mach造句
31. I quickly increased our speed, calculating the time it would take for the weapons-most likely SA-2 and SA-4 surface-to-air missiles capable of Mach 5 - to reach our altitude.
32. The aim is to fly at about Mach 2, twice the speed of sound.
33. The profiles of density, velocity, temperature, pressure and Mach number can be obtained by the computation.
34. For superheated steam and clean gas, a valve outlet mach number below 0.4 is recommended for continuous operation and below 0.5 for intermittent operation.
35. The results show that the transition more likely happen under the situations with high azimuthal wave number and speed, and at a relatively low mach number and high Reynolds number.
36. It is shown that the attenuation coefficient will decrease obviously with the increase of Mach number, and the nonlinear acoustic resistance and acoustic mass will reduce slightly.
37. The monitoring points in different position of the turbine stage have been calculated and analyzed, the Mach number, subcooling rate and the wetness fraction oscillate periodically.
38. The results indicate that passive control technique can reduce peak Mach number on the surface of the airfoil and reduce the adverse pressure gradient, shock is also weakened.
39. In the developed model, two key parameters, the BVI miss-distance and trace Mach number, were brought in.
40. It is responsible for loading and transferring control to an operating system kernel software (such as Linux or GNU Mach).
41. A code is developed to predict the Mach number compressible fluid flow with pressure - correction algorithm . 2 .
42. The results show that the entry vehicle is aerodynamically stable when the Mach number is more than1.2.
43. C/SiC thermal protection scheme works well up to flight mach number not exceeding 8, and only gas jet thermal protection scheme can protect strut leading edge from destruction up to Mach 8 and higher.
44. There are shock lets in the mixing layer with convective Mach number 1.2.
45. The computational results show that the thrust-vectoring angle is dependent on the freestream Mach number, nozzle pressure ratio(NPR),[http:///mach.html] the position of the injection and secondary pressure ratio(SPR).
46. The biggest lift drag ratio 3.36 considering viscous effects is obtained at Mach 6 when a proper base conical shock wave angle is chosen.
47. The velocity, temperature, pressure, and Mach number are analyzed according to the simulation result and the difference between vane diffuser and vaneless diffuser is studied.
48. This example demonstrates that a low trim exit velocity head does not result in a low noise level in the valve, unless the valve outlet mach number is low.
49. The maximum valve outlet velocity should be limited to mach 0.3 for saturated steam, due to the thermodynamic properties of the fluid.
50. The specific step and process are introduced in detail with the adoption of this method in the design of the automatic slide fastener assembly mach...
51. The critical Mach number of the same spheroids in the different medium is deduced and the effect of compressibility under the same Mach number of main flow is analyzed.
52. The increasing of the incoming flow Mach number will decrease the total pressure recovery coefficient.
53. Ramjets work Best at speeds of Mach 2 ( twice the speed of sound ) and higher.
54. The numerical simulation technique is used to investigating the isentropic Mach number distribution on the different swept height blade surfaces of a turbine last stage blades.
55. The average effective pitch damping increases with increasing angle of oscillation amplitude and decreases with increasing Mach number.
56. He'll also need to deal with the unknown and potentially tricky effects of transonic speed (that is, approaching Mach 1) on the human body.
57. At $250 million a pop, this next-gen superjet is unquestionably a champion dogfighter, all but invisible to radar and able to fly at least Mach 1.5.
58. Pilots must therefore ensure that any required corrections to indicated Mach are taken into account when complying with the True Mach number specified in the ATC clearance.
59. This method is used to design a series of nozzles. Their Mach number profiles are satisfied for the users.
60. It is necessary to simulate the high enthalpy, high pressure, Mach number and the same concentration of oxygen species as air in hypersonic flight.
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