› › Aerodynamic Characteristics Of Naca 0012 Airfoil Section At Angles Of Attack From 0 Deg To 180 Deg

Advances in Guidance, Navigation and Control

Author : Liang Yan

Publisher : Springer Nature

Page : 7455 pages

File Size : 28,66 MB

Release : 2023-02-10

Category : Technology & Engineering

ISBN : 9811966133

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Book Description

This book features the latest theoretical results and techniques in the field of guidance, navigation, and control (GNC) of vehicles and aircrafts. It covers a wide range of topics, including but not limited to, intelligent computing communication and control; new methods of navigation, estimation and tracking; control of multiple moving objects; manned and autonomous unmanned systems; guidance, navigation and control of miniature aircraft; and sensor systems for guidance, navigation and control etc. Presenting recent advances in the form of illustrations, tables, and text, it also provides detailed information of a number of the studies, to offer readers insights for their own research. In addition, the book addresses fundamental concepts and studies in the development of GNC, making it a valuable resource for both beginners and researchers wanting to further their understanding of guidance, navigation, and control.



Aerodynamic Characteristics of Two-dimensional Wing Configurations at Angles of Attack Near -90 Deg

Author :

Publisher :

Page : 88 pages

File Size : 15,17 MB

Release : 1986

Category :

ISBN :

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Book Description

Wind tunnel tests were conducted to determine the drag og two-dimensional wing sections operating in a near-vertical flow condition. Various leading-and trailing-edge configurations, including plain flaps of 25, 30, and 35% chord were tested at angles of attack from-75 to -105deg. Reynolds numbers examined ranged from approximately 0.6 to 1.4 million. The data were obtained using a wind tunnel force and moment balance system and arrays of chordwise pressure orifices. The results showed that significant reductions in drag, beyond what would be expected by virtue of the decreased frontal area, were obtainable with geometries that delayed flow separation. Rapid changes in drag with angle of attack were noted for many configurations. The results, however, were fairly insensitive to Reynolds number variations. Drag values computed from the pressure data generally agreed with the force data within 2%. Keywords: Download; Two-dimension wing; Leading edge; trailing edge; Wing flap; Wing slots; Wing slats; Wing spoiler.





Fuelling the Future

Author : A. Mendez-Vilas

Publisher : Universal-Publishers

Page : 615 pages

File Size : 11,16 MB

Release : 2012-12-01

Category : Science

ISBN : 1612335586

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Book Description

"This book contains a selection of papers presented at The Energy & Materials Research Conference (EMR2012), which was held in Torremolinos, Málaga (Spain), during June 20th-22nd 2012."--p. ix.



Technical Note

Author :

Publisher :

Page : 444 pages

File Size : 36,24 MB

Release : 1955

Category : Aeronautics

ISBN :

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Wind Turbines in Cold Climates

Author : Lorenzo Battisti

Publisher : Springer

Page : 355 pages

File Size : 49,14 MB

Release : 2015-02-16

Category : Technology & Engineering

ISBN : 3319051911

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Book Description

This book addresses the key concerns regarding the operation of wind turbines in cold climates and focuses in particular on the analysis of icing and methods for its mitigation. Topics covered include the implications of cold climates for wind turbine design and operation, the relevance of icing for wind turbines, the icing process itself, ice prevention systems and thermal anti-icing system design. In each chapter, care is taken to build systematically on the basic knowledge, providing the reader with the level of detail required for a thorough understanding. An important feature is the inclusion of several original analytical and numerical models for ready computation of icing impacts and design assessment. The breadth of the coverage and the in-depth scientific analysis, with calculations and worked examples relating to both fluid dynamics and thermodynamics, ensure that the book will serve not only as a textbook but also as a practical manual for general design tasks.



Green Approaches in Sustainable Aviation

Author : T. Hikmet Karakoc

Publisher : Springer Nature

Page : 188 pages

File Size : 17,92 MB

Release : 2023-11-11

Category : Technology & Engineering

ISBN : 3031331184

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Book Description

Sustainable aviation is a long-term strategy to provide innovative solutions to the industry’s environmental challenges. The International Symposium on Sustainable Aviation is a multi-disciplinary symposium that presents research on current sustainability-based issues and future trends in aviation from an economic, social, and environmental perspective. The conference provides a platform offering insights on a broad range of current issues in aviation, such as aviation and environment, commercial air transport, regulations and policy, sustainable aerospace vehicles and technologies, and environmental modeling and measurements. The ISSA symposium allows researchers, scientists, engineers, practitioners, policymakers, and students to exchange information, present new technologies and developments, and discuss future direction, strategies, and priorities in sustainable aviation topics.



Gust-load and Airspeed Data from One Type of Four-engine Airplane on Five Routes from 1947 to 1954

Author : Walter G. Walker

Publisher :

Page : 642 pages

File Size : 23,83 MB

Release : 1955

Category : Acceleration (Mechanics)

ISBN :

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Book Description

This paper presents the results of an analysis of approximately 100,000 hours of V-G data from one type of four-engine civil transport airplane to determine the magnitude and frequency of occurrence of the gust loads and gusts. The data were obtained during routine operations from 1947 to 1954 on five different routes. The normal accelerations for each of the five operations may be expected to exceed the value corresponding to the limit-gust-load-factor increment, on the average, twice (once positive and once negative) within the range of 5,000,000 to 22,300,000 flight miles. A derived gust velocity of 50 feet per second was exceeded twice within the range of 600,000 to 1,900,000 flight miles. The gust loads of the present operations were less than the loads experienced by other four-engine civil transports previously investigated, but the differences are not significant. The present data indicated only small differences due to seasonal effects and different operational utilization.





Principles of Helicopter Aerodynamics

Author : J. Gordon Leishman

Publisher : Cambridge University Press

Page : 544 pages

File Size : 44,67 MB

Release : 2002-12-23

Category : Medical

ISBN : 9780521523967

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Book Description

Helicopters are highly capable and useful rotating-wing aircraft with roles that encompass a variety of civilian and military applications. Their usefulness lies in their unique ability to take off and land vertically, to hover stationary relative to the ground, and to fly forward, backward, or sideways. These unique flying qualities, however, come at a high cost including complex aerodynamic problems, significant vibrations, high levels of noise, and relatively large power requirements compared to fixed-wing aircraft. This book, written by an internationally recognized expert, provides a thorough, modern treatment of the aerodynamic principles of helicopters and other rotating-wing vertical lift aircraft. Every chapter is extensively illustrated and concludes with a bibliography and homework problems. Advanced undergraduate and graduate students, practising engineers, and researchers will welcome this thorough and up-to-date text on rotating-wing aerodynamics.