By introducing the concept of the initial embedment depth of the installation line, the reverse catenary equation and the expression lot calculating the length of the embedded line are obtained for soils with a linear strength, and the position of the embedment point can be reasonably solved ...
represents respectively the Archimedes, drag, added mass, and the lift forces applied on the bubbles, andmB,g,VB,ρa,ρw,v, anduare the mass of bubble equal toρaVB, the gravitational force, the volume bubble size, air and water densities, bubble, and water velocity, respectively. The w...
For small, slowly falling objects, the assumption made in equation (1) (see below) is good. For larger, more rapidly falling objects, it is more accurate to assume that the magnitude of the drag force is proportional to the square of the velocity with the force orientation opposite to ...
While the above density formula is a simple way to calculate density, it leaves out important factors that need to be considered when calculating the density of gas. To better understand how gas densities change, it is first important to understand theideal gas law. The ideal gas law is repr...
However, when calculating the derivative of dd and DD, t − t0t − t0 should be retained. Then, |rt||rt| can be obtained by solving the above equation: |rt|=11−ε2(cosθrε−tvε+t0vε+(cos2θr2ε2−2rcosθvt+2rcosθvt0−r2ε2+v2t2−2v2tt0+v2t02+r2)12).(...
The Poiseuille equation is only valid for laminar flow, which is when the fluid flows in smooth, parallel layers. It also assumes that the fluid is incompressible and the pipe is straight and of constant cross-section. In real-world situations, these assumptions may not hold and the Poiseuill...
The accuracy of the method has been tested by calculating the values for various stacking fault energies that favorably compare with previous theoretical and experimental results. The core structures, including the core widths of the edge and screw components, and dissociation behavior have been ...
Calculating the Standard Error of the Estimate of Y from X You should now see a regression equation on the your graph. If you cannot read it easily, click and drag it to a better place. Label the column next to your “Y” scores “Y est.” and use the regression equation from your...
Practicalequationfor calculating the properties of humid air; 一种简便实用的湿空气性质计算方程 更多例句>> 补充资料:肺循环阻力(或全肺阻力) 肺循环阻力(或全肺阻力) pulmonary circulation resistance 血液在肺部血管内流动时和血管壁之间的摩擦力和血液内部的摩擦阻力。肺动脉管壁较薄,分支短而管径大,故肺动脉...
then 711+ 00 as y + 0. Now the equation of motion for the fluid can be written p(au/at+u*vu)= -vp+pv2u+v '7, 45 where p is the fluid density, and so in calculating the extra flow generated by this elastic stress only v - T = ih,,/i3x appears, and for this problem ...