pulsating flow 中文意思是什麼
pulsating flow
解釋
脈動憐-
If the coefficient of engagement overlap decreases, the flow aggrandize, trapping volume and the flow pulsating ratio decreases
隨著齒輪嚙合重合系數的減小，齒輪泵的流量增大，困油容積和流量脈動率減小。 -
Pulsating flow of mean constant flow - rate
恆定平均流量的脈動流 -
Experimental investigation of the flow patterns in a single closed loop pulsating heat pipe
斯特林型高頻脈沖管製冷機的實驗研究 -
In chapter 3, the subgrid eddy - viscosity model for large eddy simulation is applied to calculate the three dimensions unsteady periodic turbulent flow in yantan francis turbine. the pulsating characteristics of some main physical parameters in flow field are found. the calculated axial water thrust of hydraulic turbine agrees with the model - test value
第三章採用大渦模擬亞格子渦粘模型，對巖灘混流式水輪機的流場進行三維非定常湍流分析，得到了流場中各物理量的脈動特性，計算出ms的軸向水推力與模型試驗值大小相當；同時論證了對于下機架承重的混流式水輪發電機組可採用其推力軸承負荷作為水電站廠房振動的最大垂直激振荷載。 -
Presently most of the theoretical method to predict the propeller - induced hull pressure fluctuation is based on the calculation method in which the pressure is induced by pulsating source in infinite flow. the calculation method is adopted and the corresponded computer program is complied. the propeller - induced hull pressure fluctuation due to blade thickness, blade load, cavity thickness and the change of the cavity volume can be analyzed respectively in the computer program
目前，螺旋槳誘導的船體表面脈動壓力的理論預報方法，大多是以無限流場中點脈動源誘導的周圍流場的脈動壓力的計算方法為基礎的，本文採用該方法編制了計算程序，可以分別考慮槳葉厚度、槳葉負荷、槳葉上空泡厚度及其體積變化在船體表面指定位置上產生的脈動壓力。 -
When the pulsating jet was introduced in the heat exchanger, pulsating flow leads to the formation of an amount of vortices near the tube wall. the boundary layer was destroyed and the mixing of liquid was improved, so heat transfer enhancement was achieved
將自激振蕩脈沖射流引入換熱器后，流體的脈動導致了壁面處旋渦的大量生成，增加了流體的摻混，實現強化換熱的目的。 -
The unstable gas stream is characterized by oscillations with transient velocities of about + 100 m / s and frequencies from 50 - 200h /. the enhanced mixing and transport processes lead to a highly efficient moisture evaporation rate during pulsating spray drying. the computational fluid dynamics ( cfd ) method was used for the analysis and investigation of flow, temperature and humidity fields in a pulsating flow spray - drying chamber
長期以來，對噴霧乾燥過程進行了各種試驗和模擬研究，但這些研究並不能揭示噴霧乾燥室內氣體運動狀態，顆粒群的運動軌跡和各種熱力學參數分佈信息，常規的測試手段又很難測得，而這些參數分佈信息對乾燥器沒計和過程優化具有重要指導作用。 -
Then a formula about flow of the gear pump and the coefficient of engagement overlap to find is obtained by area method. through analysis contact ratio and overlap ratio has the effect on the volume oil and the flow pulsating ratio
然後採用面積法求得齒輪泵流量與齒輪嚙合重合系數的關系式，研究了齒輪嚙合重合系數對齒輪泵困油和流量脈動率的影響。 -
Example shows that contact ratio and overlap ratio has the effect on the volume oil and the flow pulsating ratio
本文用實例說明了齒輪嚙合重合系數對齒輪泵性能參數的影響。 -
Numerical study on enhancing mass transfer in grooved channel by pulsating flow
壓力邊界條件下微通道內氣體流動換熱特性研究
分享友人