標(biāo)題: Titlebook: Aircraft Wake Turbulence and Its Detection; Proceedings of a Sym John H. Olsen,Arnold Goldburg,Milton Rogers Conference proceedings 1971 Pl [打印本頁] 作者: 全體 時(shí)間: 2025-3-21 19:03
書目名稱Aircraft Wake Turbulence and Its Detection影響因子(影響力)
書目名稱Aircraft Wake Turbulence and Its Detection影響因子(影響力)學(xué)科排名
書目名稱Aircraft Wake Turbulence and Its Detection網(wǎng)絡(luò)公開度
書目名稱Aircraft Wake Turbulence and Its Detection網(wǎng)絡(luò)公開度學(xué)科排名
書目名稱Aircraft Wake Turbulence and Its Detection被引頻次
書目名稱Aircraft Wake Turbulence and Its Detection被引頻次學(xué)科排名
書目名稱Aircraft Wake Turbulence and Its Detection年度引用
書目名稱Aircraft Wake Turbulence and Its Detection年度引用學(xué)科排名
書目名稱Aircraft Wake Turbulence and Its Detection讀者反饋
書目名稱Aircraft Wake Turbulence and Its Detection讀者反饋學(xué)科排名
作者: Detoxification 時(shí)間: 2025-3-21 22:37
Das Maschinenzeichnen des Konstrukteursollows one of two patterns, depending on whether Q is less than or greater than a critical value Qcrit. If Q < Qcrit, the circulation decreases more rapidly than the momentum and the vortices separate as they descend to an equilibrium level. If Q > Qcrit, the momentum of the vortices decreases more 作者: Alpha-Cells 時(shí)間: 2025-3-22 01:14
https://doi.org/10.1007/978-3-662-29212-9film element. For Reynolds numbers less than approximately 5 × 10., the heat flux to the upstream split film is greater than the downstream. This is used to detect the sense of the velocity component normal to the sensor. Such information from all three orthogonal sensors yields the octant of the ai作者: 弄污 時(shí)間: 2025-3-22 06:31
Anordnung der Ansichten und Schnitte,difficult to separate the various mechanisms responsible for the vortex decay..This paper describes a pilot study of trailing vortices using a sub-scale model in a more controllable laboratory environment. The essential feature of this laboratory facility is to have a vortex-generating wing moving a作者: 火海 時(shí)間: 2025-3-22 12:43
Das Maschinenzeichnen des Konstrukteursce structure. Limited flight tests with a dissipater fitted to a Convair 990 wing tip and using a Lear jet aircraft as a probe indicated that the rolling acceleration and the degree of roll control required was less in the modified vortex than in the unmodified vortex.作者: 逢迎春日 時(shí)間: 2025-3-22 16:35
Gesamtzeichnungen und sonstige Zeichnungen,d a 13-foot-span C-130 wind-tunnel model, mounted in a 23-foot by 16-foot working section, showed remarkable coherence until the adverse pressure gradient in the wind-tunnel diffuser caused vortex bursting. The effects, on vortex burst posi-tion in the diffuser, of auxiliary blowing into or near the作者: 笨拙處理 時(shí)間: 2025-3-22 17:05
,Abgekürzte, vereinfachte Darstellung,exhausts of certain aircraft with wing mounted engines..Vortex flow velocities were obtained using hot-film/hot-wire sensors..Measured tangential velocities were approximately double those velocities predicted by certain theory (which assumes an elliptical lift distribution) ..Distinct vortex charac作者: 托人看管 時(shí)間: 2025-3-22 23:29
,Der Konstrukteur und das Werkstück,are two distinct mechanisms advanced for vortex wake decay-- the slowing down of the vortices by mixing action of eddy viscosity, and the interaction of the vortices with each other, which disorganizes the organized vortex flow field. The slowing down by eddy viscosity is conceptually simple, but is作者: Saline 時(shí)間: 2025-3-23 01:53 作者: labile 時(shí)間: 2025-3-23 06:54
Studies in the Motion and Decay of Vorticesviscid theory ignores the diffusion of vorticity in the core. For a general three dimensional problem, the present scheme of analysis can be carried out provided the shape of the vortex line and the three dimensional flow field fulfill a constraint condition. This condition is automatically fulfille作者: Bridle 時(shí)間: 2025-3-23 10:07
Transport of a Vortex Wake in a Stably Stratified Atmosphereollows one of two patterns, depending on whether Q is less than or greater than a critical value Qcrit. If Q < Qcrit, the circulation decreases more rapidly than the momentum and the vortices separate as they descend to an equilibrium level. If Q > Qcrit, the momentum of the vortices decreases more 作者: gain631 時(shí)間: 2025-3-23 15:42 作者: 陳腐思想 時(shí)間: 2025-3-23 18:49 作者: photophobia 時(shí)間: 2025-3-24 01:17
An Experimental Investigation of Trailing Vortices Behind a Wing with a Vortex Dissipatorce structure. Limited flight tests with a dissipater fitted to a Convair 990 wing tip and using a Lear jet aircraft as a probe indicated that the rolling acceleration and the degree of roll control required was less in the modified vortex than in the unmodified vortex.作者: offense 時(shí)間: 2025-3-24 05:21
Vortex Wake Development and Aircraft Dynamicsd a 13-foot-span C-130 wind-tunnel model, mounted in a 23-foot by 16-foot working section, showed remarkable coherence until the adverse pressure gradient in the wind-tunnel diffuser caused vortex bursting. The effects, on vortex burst posi-tion in the diffuser, of auxiliary blowing into or near the作者: nugatory 時(shí)間: 2025-3-24 07:36
Measurements of Boeing 747, Lockheed C5A and Other Aircraft Vortex Wake Characteristics by Tower Flyexhausts of certain aircraft with wing mounted engines..Vortex flow velocities were obtained using hot-film/hot-wire sensors..Measured tangential velocities were approximately double those velocities predicted by certain theory (which assumes an elliptical lift distribution) ..Distinct vortex charac作者: 召集 時(shí)間: 2025-3-24 13:01
An Assessment of Dominant Mechanisms in Vortex-Wake Decayare two distinct mechanisms advanced for vortex wake decay-- the slowing down of the vortices by mixing action of eddy viscosity, and the interaction of the vortices with each other, which disorganizes the organized vortex flow field. The slowing down by eddy viscosity is conceptually simple, but is作者: 組成 時(shí)間: 2025-3-24 17:52
Theoretical and Experimental Study of the Stability of a Vortex Pairs then considered in terms of the more general model for self-induced motion of the sinusoidal vortex. The presence of axial velocity within the core slightly decreases the amplification rate of the instability. Experimental results for the distortion and breakup of a perturbed vortex pair are prese作者: 緊張過度 時(shí)間: 2025-3-24 20:48 作者: linguistics 時(shí)間: 2025-3-24 23:19 作者: dilute 時(shí)間: 2025-3-25 05:50
https://doi.org/10.1007/978-1-4684-8346-8air traffic; control; control system; detection; development; future; information; planning; radar; research; 作者: 考古學(xué) 時(shí)間: 2025-3-25 11:21
978-1-4684-8348-2Plenum Press, New York 1971作者: interlude 時(shí)間: 2025-3-25 13:32
http://image.papertrans.cn/a/image/151880.jpg作者: COWER 時(shí)間: 2025-3-25 19:53 作者: enterprise 時(shí)間: 2025-3-25 23:57 作者: Exposition 時(shí)間: 2025-3-26 02:34
Some Work at the Royal Aircraft Establishment on the Behaviour of Vortex Wakesstraight and swept wings are described. The results of observations on the formation of loops in a vortex wake, on the behaviour of the wakes close to the ground and on the development of the wake from a slender wing are, given in some detail.作者: dragon 時(shí)間: 2025-3-26 04:52 作者: sorbitol 時(shí)間: 2025-3-26 11:17
Flight Evaluation of the Wing Vortex Wake Generated by Large Jet Transportse transport aircraft and future jumbo jet transports. The tests were conducted to evaluate the wake location, persistence, apparent intensity, and influence out of ground effect and primarily under terminal area configuration and operational conditions.作者: AXIOM 時(shí)間: 2025-3-26 15:11 作者: Self-Help-Group 時(shí)間: 2025-3-26 18:23
,Abgekürzte, vereinfachte Darstellung,eak velocities are shown to occur in small intense vortices which are separate from the main tip vortices These exist up to 30 seconds after generation. The main tip vortices are shown to have a core size which is roughly of the size anticipated but whose diameter does not increase significantly up to 30 seconds after generation.作者: GOAT 時(shí)間: 2025-3-26 21:09
Anordnung der Ansichten und Schnitte,straight and swept wings are described. The results of observations on the formation of loops in a vortex wake, on the behaviour of the wakes close to the ground and on the development of the wake from a slender wing are, given in some detail.作者: 錯(cuò) 時(shí)間: 2025-3-27 03:16 作者: 蘆筍 時(shí)間: 2025-3-27 07:58
Das Maschinenzeichnen des Konstrukteurse transport aircraft and future jumbo jet transports. The tests were conducted to evaluate the wake location, persistence, apparent intensity, and influence out of ground effect and primarily under terminal area configuration and operational conditions.作者: Foment 時(shí)間: 2025-3-27 09:30 作者: 贊美者 時(shí)間: 2025-3-27 15:20
https://doi.org/10.1007/978-3-642-92635-8tribution of vorticity in the core and an arbitrary circumferential velocity. A definition of velocity is given for the unsteady diffusing ring in a viscous fluid, and the speed is found by the method used for rings in ideal fluids.作者: 迷住 時(shí)間: 2025-3-27 18:09 作者: travail 時(shí)間: 2025-3-27 22:22 作者: 男生如果明白 時(shí)間: 2025-3-28 03:45
https://doi.org/10.1007/978-3-662-29212-9th a probe consisting of three, orthogonal, hot-film sensors. However, this measurement requires an a priori knowledge of the octant of the velocity vector. The new probe has a similar configuration but uses three split-film sensors to provide automatic octant indication. Each hot-film sensor consis作者: Arthritis 時(shí)間: 2025-3-28 09:31
Anordnung der Ansichten und Schnitte,e vortices shed by one airplane with another airplane, (3) measurements of the vortices shed by a low-flying airplane with ground-based instruments. The wind-tunnel method is suitable for the study of vortex formation, but not the long-time decay process. The second method would have been the most r作者: hazard 時(shí)間: 2025-3-28 14:10 作者: 小樣他閑聊 時(shí)間: 2025-3-28 16:33 作者: 瑪瑙 時(shí)間: 2025-3-28 22:30
,Abgekürzte, vereinfachte Darstellung,eak velocities are shown to occur in small intense vortices which are separate from the main tip vortices These exist up to 30 seconds after generation. The main tip vortices are shown to have a core size which is roughly of the size anticipated but whose diameter does not increase significantly up 作者: NEG 時(shí)間: 2025-3-29 01:21 作者: jungle 時(shí)間: 2025-3-29 06:03
Das Maschinenzeichnen des Konstrukteurs theory show that the stronger vortex moves from the tip of the wing to the hinge of the drooped tip as the droop angle increases. Experimental results on model wings are given which present the strength and the induced velocity profiles of the rolled-up vortex as a function of tip geometry. These r作者: anaerobic 時(shí)間: 2025-3-29 10:02
Anordnung der Ansichten und Schnitte,straight and swept wings are described. The results of observations on the formation of loops in a vortex wake, on the behaviour of the wakes close to the ground and on the development of the wake from a slender wing are, given in some detail.作者: 無意 時(shí)間: 2025-3-29 13:29 作者: CROW 時(shí)間: 2025-3-29 17:59
Das Maschinenzeichnen des Konstrukteursuft grid and smoke. Preliminary studies showed that the introduction of a bluff body into the trailing vortex downstream of the wing resulted in modification of the vortex. Further studies showed that a small vertical panel, termed a vortex dissipater, mounted on the wing upper surface near the wing作者: craving 時(shí)間: 2025-3-29 21:32
Gesamtzeichnungen und sonstige Zeichnungen,aft response results were reported at the end of Session VI of the Symposium..Calculations of the sinuous instability of a trailing pair are extended, using a nonlinear vortex modeling technique, and the effects of initial parameters are examined, particularly the ini-tially assumed wavelength. Real作者: 干旱 時(shí)間: 2025-3-30 01:39
,Abgekürzte, vereinfachte Darstellung,Commission (ESSA/AEC) facility, Idaho Falls, Idaho, and the National Aviation Facilities Experimental Center (NAFEC), Atlantic City, New Jersey, during the period 18’February 1970 through 3 August 1970 to gather quantitative data on aircraft vortex wake characteristics using the tower fly-by tech-ni作者: vitrectomy 時(shí)間: 2025-3-30 07:53 作者: 贊美者 時(shí)間: 2025-3-30 09:02
,Der Konstrukteur und das Werkstück,ar identification of the various significant factors and mechanisms involved in the transport/decay process. Outside of the ground effect, the dominant factors include the cir-culation and core characteristics of the vortices, the turbulence in the wake and in the environment, and the thermal stabil作者: 不合 時(shí)間: 2025-3-30 14:14
Der Konstrukteur und die Zeichnung,l solution for the flow field within and near a curved vortex filament with an arbitrary distribution of swirl and axial velocities. The velocity field induced in the neighborhood of the vortex core by distant portions of the vortex line is calculated for a sinusoidally perturbed vortex filament and作者: 辯論 時(shí)間: 2025-3-30 17:50 作者: Precursor 時(shí)間: 2025-3-30 22:12 作者: 復(fù)習(xí) 時(shí)間: 2025-3-31 03:48
Studies in the Motion and Decay of Vorticesrtex. A general scheme is presented for the matching of the inner viscous core of the vortex to the outer inviscid solution. The singularities in the inviscid theory are removed and the condition of regularity in the flow field defines the velocity of the vortex line. This general scheme is applied 作者: Coronary 時(shí)間: 2025-3-31 08:58 作者: saturated-fat 時(shí)間: 2025-3-31 09:50
Split-Film Anemometer Sensors for Three-Dimensional Velocity-Vector Measurementth a probe consisting of three, orthogonal, hot-film sensors. However, this measurement requires an a priori knowledge of the octant of the velocity vector. The new probe has a similar configuration but uses three split-film sensors to provide automatic octant indication. Each hot-film sensor consis作者: 贊成你 時(shí)間: 2025-3-31 15:10
Sub-Scale Modeling of Aircraft Trailing Vorticese vortices shed by one airplane with another airplane, (3) measurements of the vortices shed by a low-flying airplane with ground-based instruments. The wind-tunnel method is suitable for the study of vortex formation, but not the long-time decay process. The second method would have been the most r作者: BLUSH 時(shí)間: 2025-3-31 20:10
The Utility of Doppler Radar in the Study of Aircraft Wing-Tip Vorticesntal methods are undertaken to investigate the potential value of the Doppler radar approach. The first method involves injection of radar reflecting chaff into the wing-tip vortex of an aircraft in flight, and subsequently recording the Doppler spectrum of the return from the chaff packet as obtain作者: 惰性氣體 時(shí)間: 2025-4-1 00:25
Application of Laser Doppler Systems to Vortex Measurement and Detectionshift undergone by a beam of radiation when scattered by particles suspended in the flows. From the measurement of this difference frequency between the scattered and the reference laser light and knowledge of the geometry of the system, the velocity is directly determined. A three-dimensional syste作者: bypass 時(shí)間: 2025-4-1 03:13
An Analysis of Flight Measurements in the Wake of a Jet Transport Aircrafteak velocities are shown to occur in small intense vortices which are separate from the main tip vortices These exist up to 30 seconds after generation. The main tip vortices are shown to have a core size which is roughly of the size anticipated but whose diameter does not increase significantly up 作者: hypotension 時(shí)間: 2025-4-1 08:22 作者: 過分 時(shí)間: 2025-4-1 12:37
The Effect of a Drooped Wing Tip on Its Trailing Vortex System theory show that the stronger vortex moves from the tip of the wing to the hinge of the drooped tip as the droop angle increases. Experimental results on model wings are given which present the strength and the induced velocity profiles of the rolled-up vortex as a function of tip geometry. These r作者: saturated-fat 時(shí)間: 2025-4-1 16:00
Some Work at the Royal Aircraft Establishment on the Behaviour of Vortex Wakesstraight and swept wings are described. The results of observations on the formation of loops in a vortex wake, on the behaviour of the wakes close to the ground and on the development of the wake from a slender wing are, given in some detail.
