static pressure ratio 中文意思是什麼
static pressure ratio
解釋
靜壓比-
Abstract : in this paper a new technology for upperpunch in ceramic tile die with isostatic pressing is introduced, static - pressure area ratio and bonding area ratio are changed into independent technological parameters and can be separately designed
文摘:本文介紹了等靜壓瓷磚模具中上模芯的一種新型工藝結構，它使靜壓比和粘貼比成為兩個互相獨立的參數，可以分開進行設計。 -
With the favor of these techniques, the static pressure distribution along the length and the velocity profile at the mini - channel exit were obtained. with the data of more than 500 flow states based on 13 kinds of mini straight rectangular channels that their heights were 0. 5mm and 1. 0mm, the effects of characteristic scale, surface roughness and the aspect ratio of rectangular on the characteristics of flow resistance of mini straight channels were studied
採用在沿程測量氣流靜壓分佈、在出口測量速度分佈的方法，對高度0 . 5mm和1 . 0mm的13個微小直矩形通道的500多個狀態流場進行了測量，研究了特徵尺度、表面粗糙度、橫截面寬高比等因素對微小等直通道流動阻力特性的影響。 -
The static triaxial test is performed on composite cemented clay samples and parameters of duncan - chang model are obtained considering the effects of replacement ratio and confining pressure. the effects such as replacement ratio, strain amplitude and confining pressure on the dynamic modulus and damping ratio of composite cemented clay samples are analyzed through undrained dynamic triaxial test. fitting equations estimating the dynamic modulus and damping ratio through regression analysis are deducted with the effects of replacement ratio, strain amplitude and confining pressure
通過不排水動三軸試驗詳細地分析了置換率、應變幅和圍壓等因素對水泥土復合試樣動模量和阻尼比的影響，根據有關數據，得到了較為完整的復合試樣的動力變形曲線，通過回歸分析方法，得到了考慮置換率，應變幅和圍壓影響的水泥攪拌樁復合試樣動模量和阻尼比的擬合公式。 -
The results indicate that with decrease of exit area of secondary nozzle, the bypass ratio is decreasing, and the static pressure in integrated ejector combustor is increasing, and mixing condition becomes better. there exists an optimal exit area of secondary nozzle to get maximum thrust of rocket ejector
結果表明：引射能力隨著二次噴管出口面積的減小而減小；整體式引射燃燒室壓強隨著二次噴管出口面積的減小而上升，混合隨之更為充分；存在一個最優的二次噴管出口面積，使發動機推力最大。 -
In this paper, the pressure field and static characteristic of bearings are simulated by fluent. the pressure contours of restrictors and shaft are acquired as well as the load capacity and static stiffness curves versus eccentricity ratio
本文首次應用它對軸承的壓力場和靜態特性進行了模擬分析，得出了氣體流經小孔、多孔柱塞和全多孔質的壓力變化曲線以及軸上壓力沿軸向和圓周方向上的變化趨勢，並給出了軸承的承載能力和靜態剛度曲線。 -
For the whole porous bearing, the data and curves are acquired, such as, the load capacity and static stiffness versus the supply pressure, permeability, thickness of the film, eccentricity ratio and the structure parameters of the bearing. what ’ s more, some disciplinary conclusions are drawn
對于全多孔質軸承，還分析計算了供氣壓力、滲透率、氣膜厚度、偏心率以及軸承的結構參數對軸承靜態性能的影響，給出了一些規律性的結論。 -
The formula for mach number has been optimized with least - squres solution, thus the precision of a polynomial of power of 5 is better than that of 9. 2. after the solving of angle of attack and angle of sideslip, the theory of general inverse of matrix is used to simplify the nonlinear equations and to calculate the total pressure and the modified dynamic pressure ratio. these two parameters together with the angle of attack and angle of sideslip contain enough information to work out the dynamic pressure and static pressure
其中包括: 1 .應用最小二乘法，對馬赫數的泰勒求解公式進行優化，優化后的求解公式採用5次多項式即可在精度上優于原有的9次多項式，可以提高運算速度; 2 .提出應用廣義逆矩陣簡化非線性方程組:在已經求解出迎角與側滑角的前提下，直接從原始的壓力向量中提取出總壓，並且提出了動壓修正比的概念。
分享友人