This paper analyzed the flow of working medium in extrusion by an athletic differential equation of viscous fluid and discussed the influence of the viscosity on Hot Hydrostatic Extrusion ( HHE). 本文对热管的工作原理做了介绍,叙述了多年来设计的热管换热器及其应用情况,重点阐述了热管对其工作介质的要求和对目前常用的几种工作介质进行了分析研究。
Differential twin screw kneader is a new kind of kneading and delivery equipment with discreteness, mixing, kneading and delivery functions together and it can well deal with problems appearing in mixing and kneading high viscosity materials. 差速双螺杆捏合机是一种新型的捏合输送设备,它集物料的分散、搅拌、捏合、输送等多种功能于一体,能很好解决高粘度物料搅拌、捏合所产生的问题。
In the differential method, zero equation model is adopted, curvature effects both on turbulent viscosity and on basic equations are considered. 微分法采用零方程模式,不仅考虑曲率对涡粘性系数的影响,而且还计及曲率对方程的影响,得到有曲率的紊流边界层发展趋势。
Carboxymethyl hydroxypropyl cellulose ( CMHPC) crosslinked with a novel organic titanium exhibits good thermal stability determined by Thermogravimetry ( TG) and Differential Thermogravimetry ( DTG) method, and its hydrogel retains greater viscosity at high temperature. 使用新型有机钛络合物交联羧甲基羟丙基纤维素(CMHPC),仍得凝胶具备较高的耐温性,热分析结果亦表明交联产物有良好的热稳定性。
In the equation, differential viscosity and the first normal stress difference function were defined to specify the rheological properties of non-Newtonian medium, squeeze item was used to specify the effect of dynamic load. 在方程中用差分粘度和第一正应力差函数表征非牛顿介质的流变特性,用挤压项表示动载荷作用。
In this paper, a governing differential equation of viscoelastic Timoshenko beam including both extension and shear viscosity is developed in the time domain by direct method. 本文用直接力法在时域内推导了粘弹性Timoshenko梁的控制微分方程,它同时计及了材料的拉伸粘性和剪切粘性。
Flowmeters utilizing new measuring principles are outlined. These devices contain sonar flowmeters, microwave flowmeters for two phase ( gas-liquid) fluid, butterfly flow control valves using differential pressure induced by the valve plate and on-line magnetic flowmeters measuring liquid viscosity. 在新测量原理流量仪表方面,概述了声纳流量计和微波气固双相流量计,以及利用蝶阀瓣产生差压的蝶流量控制阀和用电磁流量计在线测量液体粘度。
Establishing elementary differential eguation with considering viscosity infection, through the medium with finite difference decompounding to analyse the effect of high-viscosity oil's viscosity to sand production in oil well. 建立考虑粘度影响后的基本微分方程,通过有限差分分解来分析稠油粘度对油井出砂的影响。
Integral Manifolds of Differential Systems with Variable Coefficients The integral arithmetic of viscosity for the rheogeniometer 变系数微分方程的积分流形血流变系统粘度的积分算法