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对流凝结
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  convective condensation
     (5) The cumulus convective condensation heating and the radiation with cloud;
     (5)积云对流凝结加热和云天辐射;
短句来源
     (6) The cumulus convective condensation heating and the latent and sensible heat fluxes on the sea surface;
     (6)积云对流凝结加热和洋面上的潜热感热通量;
短句来源
     This paper presents experimental investigation on convective condensation heat transfer characteristics of alternative refrigerant R-134a in a helical pipe.
     对替代制冷剂R - 1 34a在螺旋管内的对流凝结换热特性进行了实验研究。
短句来源
     In this paper, we discussed the effects of the profile of convective condensation heating on unstable mode in a cylindrical model which included Ekman-CISK and CMM-CISK.
     本文用综合考虑Ekman-CISK和CMM-CISK机制的柱对称模型,讨论了对流凝结加热廓线对不稳定波的影响。
短句来源
     the double-peak structure of Q 2 at the early stage of heavy rainfall is relevan t to the drying associated with convective condensation of both stratocumulus at the lower levels and cumulus at the middle levels;
     在暴雨初期 ,Q2 的双峰结构与低空层积云及中空积云对流凝结变干有关 ;
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  convection condensation
     Calculation of Forced Convection Condensation of Steam in a Vertical Tube in the Presence of a Noncondensable Gas
     不凝性气体存在时蒸汽在竖管内强制对流凝结换热的计算
短句来源
     Experimental Study of Forced Convection Condensation Heat Transfer of Steam-Air Mixtures on Horizontal Three-Dimensional Externally Finned Tube
     水平三维肋管管外高不凝性气体含量水蒸气强制对流凝结换热实验研究
短句来源
     In this paper the symmetric instability is studied when the condensation heating existing. The wave-CISK parameterized scheme is used in the convection condensation heating term.
     本文主要研究了存在凝结加热时的对称不稳定,对流凝结加热采用了Wave-CISK方案.
短句来源
     The calculation results show that the disturbance, of propagating symmetric instability is produced through CISK mechanism and the propagating direction, the growing rate and the structure of disturbance are affected by convection condensation heating.
     计算结果表明对流凝结加热通过CISK机制可以产生传播的对称不稳定扰动,且对扰动的传播方向、增长率及结构有影响.
短句来源
     The direct effects of large-scale condensation precipitation and cumulus convection condensation precipitation on the ambient pressure field and the geopotential height field are studied.
     研究了大气中的大尺度凝结降水和积云对流凝结降水对于环境气压场与位势高度场的直接影响。
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  “对流凝结”译为未确定词的双语例句
     The convective precipitation is 60- 70% of the total precipitation in the 381km grid model, and only 10% in the 47.625km grid model .
     对381km格网,次网格对流凝结降水占总降水的60%以上,格点尺度凝结降水不足40%. 而对47.625km网格,格点尺度凝结降水增加到90%,次网格对流凝结却只有10%左右.
短句来源
     (2)convective LHR is obviously much more than large-scale stable LHR with its center at 650 to 550hPa and its intensity proportional to that of precipitation.
     (2)在此次梅雨锋暴雨过程中对流凝结潜热的释放明显大于大尺度稳定凝结潜热的释放,且主要集中在650hPa—550hPa,它的强弱变化与实际降水强度变化成正比。
短句来源
     It is found that the unstable Kelvin wave with a zonal wavenum her 1 whose period is around 40 days and eastward phase speed is between 8 and 11 longitudes per day can be excited by preferred heating of cumulus convec ti ve condensation in the middle and upper troposphere.
     研究发现,当对流层中、上层存在较大的对流凝结加热时可激发出纬向波数为1、周期为40天左右的不稳定Kelvin波,它以每天8到11个经度的相速缓慢向东移动。
短句来源
     Based on a baroclinic semi-geostrophic model including Wave-CISK, we discuss the influences of different vertical distribution of heating profiles on 30 ~ 60-day low-frequency oscillation(LFO) in the tropics, with a 8-layer dynamic model and eigenfunction method.
     运用一个包含Wave-CISK机制的斜压半地转8层模式和本征函数展开方法,研究了三种不同的对流凝结加热廓线对低纬大气的30~60天低频振荡的影响。
短句来源
     Using the continuity equation containing the condensation-precipitation mass sink,we derived the new equation group of thermodynamic equation,and pressure and temperature prediction equations,in which the three effects of condensation within a air parcel,i.
     从引入包含质量(水汽)源、汇的连续方程出发,重新推导出大尺度凝结降水和积云对流凝结降水之水汽汇起作用的热力学方程,从而重新给出气压、气温预报方程及地面气压与高空位势高度预报方程。 发现,在此基础上,才能实现凝结3个作用:气块水汽质量流失与气压降低;
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  convective condensation
The effects of friction and heating of convective condensation in the baroclinic instability problem
      
By using theΒ-plane, two-layer quasi-geostrophic baroclinic model, this paper discusses the baroclinic instability problem concerning the effects of friction and heating of convective condensation.
      
Forced convective condensation of nonazeotropic refrigerant mixtures in horizontal annulus with petal shaped fin tubes
      
The factors influencing the convective condensation of wet flue gas were experimentally investigated.
      
Prediction of forced convective condensation of non-azeotropic refrigerant mixtures inside enhanced surface tubing
      
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  convection condensation
A numerical analysis of the forced convection condensation of saturated vapor flowing axially outside a horizontal tube
      
Physical and mathematical models are developed to describe the forced convection condensation heat transfer of saturated vapor flowing axially outside a horizontal tube.
      
By comparison, it is indicated that the present situation is more sensitive to non-condensable gas than forced convection condensation along a horizontal plate.
      
A two-phase boundary-layer model for laminar mixed-convection condensation with a noncondensable gas on inclined plates
      
The effects of liquid energy convection were found to be significant only for high-Prandtl-number fluids and to be most significant for mixed-convection condensation.
      
更多          


Gonsidering the processes of non-adiabatic heating in the atmosphere and the feedback mechanism of the atmosphere to the ocean, a zonally averaged model of ocean-atmospheric coupled .system is constructed. The frequency-analysis of this system shows that there exist long-range (longer than one month) oscillations. The duration of oscillations depends upon the depth of mixing layer in the ocean, the latitudinal location and the intensity of various physical processes, such as convec-tive condensation heating,...

Gonsidering the processes of non-adiabatic heating in the atmosphere and the feedback mechanism of the atmosphere to the ocean, a zonally averaged model of ocean-atmospheric coupled .system is constructed. The frequency-analysis of this system shows that there exist long-range (longer than one month) oscillations. The duration of oscillations depends upon the depth of mixing layer in the ocean, the latitudinal location and the intensity of various physical processes, such as convec-tive condensation heating, radiative cooling, evaporation from the sea surface, upwell-ing of oceanic water by wind stress and regulation of radiation balance by clouds.Based on above the results, the formation and features of ITGZ are discussed. The computed width and latitudinal location of the covergence zone have been found in fair agreement with the observed facts.

在考虑到大气中各种非绝热加热和对海洋的反馈过程后,建立了一个纬向平均的海洋、大气耦合系统模型。对系统的频率分析表明:存在着一类周期在月以上的长周期振荡。周期的长短依赖于海洋的混合层深度、所在纬度和各种物理过程(如对流凝结加热,辐射冷却、海面蒸发、海水上翻和云量对辐射平衡的调节等)的强弱。 在上述的基础上,讨论了赤道辐合带的形成和变化。计算所得的辐合带宽度和纬度与观测事实是比较一致的。

Eight different experiments have been carried out from 8 to 20 days. In all of the 8 experiments, land-sea contrast is always included and so is the large-scale condensation, when the radiative warming and cooling are considered in expriments,there would be also taken into account cumulus parameterization, sensible heat and evaporation from ocean surface and elevated plateau surface above 3000m.We utilize two different initial states which correspond the June monthly mean and the June monthly zonal mean fields...

Eight different experiments have been carried out from 8 to 20 days. In all of the 8 experiments, land-sea contrast is always included and so is the large-scale condensation, when the radiative warming and cooling are considered in expriments,there would be also taken into account cumulus parameterization, sensible heat and evaporation from ocean surface and elevated plateau surface above 3000m.We utilize two different initial states which correspond the June monthly mean and the June monthly zonal mean fields of the meteorology elements, respectively. The methed of assessment is to compare the results from different numerical simulations with one another and with the observed July monthly mean fields.We have gotten some interesting conclusions from the comparisons.The main conclusions are as follows.

本文利用p-σ混合坐标系五层初始方程模式(地下一层未包括在内)模拟了季风环流。一共做了8个试验,积分时间分别为8天至20天不等。其目的在于研究辐射加热、深层积云对流凝结、地形结构等因素,对6—7月的季风系统发展的相对重要性。模拟的范围是0°—180°E,25°S—55°N,几乎包括了全部季风明显区。初始资料有二类:一是6月份气候资料经过光滑后的平均环流形势,二是6月份平均纬向形势。在所有8个实验中,海陆分布和大尺度凝结都包括在内。 实验结果表明,平均海平面气压分布及低层气流型主要决定于非绝热加热的分布,而与地形结构关系较小。例如,阿拉伯半岛和东非上空7月平均海平面低压槽的位置,从85°E到110°E沿印度和印度支那一带的气压梯度密集带的位置以及Somali急流的位置等等均可在包含辐射加热的试验中出现而与地形结构关系甚小,但是这些系统的强度受地形的影响极大。若不包括辐射加热,则上列系统中无一可完善地模拟出来。除此之外实验还表明,当模拟中考虑太阳辐射的日变化时,低层气压系统发展得更快,达到准稳定态的时间越短。 另一方面,降水的数量和分布却受辐射加热,地形和初始场的影响极大。例如,如果没有青藏高原,则最...

本文利用p-σ混合坐标系五层初始方程模式(地下一层未包括在内)模拟了季风环流。一共做了8个试验,积分时间分别为8天至20天不等。其目的在于研究辐射加热、深层积云对流凝结、地形结构等因素,对6—7月的季风系统发展的相对重要性。模拟的范围是0°—180°E,25°S—55°N,几乎包括了全部季风明显区。初始资料有二类:一是6月份气候资料经过光滑后的平均环流形势,二是6月份平均纬向形势。在所有8个实验中,海陆分布和大尺度凝结都包括在内。 实验结果表明,平均海平面气压分布及低层气流型主要决定于非绝热加热的分布,而与地形结构关系较小。例如,阿拉伯半岛和东非上空7月平均海平面低压槽的位置,从85°E到110°E沿印度和印度支那一带的气压梯度密集带的位置以及Somali急流的位置等等均可在包含辐射加热的试验中出现而与地形结构关系甚小,但是这些系统的强度受地形的影响极大。若不包括辐射加热,则上列系统中无一可完善地模拟出来。除此之外实验还表明,当模拟中考虑太阳辐射的日变化时,低层气压系统发展得更快,达到准稳定态的时间越短。 另一方面,降水的数量和分布却受辐射加热,地形和初始场的影响极大。例如,如果没有青藏高原,则最大降水将出现于东亚沿海岸线一带而不是在100°E,25°N附近。如果没有辐射加?

In this paper, we discussed the effects of the profile of convective condensation heating on unstable mode in a cylindrical model which included Ekman-CISK and CMM-CISK. The analyses and numerical results show that the profile of convective condensation heating will prominently influence on unstable mode.Convective condensation heating, by CISK , is not only able to produce the stationary unstable mode, but also can produce the unstable oscillational mode with periodic variation. It is advantageous to produce...

In this paper, we discussed the effects of the profile of convective condensation heating on unstable mode in a cylindrical model which included Ekman-CISK and CMM-CISK. The analyses and numerical results show that the profile of convective condensation heating will prominently influence on unstable mode.Convective condensation heating, by CISK , is not only able to produce the stationary unstable mode, but also can produce the unstable oscillational mode with periodic variation. It is advantageous to produce the unstable oscillational mode if there is a maximum condensation heating in lower troposphere. The cumulus friction is an important factor to occure wavelength selectivity of the unstable mode. And the profile of condensation heating also evidently influences on this selectivity. When the profiles of heating are different from each other, the vertical structures of the unstable anode show great difference.Convective condensation heating also influences on the production and transformation of energy. The higher the maximum heating layer, the higher the maximum production layer of the available potential energy is. In this case, it is especially interesting that the efficiency of the available potential energy transforming into the disturbance's energy is higher. Therefore, the different porfiles of convective condensation heating may be one of significant reasons which make part of the depression disturbance in tropic develop into typhoon and ethers not.

本文用综合考虑Ekman-CISK和CMM-CISK机制的柱对称模型,讨论了对流凝结加热廓线对不稳定波的影响。分析和计算结果表明,对流凝结加热廓线对不稳定波有显著影响。 通过CISK 机制对流凝结加热不仅可以产生常定不稳定波并且还可以产生一种有周期性变化的振荡型不稳定波,低层有最大的凝结加热分布更有利于振荡型不稳定波的产生。积云摩擦作用是形成最不稳定波的波长选择性的重要因素,而凝结加热廓线也对这种选择性有直接影响。不稳定波的垂直结构随加热廓线的不同而有明显的差异。 对流凝结加热廓线还直接影响能量的产生和转换。最大加热层越高,则产生最大有效扰动位能的高度就越高。更有意义的是,这时有效扰动位能向扰动动能转换的效率也愈高。因此,对流凝结加热廓线的不同可能是热带低压扰动仅部分发展为台风而另一些不能发展的重要原因之一。

 
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