標(biāo)題: Titlebook: New Results in Numerical and Experimental Fluid Mechanics; Contributions to the Horst K?rner,Reinhard Hilbig Book 1997 Friedr. Vieweg & Soh [打印本頁] 作者: 關(guān)稅 時間: 2025-3-21 17:40
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書目名稱New Results in Numerical and Experimental Fluid Mechanics讀者反饋學(xué)科排名
作者: Climate 時間: 2025-3-21 20:32
Density Measurements on a Delta Wing by Means of Planar Intensity Distribution of Rayleigh Scatteredences made during these first tests, the quantitative determination of the density field above a delta wing has been performed at Mach numbers between 0.5 and 1.4 in the transonic wind tunnel (TWG) of the DLR G?ttingen. Three dimensional density fields with a resolution of about 1% have been obtained.作者: Deceit 時間: 2025-3-22 03:14
Numerical and Experimental Investigations of Flow Induced by Harmonic Motion of a Circular Cylindernder in water at rest at Reynolds number Re=100 and Keulegan-Carpenter number KC=5 was computed accurately in time. Computations have been performed applying different grid levels and time steps. Stable, symmetric and periodic flow patterns occurred showing good agreement with time averaged LDA measurements providing phase resolution of 1 degree.作者: anaerobic 時間: 2025-3-22 07:48
Alternative drag calculations from off body flow quantities using the FLOWer codeentional surface force integration techniques. The method is applied to two-dimensional flow field solutions obtained from the FLOWer code. Qualitative comparisons of the two techniques are presented for a NACA 0012 airfoil at different Mach numbers.作者: 種植,培養(yǎng) 時間: 2025-3-22 09:41 作者: Commentary 時間: 2025-3-22 15:55 作者: 變化 時間: 2025-3-22 19:08 作者: bifurcate 時間: 2025-3-22 23:43 作者: contrast-medium 時間: 2025-3-23 02:02 作者: nonchalance 時間: 2025-3-23 07:44
Reduction of Aerodynamic Drag (RaWid) in the national Research and Technology Programme for Aeronautlogies required for a MEGALINER which gains momentum by the ambitious plans for a new large Airbus A3XX..In the first year new technological steps were undertaken in theory, design and experiment. Some critical steps were verified by wing designs checked in wind tunnel tests.作者: 令人悲傷 時間: 2025-3-23 10:01
Close Coupling of Very High-Bypass Engines in Combination with Take-Off / Landing Configurationshe gap between pylon and inboard end of slat is closed. Further investigations are planned with a Very-High Bypass-Ratio engine simulator within the programme “Hochauftriebskonzepte (HAK)”, funded by the German ministry of Research and Technology and within the CEC-funded programme ENIFAIR.作者: Astigmatism 時間: 2025-3-23 17:24 作者: 隱藏 時間: 2025-3-23 18:32
Flight experiment guidance technique for research on transition with Grob G109 aircraft of the Technrs such as aircraft weight, center of gravity and weather data. The current flow characteristic along the laminar glove is investigated by inflight experiments and by a 3-D panel method. The knowledge about these local flow characteristics gives a database for direct numerical simulation performed by the University of Stuttgart.作者: MONY 時間: 2025-3-24 00:32
Norbert Krolllisation? Should it latch onto opportunities for international expansion as soon as these come up or should it wait until having reached a minimum size, implying that it has already accumulated locally sufficient competencies and resources to expand abroad?作者: 紅腫 時間: 2025-3-24 02:59
Uwe Ch. Dallmannlisation? Should it latch onto opportunities for international expansion as soon as these come up or should it wait until having reached a minimum size, implying that it has already accumulated locally sufficient competencies and resources to expand abroad?作者: 記憶法 時間: 2025-3-24 09:58
B. Ewald,K. Hufnagellisation? Should it latch onto opportunities for international expansion as soon as these come up or should it wait until having reached a minimum size, implying that it has already accumulated locally sufficient competencies and resources to expand abroad?作者: 褻瀆 時間: 2025-3-24 12:05 作者: lacrimal-gland 時間: 2025-3-24 16:54 作者: Congregate 時間: 2025-3-24 22:22
F. St. Boller,P. G. Fisch,A. Merten,K. Moldenhauersis—This section considers payback periods, present worth analysis, return on investment, internal rate of return, benefit/cost ratios and positive-negative project balances; risk techniques of sensitivity analysis, optimistic-pessimistic analysis, discrete probability examples, and continuous proba作者: Macronutrients 時間: 2025-3-24 23:20 作者: cardiopulmonary 時間: 2025-3-25 05:07 作者: hermitage 時間: 2025-3-25 08:04
B. Dre?lersis—This section considers payback periods, present worth analysis, return on investment, internal rate of return, benefit/cost ratios and positive-negative project balances; risk techniques of sensitivity analysis, optimistic-pessimistic analysis, discrete probability examples, and continuous proba作者: laceration 時間: 2025-3-25 15:17
Laminar-Turbulent Transition Research at DLRical prediction techniques. Experimental identification and theoretical / numerical modeling of both the receptivity mechanisms that generate disturbances inside the boundary layer and the subsequent mechanisms that drive transitional flows into turbulence are indispensable to reach the goal of a no作者: corpus-callosum 時間: 2025-3-25 19:14
The Development of Advanced Internal Balances for Cryogenic and Conventional Tunnelsbalance technology, which allows transport performance measurements in the ETW with a repeatability of less than one drag count but also a considerable improvement of balances for conventional tunnels. For this result all aspects of the balance technology had to be treated..Finite element analysis t作者: 皮薩 時間: 2025-3-25 23:42 作者: Spinous-Process 時間: 2025-3-26 02:27
Stability Analysis of two- and three-dimensional Boundary Layer Flows with varied Wall Temperaturesd, hence, it is an effective method for laminar-flow control..In the second part we show that localized heating does not lead to any appreciable gain in stability when applied to an Airbus A340 wing. However, localized cooling over the wing-box region does have a strong stabilizing effect, and may b作者: 我不死扛 時間: 2025-3-26 07:52
Chr. Breitsamterositive-negative project balances; risk techniques of sensitivity analysis, optimistic-pessimistic analysis, discrete probability examples, and continuous proba978-3-031-79393-6978-3-031-79394-3Series ISSN 2690-0300 Series E-ISSN 2690-0327 作者: Fester 時間: 2025-3-26 10:13
Guido Dietz,Alexander Meijeringositive-negative project balances; risk techniques of sensitivity analysis, optimistic-pessimistic analysis, discrete probability examples, and continuous proba978-3-031-79393-6978-3-031-79394-3Series ISSN 2690-0300 Series E-ISSN 2690-0327 作者: 因無茶而冷淡 時間: 2025-3-26 16:41
H. Dütsch,S. Becker,H. Lienhartositive-negative project balances; risk techniques of sensitivity analysis, optimistic-pessimistic analysis, discrete probability examples, and continuous proba978-3-031-79393-6978-3-031-79394-3Series ISSN 2690-0300 Series E-ISSN 2690-0327 作者: Obsessed 時間: 2025-3-26 18:29 作者: 媽媽不開心 時間: 2025-3-27 00:55
E. Elsholz,H. Steinmeyerositive-negative project balances; risk techniques of sensitivity analysis, optimistic-pessimistic analysis, discrete probability examples, and continuous proba978-3-031-79393-6978-3-031-79394-3Series ISSN 2690-0300 Series E-ISSN 2690-0327 作者: FOR 時間: 2025-3-27 01:58 作者: 舊石器時代 時間: 2025-3-27 08:57
B. Ewald,P. Kreuzerositive-negative project balances; risk techniques of sensitivity analysis, optimistic-pessimistic analysis, discrete probability examples, and continuous proba978-3-031-79393-6978-3-031-79394-3Series ISSN 2690-0300 Series E-ISSN 2690-0327 作者: 亞當(dāng)心理陰影 時間: 2025-3-27 13:05
New Results in Numerical and Experimental Fluid MechanicsContributions to the作者: 鐵塔等 時間: 2025-3-27 15:38
Norbert Krolldeals with the “why” of internationalisation: what are the company’s needs or issues that internationalisation will address? A second set of missions focuses on the “where” of internationalisation. Here the question lies in the choice of target countries or regions. The “how” of internationalisation作者: 粗糙濫制 時間: 2025-3-27 20:18 作者: FAZE 時間: 2025-3-28 00:39
B. Ewald,K. Hufnageldeals with the “why” of internationalisation: what are the company’s needs or issues that internationalisation will address? A second set of missions focuses on the “where” of internationalisation. Here the question lies in the choice of target countries or regions. The “how” of internationalisation作者: 平 時間: 2025-3-28 05:18
J. K. Axmann,M. Hadenfeld,O. Frommannxtensive experience working with corporations and nonprofitsIndustries that drive economic growth and support our comfortable modern lifestyles have exploited natural resources to do so. But now there’s growing understanding that business can benefit from a better relationship with the environment..作者: CLEFT 時間: 2025-3-28 09:26
M. Baumann,W. Nitschextensive experience working with corporations and nonprofitsIndustries that drive economic growth and support our comfortable modern lifestyles have exploited natural resources to do so. But now there’s growing understanding that business can benefit from a better relationship with the environment..作者: Rct393 時間: 2025-3-28 10:44
F. St. Boller,P. G. Fisch,A. Merten,K. Moldenhauergineering and business to strategic cost tools for project cost evaluations. The three main sections are as follows. (1) Cost Relationships, Financial Statements, and Performance Measures—This section describes the relationships between cash flows and profits; the relationships between financial sta作者: 伙伴 時間: 2025-3-28 15:14
Chr. Breitsamterents in engineering and business to strategic cost tools for project cost evaluations. The three main sections are as follows. (1) Cost Relationships, Financial Statements, and Performance Measures—This section describes the relationships between cash flows and profits; the relationships between fin作者: IRS 時間: 2025-3-28 21:12 作者: animated 時間: 2025-3-29 00:19
W. Burgsmüller,S. Thomégineering and business to strategic cost tools for project cost evaluations. The three main sections are as follows. (1) Cost Relationships, Financial Statements, and Performance Measures—This section describes the relationships between cash flows and profits; the relationships between financial sta作者: encyclopedia 時間: 2025-3-29 06:46 作者: 倫理學(xué) 時間: 2025-3-29 11:11 作者: Intellectual 時間: 2025-3-29 11:29 作者: PALL 時間: 2025-3-29 17:05
G. Eitelberg,R. Krek,N. Widdecke,W. H. Beckents in engineering and business to strategic cost tools for project cost evaluations. The three main sections are as follows. (1) Cost Relationships, Financial Statements, and Performance Measures—This section describes the relationships between cash flows and profits; the relationships between fin作者: 不知疲倦 時間: 2025-3-29 22:26
E. Elsholz,H. Steinmeyerents in engineering and business to strategic cost tools for project cost evaluations. The three main sections are as follows. (1) Cost Relationships, Financial Statements, and Performance Measures—This section describes the relationships between cash flows and profits; the relationships between fin作者: 保守黨 時間: 2025-3-30 02:50
P. Erb,B. Ewald,M. Rothents in engineering and business to strategic cost tools for project cost evaluations. The three main sections are as follows. (1) Cost Relationships, Financial Statements, and Performance Measures—This section describes the relationships between cash flows and profits; the relationships between fin作者: 事物的方面 時間: 2025-3-30 04:36 作者: Defiance 時間: 2025-3-30 09:10
Cooperation Project Aeronautical Researchraft industry is several times that spent in Europe. The German aeronautical research programme attempts to compensate for this disadvantage by greater efficiency. For this purpose, a close network is being established within which companies, universities and the national aerospace agency cooperate 作者: Pulmonary-Veins 時間: 2025-3-30 13:28
Reduction of Aerodynamic Drag (RaWid) in the national Research and Technology Programme for Aeronautan ministry for education, research and technology since July 1, 1995. Connected to this industrial programme are the cooperation programmes “MEGAFLOW” under leadership of the DLR and “Transition” by the DFG, and several contributions by DLR and universities..The programme is oriented towards techno作者: 必死 時間: 2025-3-30 17:25
National CFD Project MEGAFLOWa dependable and efficient numerical tool for the aerodynamic simulation of complete aircraft in cruise as well as in start and landing configurations, which meets the requirements for industrial implementation. This requires a concentrated cooperation with the aircraft industry, DLR and universitie作者: 財政 時間: 2025-3-30 22:00 作者: 形狀 時間: 2025-3-31 02:44
The Development of Advanced Internal Balances for Cryogenic and Conventional Tunnelsbility of the balance is the key factor in this test technology. The urgent requirement for more and more accuracy of force testing leads to a demand for more and more balance accuracy. The most urgent demand in this field comes from the Cryogenic Tunnels like the new European Wind Tunnel. Funding f作者: Benign 時間: 2025-3-31 05:13 作者: 弓箭 時間: 2025-3-31 12:38 作者: 修改 時間: 2025-3-31 13:27
Stability Analysis of two- and three-dimensional Boundary Layer Flows with varied Wall Temperaturesty of boundary-layers in air. Our work is based on numerical analysis, and is motivated by previous experimental observations that have shown a net stabilizing effect in subsonic two-dimensional boundary layers when thin heating strips are introduced near the stagnation region. Our focus is specific作者: 陶醉 時間: 2025-3-31 20:18 作者: 可卡 時間: 2025-3-31 22:45 作者: Trigger-Point 時間: 2025-4-1 02:43
Density Measurements on a Delta Wing by Means of Planar Intensity Distribution of Rayleigh Scatteredf aerodynamically relevant flow problems, first tests in the Ludwieg Tube (RWG) of the DLR G?ttingen at M=6.8 have been performed. Based on the experiences made during these first tests, the quantitative determination of the density field above a delta wing has been performed at Mach numbers between作者: Factual 時間: 2025-4-1 09:35
Close Coupling of Very High-Bypass Engines in Combination with Take-Off / Landing Configurationss (TPS) were performed in the DA-low-speed windtunnel a Bremen. For these tests on a twin-engine transport aircraft model, the turbofan engine was mounted in the basic and a close coupled position. The results showed, that the negative installation effect for a close coupling can be minimized when t作者: 窗簾等 時間: 2025-4-1 11:15
Numerical investigation of boundary-layer instabilities over a blunt flat plate at angle of attack iory. The Mach numbers range from 2.0 to 2.5 with a unit Reynolds number of 1.26 · 10./. to 0.99 · 10./. at incidences of 0. and ?10.. The full Navier-Stokes equations for two-dimensional, compressible flow are solved for the laminar basic flow by application of an Advection Upstream Splitting Method作者: diskitis 時間: 2025-4-1 15:30
Application of Two-Parameter Turbulence Models to the Prediction of Two-Dimensional Free Turbulent S the end, as an example of a more complex configuration, the flow field behind an axisymmetric body with jet is calculated. The task of the present study was to examine the reliability of two turbulence models in free shear flows, which were implemented especially for use in wall boundary layers. Kn作者: 艱苦地移動 時間: 2025-4-1 22:06
Numerical and Experimental Investigations of Flow Induced by Harmonic Motion of a Circular Cylindermensionally stable, moving structures. The two-dimensional velocity field and the force history induced by the harmonic oscillation of a circular cylinder in water at rest at Reynolds number Re=100 and Keulegan-Carpenter number KC=5 was computed accurately in time. Computations have been performed a
