You are a charcoal fire in the severe winter, a stepping stone in the shade in the hot summer, and a beacon light in the foggy sea. Teacher, you set an example, educate people well, and be a ladder, which is unforgettable!
3. The turbulent boundary layer is separated on the curved wall under the strong adverse pressure gradient, and then attached to the subsequent straight channel.
4. The increase of errors and unreliability is accompanied by a series of turbulent symptoms, from small sandstorms and storms to eddies that can only be seen on satellites and sweep across the continent.
5. When the gas turbulence changes the length of maser region, the gain will also change.
6. The increase of errors and unreliability is accompanied by a series of turbulent symptoms, ranging from small sandstorms and storms to eddy currents sweeping across the continent that only satellites can see.
7. The application of arc supersonic turbulent plate ablation test technology is introduced, which further expands its application scope.
8. The results show that whether the scaling law is satisfied or not, atmospheric turbulence will cause the spectral shift and beam expansion of polychromatic partially spatially coherent light. The beam spread of polychromatic partially spatially coherent light is less affected by turbulence than that of polychromatic fully spatially coherent light.
9. At the same time, the effects of Bingham fluid yield stress and plastic viscosity on straight pipe turbulence are discussed.
10. This new method is compared with the classical method, and the advantages of completely suspending zinc powder in turbulent state are pointed out.
1 1. spatula-shaped pits washed out by turbulence on viscous bottom sediments.
12. The wind and clouds and their turbulent flow are now in the distant sky.
13. The results show that the atmospheric turbulence in the horizontal optical path has a great influence on the optical heterodyne receiver, while the turbulence in the oblique optical path has a much smaller influence.
14. Turbulence spectrum with high spatial wave number and mostly located in dissipative region can be obtained, but it is not easy to obtain turbulence spectrum in this region by other methods.
15. The starting process of supersonic wind tunnel involves turbulence, shock wave and mixed flow of low subsonic speed and hypersonic speed, which is a very complicated transient process.
16. In the experiment, it is observed that the friction lines on the ellipsoid have different topological structures in laminar and turbulent states.
17. A bias reduction method for calculating the autocorrelation function of wall turbulence signal is proposed, which improves the calculation accuracy of autocorrelation function.
18. Based on the existing data of turbulent wake plasma flow field, the influence of turbulent plasma flow in reentry wake on radar cross section is analyzed.
19. Based on the assumption of isotropic turbulence in tangential combustion boiler, the characteristic frequencies of each point in the furnace are obtained.
20. Four turbulence models were used to simulate the cavitation flow of NACA66 hydrofoil, and the effects of different turbulence models and wall functions on the simulation results of cavitation flow were analyzed.
2 1. The greater the atmospheric turbulence intensity, the higher the cutoff frequency of the adaptive optical system, and the greater the influence of crosswind.
22. Among the components of heat balance, latent heat flux accounts for the largest proportion of net radiation, while turbulent heat flux and soil heat flux are smaller.
23. The influence of atmospheric turbulence on laser communication system.
24. In this paper, the body-fitted orthogonal curve grid is used to calculate turbulence with viscous layer model.
In the process of our growth, we are accompanied by our deep love for our teachers. The teacher is the charcoal fire in winter, the shade in summer, the stepping stone in turbulence and the lighthouse in the foggy sea. Teachers use the nectar of knowledge to breed delicious fruits, and use the clear spring of mind to moisten ideal flowers.
26. This paper expounds how to apply adaptive optics technology to space laser communication system engineering to compensate the influence of atmospheric turbulence effect on laser beam transmission.
27. The results show that the main causes of corrosion thinning and perforation leakage of air cooler tube bundle under failure environment are electrochemical corrosion, pitting corrosion, turbulent corrosion and erosion and their interaction.
28. Using IFA300 two-dimensional constant temperature hot wire anemometer system, the cold flow field of double swirl gas burner model was experimentally studied, and the instantaneous velocity distribution and turbulent intensity characteristics at different positions of the flow field were measured.
29. Diffused light and heat show a widely distributed warehouse of raw materials, which are stored in our galaxy and used to build new stars. In this image, the huge impact of the Milky Way galaxy produced a large-scale turbulence, which made these star-making substances condense into a silk screen. ..
30. This paper briefly reviews and comments on the past work, and discusses the influence of excessive attenuation, wind and turbulence on this measurement.
3 1. Based on the mixed process theory commonly used in the theory of stellar structure and evolution, the macroscopic stress expressed by turbulence is introduced into the hydrostatic equilibrium equation in the model of stellar structure and evolution.
32. The coherence length of convective turbulence cell used in adaptive optical compensation experiment is measured and compared by different methods.
33. People who firmly believe will always get closer. Even if there are rough waves, eyes can focus on the burning red cliff. Doubt will go further and further, even if the lips and teeth are offset, my thoughts will inevitably be unable to get rid of Maicheng. Liu Tong
34. In the past, it was not appropriate to measure the shear history of fluid pipe flow by the average shear rate of cross section or the shear rate of pipe wall during turbulence.
35. The increase in errors and unreliability is accompanied by a whole set of symptoms of turbulence, from sandstorms and storms to eddy currents that can only be seen by satellites.
36. The smaller the coherence length, the greater the beam order, and the less the Strehl ratio of partially coherent flat-topped beam sequence is affected by turbulence.
37. Based on the design principle of traditional turbulence controller and centrifugal tundish, we put forward a new scheme-cyclone tundish.
38. The measurement results of cooling effect of hard wire and soft wire show that turbulent cooler has higher cooling effect than direct injection cooler.
This newly discovered turbulent state consists of a large number of elements existing in the turbulent dry structure, which is described by the research group as "knotted vortex tapestry"
40. The longitudinal and transverse turbulence velocity pulsations of jet and cylindrical wake are measured experimentally, and the scaling laws of turbulence velocity structure functions in these two directions are calculated.
4 1. It is suggested that there may be a causal relationship between the downstream flow field uniformity and turbulent shear stress of the heart valve and the valve injury, which is worthy of further study.
42. The analysis of the existing experimental data shows that in the gas-solid two-phase flow with temperature field, the turbulent intensity and kinetic energy of the two-phase flow field will increase, while the transverse velocity will decrease.
43. The distribution of total kinetic energy of turbulence does not decrease monotonically with height, and there are two maxima near the height of 30m and 150m.
44. As a result, in addition to less turbulence, a better discharge flow can be obtained in the supply area of the ingot mold, and the discharge device for melting steel is located in this area.
45. The formula for calculating the absolute error of resistance coefficient along the turbulent region is given.
46. The purpose of testing the turbulent velocity field of parking machine is to gradually reveal the structure and characteristics of the turbulent flow field of parking machine, and provide some useful references for the design and improvement of parking machine.
47. According to the atmospheric theory of turbulence, the atmospheric coherence length of Manjueshan Station in Tiantai was measured, and the result was about 6 cm.
48. The mathematical statistics of turbulent pulsation signals can be divided into large sample statistics and local time-frequency analysis.
49. Finding an optimized method to maintain the uniformity of surface wind speed and reduce the turbulence of surface wind speed is of great significance to maintain the cleanliness of the area below fan filter units.
50. The lower limit of the region dominated by molecular diffusion is about 120 km, which is called the top of the turbulent layer.
5 1. With the help of the renormalization group two-parameter turbulence model, the control equation of airflow in the diffuser is established.
52. Although I still study after work, it is far from pure as our student days. Recalling those beautiful days when the sun was full, I lamented that the years were in a hurry. In times of turmoil, don't forget your active attitude and find the position that suits you best.
53. In this paper, the theory of turbulent burst is applied to the study of sediment carrying capacity under the combined action of tidal current and waves.
54. Study the scaling law of turbulence structure function.
55. Taking turbulence pulverizer as the research object, this paper introduces the present situation of superfine pulverizing equipment and the development trend of superfine pulverizing technology, and expounds the necessity of studying turbulence pulverizer.
56. If the temperature of nebula gas is known, the size of turbulence can be directly deduced from the observed spectral line width.
57. In this paper, the existing PDF models of two-phase turbulence are investigated by using the probabilistic fluid theory in statistical physics, and it is found that various PDF models are only PDF transport equations at different stages in the process of dimensionality reduction of probabilistic fluid phase space.
58. The results show that the model can reasonably simulate different surface heat balance, surface air temperature, mixing layer height, turbulent exchange coefficient, turbulence kinetic energy, potential temperature profiles and their diurnal variations.
59. The results show that the fuel dispersion process can be divided into acceleration stage, deceleration stage and turbulence stage.
60. The increase in errors and unreliability is accompanied by a series of symptoms of turbulence, from sandstorms and storms to eddy currents sweeping across the continent that can only be seen by satellites.
6 1. I'm afraid to live in the melting pot of molten iron forever. At the peak of heat and pain, I am awake and I exist. I look forward to coma and death, and I am afraid that the mother who warms the wanderer is not the starting point. I am afraid that time will corrode everything and make the seeker lonely. Zhou Yunpeng
62. Convective motion is not laminar but turbulent.
63. The problem of statistical ensemble averaging in the analysis of plasma turbulence diagnostic data is discussed.
64. The calculation results of Strehl ratio of low-order modes of atmospheric turbulence phase wavefront after complete correction and tilt partial correction are given under different atmospheric turbulence intensities and different spatial frequency reduction factors of phase spectrum.
65. Based on the statistical theory of turbulence and field observation data, the scale characteristics of turbulence autocorrelation, spatial correlation and turbulence integration on the leeward side of forest belt were analyzed in detail.
66. Using water as experimental medium, the turbulent resistance of SK static mixer was measured experimentally, and the experimental formula was regressed.
67. The influence of compressibility on asymmetric flow development of slender body is discussed by numerical simulation of turbulent flow field of slender body at high angle of attack.
68. Mother is the charcoal fire in winter. Mother is the shade in the heat. Mother is a stepping stone in the torrent. What's under "poison" It's mom, giving birth to us and raising our mom! -cherish life and stay away from drugs! -For mom!
69. Based on the understanding of the simulation mechanism, the upper shape of the irregular wedge is helpful to simulate the turbulent wind field needed for large-scale model test.
70. We think that the turbulent pressure effect may be the physical reason why RGB stars with low effective temperature and low radiation pressure produce strong stellar winds and AGB stars produce superstars.
7 1. Using the method of scale factor moment, we analyzed the distribution of relative return correlation coefficient and found the turbulence phenomenon.
72. In the Dejiang River, the distinguished navy general swam backstroke, waded and dived for a while, showing a variety of swimming strokes and skillfully avoiding dangerous rocks in the turbulent current.
Lavrov said, "The unipolar world order will cause turmoil. In the face of this complex environment, the Russian Federation's diplomacy should strive to be cautious and resolute, resolutely defend its legitimate interests, but not seek confrontation with anyone. "
74. The fast-flowing streams, shady forests and unique cliff landscape in the valley can be said to be excellent summer resorts.
75. In front of us are beautiful mountains. The lake is surging, and water, light and mountains complement each other. However, it is a small green Songhai, and pine trees are covered with needles, which looks like crystal clear jasper in the sun, which makes people think deeply.