標(biāo)題: Titlebook: Aerodynamic Drag Mechanisms of Bluff Bodies and Road Vehicles; Gino Sovran,Thomas Morel,William T. Mason Book 1978 Springer Science+Busine [打印本頁] 作者: FAULT 時間: 2025-3-21 17:24
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書目名稱Aerodynamic Drag Mechanisms of Bluff Bodies and Road Vehicles讀者反饋學(xué)科排名
作者: 罐里有戒指 時間: 2025-3-21 21:17
Controlling im administrativen Bereichroblems are elucidated with the aid of examples from design work carried out on cars now on the road. Prior to discussing aerodynamic drag in detail, a brief outline is given of the entire field of vehicle aerodynamics, of the economic significance of drag, and of the constraints that have to be obs作者: assent 時間: 2025-3-22 03:03 作者: Hay-Fever 時間: 2025-3-22 05:54
Synthese von Theorie und Empirie,cles are exposed to the natural wind and the possible effects of free stream turbulence on the mean flow are discussed. A review is given of the effects of turbulence on the drag of bluff bodies with separation from sharp edges, and with separation from continuous surfaces. A road vehicle moves clos作者: 高調(diào) 時間: 2025-3-22 11:24
https://doi.org/10.1007/978-3-322-94646-1 on the structural forms taken by flow fields generated in the high-Reynolds-number motion of bodies through air. In particular, it is suggested that these ideas lead to the view that any such flow, however complex, can be regarded as a set of much simpler elementary constituent flows which, though 作者: 凹室 時間: 2025-3-22 15:11 作者: 神化怪物 時間: 2025-3-22 20:28
Controlling in Consultingunternehmenstigation for axi-symmetric bodies. For the latter case, experiments on splitter plates, cylindrical extensions, base bleed and ventilated cavities are reviewed. Of these devices, base bleed is the only one that gives any useful reduction of drag. Unfortunately base bleed cannot be effectively appli作者: 假裝是我 時間: 2025-3-22 23:48
Controlling in Nonprofit-Organisationenmmetric or a rectangular cross section. It was found that base slant can have a very dramatic effect on body drag, particularly in a relatively narrow range of slant angles where the drag coefficient exhibits a large local maximum (overshoot)..Detailed study of the flow showed that the drag maximum 作者: 新義 時間: 2025-3-23 04:41
,Controlling – das Cockpit für den Gründer,nd the prospects of aerodynamics in automobile design..The major part is devoted to bluff-body research relevant to truck and bus aerodynamics. It mainly focuses on three-dimensional single-body configurations — bars of square cross-section having length-to-width ratios, L/W, from virtually 0 to 5. 作者: Invigorate 時間: 2025-3-23 07:48
,Erfolgreich durch die Gründungsphase,gly interact with each other. This interaction is often beneficial in that the drag of the overall system is reduced. Prototypes for this problem come from tractor-trailer and cab-van combinations, and from various add-on devices designed to reduce their drag..The primary object of the present inves作者: aspect 時間: 2025-3-23 10:13 作者: Forsake 時間: 2025-3-23 15:27
https://doi.org/10.1007/978-3-322-81566-8increased safety and comfort. To achieve these goals improved theoretical and experimental techniques are urgently needed. This paper explores the potential of using numerical-simulation methods for predicting and interpreting aerodynamic phenomena affecting bluff bodies. As a basis for discussion, 作者: propose 時間: 2025-3-23 20:12 作者: 牢騷 時間: 2025-3-23 23:15
https://doi.org/10.1007/978-1-4684-8434-2Motor; aerodynamics; atmosphere; basic research; development; dynamics; education; energy; future; mechanism; 作者: gene-therapy 時間: 2025-3-24 03:14 作者: glucagon 時間: 2025-3-24 09:16
http://image.papertrans.cn/a/image/150475.jpg作者: ear-canal 時間: 2025-3-24 11:12
Some General Characteristics and Properties of Three-Dimensional Flow Fieldsthey certainly interact with each other, tend to retain much of their individuality for considerable periods of time. Thus, the key to understanding the flow as a whole lies in the recognition of the structure and properties of its basic elements and of the kinds of interaction that can occur between them.作者: generic 時間: 2025-3-24 18:20
Mechanisms of Two and Three-Dimensional Base Dragio bluff-based body, and then by discussing a very simple three-dimensional bluff body. Some results are given of an investigation into means of influencing the base pressure of this simple body, and the effect of the proximity of the ground is considered.作者: 贊成你 時間: 2025-3-24 20:55
Symposium Wrap-Upteresting. We all drive cars. As we drive around, the complex and fascinating aerodynamics that surround our vehicles naturally pique the curiosity of a fluid dynamicist and make him want to understand. As we have seen, there is much that is not well understood.作者: 可能性 時間: 2025-3-24 23:13 作者: 天空 時間: 2025-3-25 04:52 作者: 禁令 時間: 2025-3-25 10:52 作者: Efflorescent 時間: 2025-3-25 11:43 作者: plasma 時間: 2025-3-25 17:18 作者: fatuity 時間: 2025-3-25 21:06 作者: 態(tài)學(xué) 時間: 2025-3-26 02:52
The Drag Related Flow Field Characteristics of Trucks and Buses modifying body contours or by employing add-on devices, apparent minimum drag limits have been identified. The possibility of even lower drag levels within existing constraints is analyzed. At the end, non-zero yaw drag characteristics are briefly discussed.作者: 人造 時間: 2025-3-26 05:54
Some Effects of Free-Stream Turbulence and the Presence of the Ground on the Flow Around Bluff Bodiesed vehicle shape in “ground effect” and they demonstrate the importance of ground clearance. The results also expose differences between wind-tunnel measurements made with a moving wall and a fixed ground plane. Finally a two-dimensional, free-streamline theory is used to predict, qualitatively, the experimental results.作者: Intend 時間: 2025-3-26 11:34 作者: Apoptosis 時間: 2025-3-26 14:56 作者: TOXIC 時間: 2025-3-26 17:41 作者: Commodious 時間: 2025-3-26 22:53
https://doi.org/10.1007/978-3-322-81566-8teresting. We all drive cars. As we drive around, the complex and fascinating aerodynamics that surround our vehicles naturally pique the curiosity of a fluid dynamicist and make him want to understand. As we have seen, there is much that is not well understood.作者: exceed 時間: 2025-3-27 01:49
Book 1978eld at the General Motors Research Laboratories in Warren, Michigan, on September 27 and 28, 1976. This international, invitational Symposium was the twentieth in an annual series, each one having been in a different technical discipline. The Symposia provide a forum for areas of science and technol作者: ovation 時間: 2025-3-27 06:54 作者: 膠水 時間: 2025-3-27 09:50
The Aerodynamic Drag of Cars Current Understanding, Unresolved Problems, and Future Prospectsroblems are elucidated with the aid of examples from design work carried out on cars now on the road. Prior to discussing aerodynamic drag in detail, a brief outline is given of the entire field of vehicle aerodynamics, of the economic significance of drag, and of the constraints that have to be obs作者: 殘廢的火焰 時間: 2025-3-27 13:47
The Drag Related Flow Field Characteristics of Trucks and Buses/7-scale tractor-trailer and bus models are used to identify major drag producing regions of the flow fields, and to document some of the detailed characteristics. Some modifications of both the forebody and base flow fields are made in order to explore the practical potential for drag reduction. Th作者: 老人病學(xué) 時間: 2025-3-27 21:06
Some Effects of Free-Stream Turbulence and the Presence of the Ground on the Flow Around Bluff Bodiecles are exposed to the natural wind and the possible effects of free stream turbulence on the mean flow are discussed. A review is given of the effects of turbulence on the drag of bluff bodies with separation from sharp edges, and with separation from continuous surfaces. A road vehicle moves clos作者: 良心 時間: 2025-3-28 01:56 作者: Negligible 時間: 2025-3-28 05:49
Mechanisms of Two and Three-Dimensional Base Dragluence this pressure are described, with emphasis on the effects of the presence of some three-dimensionality on basically two-dimensional base flows..The differences between two- and three-dimensional base flows are highlighted, firstly by discussing the effects of tip geometry on a high-aspect-rat作者: 改良 時間: 2025-3-28 07:49 作者: 調(diào)整校對 時間: 2025-3-28 13:19 作者: Host142 時間: 2025-3-28 17:42
Recent Japanese Research on Three-Dimensional Bluff-Body Flows Relevant to Road-Vehicle Aerodynamicsnd the prospects of aerodynamics in automobile design..The major part is devoted to bluff-body research relevant to truck and bus aerodynamics. It mainly focuses on three-dimensional single-body configurations — bars of square cross-section having length-to-width ratios, L/W, from virtually 0 to 5. 作者: Aspirin 時間: 2025-3-28 20:24
Interaction Effects on the Drag of Bluff Bodies in Tandemgly interact with each other. This interaction is often beneficial in that the drag of the overall system is reduced. Prototypes for this problem come from tractor-trailer and cab-van combinations, and from various add-on devices designed to reduce their drag..The primary object of the present inves作者: 不能約 時間: 2025-3-29 00:59
Numerical Modeling of Blunt-Body Flows—Problems and Prospectsractions between the turbulent boundary layer near the body, the unsteady, highly vortical wake flow behind the body, and the potential-flow regions outside these. The incomplete understanding of vortical unsteady flow fields, in particular, turbulent boundary layers and their separation behavior, w作者: 沒有貧窮 時間: 2025-3-29 04:02
Prospects for Numerical Simulation of Bluff-Body Aerodynamicsincreased safety and comfort. To achieve these goals improved theoretical and experimental techniques are urgently needed. This paper explores the potential of using numerical-simulation methods for predicting and interpreting aerodynamic phenomena affecting bluff bodies. As a basis for discussion, 作者: 文藝 時間: 2025-3-29 09:10
Symposium Wrap-Up particularly for those not previously involved with road-vehicle aerodynamics, I hope we have opened up many new possibilities for future research. Two things should be evident. The problems are certainly significant and challenging from a technical point of view; furthermore, they are also very in作者: 法官 時間: 2025-3-29 14:50 作者: Feature 時間: 2025-3-29 16:24
tuation makes it highly desirable to reduce the force required to move road vehicles through the atmosphere. A significant amount of the total energy consumed for transportation is expended in overcoming the aerodynamic resistance to motion of these vehicles. Reductions in this aerodynamic drag can therefore 978-1-4684-8436-6978-1-4684-8434-2作者: Adjourn 時間: 2025-3-29 22:01
Controlling im administrativen Bereichthe recent years. Some results achieved with the technique are presented..Finally, today’s state of the art is placed in the context of a time history of vehicle aerodynamics. What has been achieved to date on production automobiles is compared with what is known to be attainable. This contrast shou作者: 是他笨 時間: 2025-3-30 00:55 作者: 預(yù)測 時間: 2025-3-30 06:13
Controlling in Nonprofit-Organisationenm occurs in the slant-angle range where a changeover from one flow pattern to the other takes place. The observed phenomenon may be thought of as being associated with a broader category of “critical geometries,” which is tentatively defined and discussed.作者: 庇護(hù) 時間: 2025-3-30 10:28
