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单词 Wind tunnel
例句
1. It was the wind tunnel which gave birth to the characteristic shape of the Boeing 747.
2. Work includes full-scale experiments, wind tunnel studies and computational fluid dynamics.
3. But the wind tunnel specifications called for this wall to be able to withstand seventy-five pounds a square foot.
4. During wind tunnel tests on the car, at the development stage, water was added.
5. The planes survived the wind tunnel test intact.
6. With its wind tunnel structure, potassium titanate whiskers will have structural heat insulation properties.
7. This wind tunnel experiment was conduced in Yongding dene for prevent wind erosion by grass.
8. This peper is based on the wind tunnel experiment data and studies the air dynamic performance of fuselage, horizontal stabilizer and fin under level wind in any direction.
9. Next, experimental investigations were completed in the wind tunnel on some modified airfoils with air jet.
10. Using a microcomputer in the wind tunnel instead of conventional SCR drive controlling equipment has been studed in this paper.
11. There exist a close coupling relation between the wind tunnel flow field parameters,[sentencedict .com] total pressure and Mach number.
12. Wind tunnel test is an important phase in the development of ram air parachutes.
13. By means of wind tunnel simulation wind loading on a CD - disk shape structure was studied.
14. Numerical simulation method is used to simulate the wind tunnel test by the combination of aerodynamicist and fluid mechanicses.
15. Wind tunnel tests of bound sub missiles ejected rearward into the base flow field are introduced.
16. By ensuring that only the most promising designs enter the wind tunnel, it has made physical evaluation more cost effective.
17. Fall through the platform, and unless you're either amazingly brave or stupid head down the wind tunnel to the left.
18. The reverse acoustic ceilings amplify the din to a decibel range appropriate for a wind tunnel.
19. The damping derivatives can only be determined experimentally in the wind tunnel or ballistic range.
20. Detailed flow field measurements were conducted in a low speed wind tunnel for both original and modified LGV's which are used in turbofan engines.
21. To investigate the aerodynamic performance effects of front guide blade to test cascade, low speed wind tunnel experiments were carried out on the two LGV cascades with and without front guide blade.
22. An experimental study of the effects of the twin vertical fins position and twist strake wing on a fighter aerodynamic characteristics was performed in the wind tunnel.
23. About the experiment, these experiments were conducted in the free stream wind tunnel, and vitiated air heater was used to simulate the high altitude flow condition.
24. The experiments are conducted with small parallelepiped samples vertically placed in a wind tunnel.
25. To investigate the performance characteristics of these fins, 9 single row finned tube heat exchangers sample were tested in a suction opened circuit thermal wind tunnel for a number of geometers.
26. Besides that, the realizability of the similarity criterion for the PER walls' modeling in actual wind tunnel tests was investigated.
27. Exterior flow field measurement above smooth and different riblet surfaces was carried out in a low speed wind tunnel by means of hot-wire anemometry.
28. The threshold velocities of particles and the alternation of blown-up dust against the wind velocity are then measured in wind tunnel.
29. Experimental study on heat transfer and flow resistance of louver fins with 8 different structural parameters were carried out on a wind tunnel test rig.
30. Scientists filmed maple seeds as they wafted through a smoke-filled wind tunnel.
31. It was found that the output power of ram air turbine can satisfy the flight refuel needs on conditions that the air speed of wind tunnel is 16% lower than the minimal flight speed of aircraft tanker.
32. However, a new agreement was reached for Old Dominion University to operate the facility, and the wind tunnel was used for several more years by many groups, including NASCAR teams.
33. Others were built for even larger airplanes, including the world's largest wind tunnel at NASA's Ames Research Center south of San Francisco.
34. In this paper aerodynamic characteristics of maneuvering reentry vehicle of cruciform configuration and bifurcate configuration are compared by means of the wind tunnel test results.
35. Based on the wind tunnel tests for large span cantilevered flat roof, the distributing characteristics of mean local shape factor and extreme local shape factor of the roof are studied.
36. An aeroelastic model for a UHV power transmission tower and its conductors was designed according to the law of similarity and tested in an atmospheric boundary layer wind tunnel.
37. Flight behavior of the oriental armyworm Mythimna separata(Walker) moth in airflow was studied systematically using wind tunnel and scanning entomological radar.
38. By means of wind tunnel simulation, characteristics of wind loading on membrane cantilever structures of concave and convex shape are studied corresponding to Zhaoyuan and Dazhou Stadium in China.
39. Three main methods, site measurement, wind tunnel test and numerical simulation techniques are commonly used for the study of wind-induced interference effects on buildings.
40. A hot-wire turbulence spectral analyzer for measuring the power spectrum of wind tunnel fluctuation flow was designed and constructed, basing on the principle of spectrum - analysis.http://
41. In particular, wind tunnel testing has become a useful and practical tool in these endeavors.
42. This paper introduces a wind tunnel experiment technique of side - back jet, aerodynamic interactions and predict method.
43. Wind tunnel test is usually used to analyze the wind - induced response of super - high - rise buildings .
44. Finally, the rain - wind induced vibration wind tunnel tests are conducted to verify the method.
45. Wind tunnel test indicated that the volatiles of Ulmus pumila and Ricinus communis have high efficiency to attract Holotria diomphalia.
46. It is not correct to think of the wind tunnel having uniform flow.
47. It'should be noted that a balance is not always required in a wind tunnel.
48. The wind speed profile turbulence integral scale, and turbulence spectrum are simulated in wind tunnel test.
49. A new induction driven transonic wind tunnel(Type IDT-1A), conceived as a pilot unit for the future new transonic wind tunnel project in B. I. A. A.
50. Setting very low speeds in a wind tunnel is always a vexatious problem.
51. NET and the design of data module in Wind Tunnel Control System.
52. Meteorology. Wind measurements. Wind tunnel test methods for rotating anemometer performance.
53. The layout of developing the large dimension wind tunnel, high Reynolds number wind tunnel, high-energy facility, will improve the simulative ability of wind tunnel and enhance the testing level.
54. The main contributions of the paper are as follows: (1) An indraft heat transfer wind tunnel has been optimized designed based on CFD.
55. Any flight test and wind tunnel correlation always suffers from a great number of unknowns.
56. High angle of attack wind tunnel test techniques is necessary for development of high - maneuverability flight vehicles.
57. Based on rigid model wind tunnel test, wind-induced responses of a neotype hybrid-structure with cable-net curtain walls(a large-scale museum structure) are computed.
58. Having its own bespoke wind tunnel gives Team McLaren Mercedes many advantages.
59. In order to predict the dust pollution caused by handling acinose ore on the bulk dock of Zhen Jiang Harbour, an analogue test is carried out in the wind tunnel.
60. The flow field of the wing tip vortex, which shed from a rectangular wing, is surveyed by a seven holes probe in a low speed wind tunnel.
61. This paper introduces concisely the total design of a subminiature wind tunnel which has been devised for hydro-dynamics laboratory.
62. The measurement of the model angle of attack is a key part in wind tunnel test.
63. The researchers studied 31 tail feathers from 14 species of hummingbirds. They placed the feathers in a wind tunnel and used a Doppler vibrometer to measure the vibrations.
64. Good agreement are obtained between the numerical results with arc wind tunnel tests and flight verification testing results.
65. In this paper measured data and curves obtained by testing full scale suspension insulator string and jumper wire in large wind tunnel are introduced.
66. Wind induced interference effects between two tall buildings are experimentally studied in TJ 1 wind tunnel using high frequency force balance technique.
67. As the bottom of the van-body truck is considerably high, the influence of the ground boundary layer can be ignored in the wind tunnel simulation of ground effect.
68. The present work investigates the possibility of using the biplane configurations to improve the aerodynamic characteristics of fixed-wing MAV through low speed wind tunnel experiments.
69. A method of calculating elastic curve for semiflexible plate wind tunnel nozzle has been presented, based on the linear theory of small deflection of beam deformation, in this paper.
70. Turbulence, Air Pollution Simulating and Other Wind Engineering Simulation with Wind Tunnel.
71. This paper describes a new intelligent digital anemometer for the measurement of wind tunnel flow velocity based on the Pitot-static tube.
72. WEST BRIGHT supplies wind tunnel control equipment for aviation field, trailer control system for the biggest water-power laboratory in Asia and kinds of test and control systems for many labs.
73. FL-7 is a continuous transonic wind tunnel, which is powered by three engines. Mach number is adjusted by the rotating speed of engines, the flexible wall nozzle and the by-pass valve.
74. According to the wind tunnel experiments, the validity of the design and simulation technique was proved.
74. is a online sentence dictionary, on which you can find nice sentences for a large number of words.
75. A wind tunnel test of rigid model has been conducted on the twin - tower building.
76. This paper introduces a wind tunnel experimental method of projectile with jet from its forebody and influence of jet on aerodynamic characteristics of projectile.
77. The scale effects in wind tunnel modelling tests are studied.
78. The measurement and control system plays a vital role in the wind tunnel test. The management software is a key to the automatic measurement and control system of the wind runnel test.
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