accurate Scale Resolving Simulations of Automotive Aerodynamics
Author Petter Ekman
Publisher Linköping University Electronic Press
Release 2020-04-02
Category Electronic books
Total Pages 96
ISBN 917929863X
Language English, Spanish, and French
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Book Summary:

Road transports are responsible for almost 18 % of the greenhouse gas emission in Europe and are today the leading cause of air pollution in cities. Aerodynamic resistance has a significant effect on fuel consumption and hence the emission of vehicles. For electric vehicles, emissions are not affected by the aerodynamics as such but instead have a significant effect on the effective range of the vehicle. In 2017, a new measurement procedure was introduced, Worldwide Harmonized Light Vehicles Test Procedure (WLTP), for measuring emissions, fuel consumption, and range. This procedure includes a new test cycle with increased average driving speed compared to the former procedure, which thereby increases the importance of the aerodynamic resistance, as it drastically increases with speed. A second effect is that the exact car configuration sold to the customer needs to be certified in terms of fuel consumption and emissions. The result is that every possible combination of optional extras, which might affect the aerodynamic resistance, needs to be aerodynamically analyzed and possibly improved. From 2021, the European Commission will introduce stricter emission regulations for new passenger cars, with the fleet-wide average lowered to 95 grams CO2=km, which puts an even higher demand on achieving efficient aerodynamics. Virtual development of the aerodynamics of road vehicles is today used to a great extent, using Computational Fluid Dynamics, as it enables faster and cheaper development. However, achieving high accuracy for the prediction of the flow field and aerodynamic forces is challenging, especially given the complexity of both the vehicle geometry in itself and the surrounding flow field. Even for a simplified generic bluff body, accurately predicting the flow field and aerodynamic forces is a challenge. The main reason for this challenge of achieving results with high accuracy is the prediction of the complex behavior of turbulence. Scale-resolving simulation (SRS) methods, such as Large Eddy Simulation (LES), where most of the turbulent structures are resolved has in many studies shown high accuracy but unfortunately to a very high computational cost. It is primarily the small turbulent structures within the near-wall region that requires a _ne resolution in both space (the mesh) and in time. This fine resolution is the reason for the very high computational cost and makes LES unfeasible for practical use in industrial aerodynamic development at present and in the near future. By modeling the turbulent structures within the near-wall region using a Reynolds-Averaged Navier-Stokes (RANS) model, and resolving the turbulence outside the region with a LES model, a coarser resolution is possible to use, resulting in significantly lower computational cost. Which used RANS model is of high importance, and especially how much turbulent viscosity the model generates, as too high values can result in suppression of the resolved turbulence. The transitioning between the RANS and LES regions have a significant effect on the results. Faster transition enables more resolved turbulence, favorable for higher accuracy, but needs to be balanced with sufficient shielding of the RANS region. If resolving the turbulence occurs within the near-wall region, and the mesh is not sufficiently fine, it can result in poor accuracy. By increasing the time-step size and disregarding best-practice guides, the computational cost can be significantly reduced. The accuracy is reasonably insensitive to the larger time step sizes until a certain degree, thereby enabling computationally cheaper SRS to achieve high accuracy of aerodynamic predictions needed to meet present and future emission regulations.

Title Modifying the Aerodynamics of Your Road Car
Author Julian Edgar
Publisher Veloce Publishing
Release 2018-12-18
Category Transportation
Total Pages 248
ISBN 9781787112834
Language English, Spanish, and French
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Book Summary:

Modifying the Aerodynamics of Your Road Car is a unique handbook that assumes no starting knowledge of vehicle aerodynamics. It begins with simple ideas and finishes with sophisticated and effective aerodynamic modifications that work. Three major chapters cover on-road testing techniques that give you all the information you need to decide what modifications you should make - and, after you’ve made them, how well they work. Low-cost techniques allow you to visualize the patterns of airflow over your car so that you can actually see the problem areas that need improvement. Uniquely, you’re also shown how to measure aerodynamic pressures, so you can determine which body surfaces are creating lift, drag and downforce. Want to work out where a wing should be placed? On-road testing to find that out is covered as well. The book also shows you how to measure downforce to see if that wing is actually working! If you wish to reduce drag, more than ten different areas are covered. Reducing frontal area, lowering cooling system drag, optimizing vehicle ride height and rake, reducing the strength of the wake, achieving clean airflow separation and optimizing wheel designs are all covered using the latest research findings. And if you’re a performance driver, there’s a major chapter devoted to reducing lift and improving stability. This chapter includes the design and development of undertrays and diffusers, wings and spoilers. The example car developed measurable downforce when fitted with an undertray and rear diffuser, something that transformed its on-road handling. The author has been writing about the aerodynamics of road cars for more than 25 years. He is also an experienced and proficient car modifier who has performed numerous aerodynamic modifications and upgrades to his own cars. The book’s technical consultant, RH Barnard, is an acknowledged world leading automotive aerodynamicist. If you want a practical, hands-on guide that demystifies and explains car aerodynamics, and shows you how to make effective aerodynamic modifications to your car, this book is for you.

Automobile Aerodynamics by Geoffrey Howard

Title Automobile Aerodynamics
Author Geoffrey Howard
Publisher Osprey Publishing
Release 1986
Category Automobiles
Total Pages 191
ISBN
Language English, Spanish, and French
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Book Summary:

Vehicle Aerodynamics Studies by Society of Automotive Engineers

Title Vehicle Aerodynamics Studies
Author Society of Automotive Engineers
Publisher
Release 2002
Category Technology & Engineering
Total Pages 235
ISBN
Language English, Spanish, and French
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Book Summary:

This work covers topics such as studies of the pulsations in a 3/4 open jet wind tunnel, cooling injet aerodynamic performance and system resistance, aerodynamic forces on truck models and much more.

Title Vehicle Aerodynamics
Author
Publisher
Release 1986
Category Aerodynamics
Total Pages
ISBN
Language English, Spanish, and French
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Title Progress in Vehicle Aerodynamics and Thermal Management
Author Jochen Wiedemann
Publisher Springer
Release 2017-12-05
Category Technology & Engineering
Total Pages 266
ISBN 9783319678214
Language English, Spanish, and French
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Book Summary:

The books presents latest information about new car developments, new or improved testing techniques and new or improved calculation procedures. Presenters are from industry and academia.

Title The Automotive Aerodynamics Handbook
Author Henry C. Landa
Publisher
Release 1987-01-01
Category Automobiles
Total Pages 238
ISBN
Language English, Spanish, and French
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Book Summary:

Automotive Engineering by Source Wikipedia

Title Automotive Engineering
Author Source Wikipedia
Publisher University-Press.org
Release 2013-09
Category
Total Pages 96
ISBN 9781230560656
Language English, Spanish, and French
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Book Summary:

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 43. Chapters: 4-poster, 7 post shaker, Automobile drag coefficient, Automotive aerodynamics, Automotive Hemming, Axle track, Body flex, Body in white, Calspan, Center axle disconnect, CVTCS, Dana 30, Dana 35, Dana 44, Dana 50, Dana 60, Dana 70, Dana 80, Dana S 110, Drive by wire, Dunton Technical Centre, Ford 8.8 axle, Ford 9-inch axle, Formula Student, Ground pressure, IAV, ISO 11898, ISO 16750, Modular vehicle, Motorcycle design, Nira Dynamics AB, Noise, vibration, and harshness, Ohio State University Center for Automotive Research, Ride height, Sterling 10.5 axle, Swept path analysis, The Machine That Changed the World (book), Twin-Traction Beam, Vehicle dynamics, Vehicle engineering, Weight transfer, Wheelbase, Wirth Research, Wreck Racing. Excerpt: The drag coefficient is a common measure in automotive design as it pertains to aerodynamic. Drag is a force that acts parallel and in the same direction as the airflow. The drag coefficient of an automobile impacts the way the automobile passes through the surrounding air. When automobile companies design a new vehicle they take into consideration the automobile drag coefficient in addition to the other performance characteristics. Aerodynamic drag increases with the square of speed; therefore a low value is preferable to a high one. Reducing the drag coefficient in an automobile affects the performance of the vehicle as it pertains to speed and fuel efficiency. There are many different ways to reduce the drag of a vehicle. Another common way to measure the drag of the vehicle is through the drag area. The reduction of drag in road vehicles has led to increases in the top speed of the vehicle and the vehicles fuel efficiency, as well as many other performance characteristics, such as handling and acceleration. The two main factors that impact drag are the frontal area of the...

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