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相似分析
相关语句
  similarity analysis
    SIMILARITY ANALYSIS AND COMPUTATION OF A ROTARY SOLID DESICCANT DEHUMIDIFIER
    转轮式干燥剂除湿器性能的相似分析与计算
短句来源
    Similarity Analysis of Stable Flow Process in Engine's Port
    发动机气道稳流试验流动过程的相似分析
短句来源
    The Heat and Mass Transfer of a HAT (Humid Air Turbine) Cycle Humidifier and Its Similarity Analysis
    HAT循环饱和器传热传质过程及相似分析
短句来源
    By the similarity analysis of flow process in engine's port, it's found that at the base that Renold number is big enough, in-qualitative rule Euler number Eu and similar invariable dimensionless swirl NR keep unaltered.
    通过对发动机气道内气体流动过程的相似分析 ,在雷诺Re 准则数足够大的前提下 ,非定性准则欧拉Eu 数和相似不变量无因次涡流NR 保持不变。
短句来源
  similarity analysis
    SIMILARITY ANALYSIS AND COMPUTATION OF A ROTARY SOLID DESICCANT DEHUMIDIFIER
    转轮式干燥剂除湿器性能的相似分析与计算
短句来源
    Similarity Analysis of Stable Flow Process in Engine's Port
    发动机气道稳流试验流动过程的相似分析
短句来源
    The Heat and Mass Transfer of a HAT (Humid Air Turbine) Cycle Humidifier and Its Similarity Analysis
    HAT循环饱和器传热传质过程及相似分析
短句来源
    By the similarity analysis of flow process in engine's port, it's found that at the base that Renold number is big enough, in-qualitative rule Euler number Eu and similar invariable dimensionless swirl NR keep unaltered.
    通过对发动机气道内气体流动过程的相似分析 ,在雷诺Re 准则数足够大的前提下 ,非定性准则欧拉Eu 数和相似不变量无因次涡流NR 保持不变。
短句来源
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  similarity analysis
This note shows that for a BVP of Poisson's equation withQm(u, v) as its source function, a direct evaluation of some integrals yields the same exact results as obtained by similarity analysis.
      
Based on a similarity analysis and the experimental data, an empirical scaling formula was proposed so that the tangential component of the turbulence kinetic energy was dependent only on the parameter of the contraction ratio.
      
By similarity analysis, we also show that the debinding rate and flow field are similar at various temperatures for the same compact-wick combination.
      
A similarity analysis was performed using regional records of Copepoda and including two taxa, the orders Calanoida and Cyclopoida.
      
Both nucleotide and amino acid sequences similarity analysis revealed that cyt1A97 presents one amino acid different from the native cyt1Aa gene.
      
更多          
  similar analysis
Self-similar analysis of turbulent hydrodynamic and temperature boundary layers
      
A similar analysis was performed for mean particle radii r0 and optical thicknesses τ0 of the dust layer estimated from polarization observations for periods of high atmospheric transparency.
      
To avoid the effect of amplification in these thermal methanol lines, a similar analysis was performed for 80 sources having both maser emission at 6.7 GHz and thermal CS emission.
      
A similar analysis for the lower pressures has revealed that losses both of metastable O2(a1δg) and O2(b1σg+) molecules, and of O(3P) atoms on the surface of the discharge tube, are determined by the density of each of the components.
      
A similar analysis of squeal vocalizations, which are only produced by juveniles, found even greater levels of geographic variation.
      
更多          
  similarity analysis
This note shows that for a BVP of Poisson's equation withQm(u, v) as its source function, a direct evaluation of some integrals yields the same exact results as obtained by similarity analysis.
      
Based on a similarity analysis and the experimental data, an empirical scaling formula was proposed so that the tangential component of the turbulence kinetic energy was dependent only on the parameter of the contraction ratio.
      
By similarity analysis, we also show that the debinding rate and flow field are similar at various temperatures for the same compact-wick combination.
      
A similarity analysis was performed using regional records of Copepoda and including two taxa, the orders Calanoida and Cyclopoida.
      
Both nucleotide and amino acid sequences similarity analysis revealed that cyt1A97 presents one amino acid different from the native cyt1Aa gene.
      
更多          


A similarity characteristic of heat conduction in a wedge with or without phase change is examined. It is shown that for a wedge enclosure of constant boundary temperature the integrated heat flow rate over its arbitrarily chosen wedge surface r_1 at time t_1 equals the heat flow rate over its expanded surface ri at time t_i, where r_1/(4αt_1)~(1/2)=r_i/(4αt_i)~(1/2): This similarity further leads to a wedge invariant for heat conduction with phase change.

相变导热和很多实际工程问题有关.例如铸件的凝固,宇宙飞船回收地面时的相变冷却,以及相变储能等.到目前为止只有一维的相变导热才有精确的解析解.即stefan问题.本文通过相似分析对更接近实际的二维相变导热进行了研究。本文首次把导热问题中温度场的相似分析推论到积分热流量,从而简化了热流量的计算.其次文章对有相变及无相变情况下楔形物体导热的相似性作了研究,获得下述规律;对边界恒温的楔形物体在时间t_1时通过任意楔形边界面r_1的积分热流量等于在时间t_2时通过扩大了的边界面r_2的积分热流量.其中r和t构成一个无因次相似变量。这一相似性进一步引伸出相变导热中有“楔形不变量”的的存在. 运用积分热流量的相似概念本文提出了热流量计算的简化公式.

The similarity analysis to the control equations with its boundary conditions and the desiccant property equation for a rotary dehumidifier performance prediction is presented. in this paper.It is shown that the performance is a function of th nondimensional structure and property parameters with the operation parameters keeping constant.The physical explanation of the seven nondimensional parameters and a deep understanding for the mechanism of the dehumidifier are also illustrated.

对转轮式除湿器的控制方程及其边界条件和吸附剂的物性方程进行了相似分析,得到了影响除湿性能的12个参数(10个无量纲参数和2个有量纲参数)。在运行参数一定的条件下,转轮除湿器性能是其中7个无量纲参数的函数。阐述了7个无量纲参数的物理意义并通过数值模拟得到了它们对除湿性能的影响规律,为转轮式干燥剂除湿器的优化设计奠定了基础。

Experiments were carried out to clarify breakdown characteristcs of freely-falling liquid films along the outside surface of a heated vertical tube under following parameters: the film inlet temperature tin=20 ̄90C, the film Reynolds number Re=800 ̄1.21×104 and the heat flux was up to 1.39×105 w/m2. Film breakdown patterns were observed at first. There were different normal breakdown patterns with different film Reynolds numbers and film inlet temperatures. Besides, abrupt breakdown was also observed when the...

Experiments were carried out to clarify breakdown characteristcs of freely-falling liquid films along the outside surface of a heated vertical tube under following parameters: the film inlet temperature tin=20 ̄90C, the film Reynolds number Re=800 ̄1.21×104 and the heat flux was up to 1.39×105 w/m2. Film breakdown patterns were observed at first. There were different normal breakdown patterns with different film Reynolds numbers and film inlet temperatures. Besides, abrupt breakdown was also observed when the film outlet temperature tex 50C. According to principles of thermophysical similitude analyses,breakdown criterion numbers can be derived. It is seen that the breakdown criterion number is also the critical dimensioliless breakdown heat flux as an internal scale of the heat flux is defined. Correlations for temporary and permanent breakdown criterion numbers were obtained by fitting the test data. For comparison, experimental results published by Bohn,M. S. and S. H. Davis in 1993 are again interpreted according to the internal scale of the heat flux given by this paper.

在较宽液膜雷诺数和进口温度范围内对垂直加热管外自由降膜流破断特性进行了实验研究。应用热物理学相似分析的方法整理实验数据,给出新的破断准则数综合关系式,并与1993年发表的另一些作者的结果作了比较。实验参数的变化范围如下:tin=20~90℃,最大液膜雷诺数Re为1.21×104,最大热流密度达1.39×105w/m2。

 
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