equivalent diameter
1.About the Characteristic Dimentions and the Equivalent Diameter in the Calculation of Resistance and Heat Transfer of Fluid Flow in Ducts with complicated Geometry
2.CNP1500 is a four-loop PWR nuclear power plant with light water as moderator and coolant. The reactor core is composed of 205 AFA-3GXL fuel assemblies. The active core height at cold is 426.4 cm and equivalent diameter is 347.0 cm.
3.Gauss distribution function was utilized to describe the distribution of the mean percentage of the equivalent spherical diameter (BSD) of marine phytoplankton.
4.Seven cellular parameters in adenomatous hyperplasia of the liver (AHL), compared with normal liver cells (NLC) and hepatocellular carcinoma (HCC), were analyzed quantitatively by measuring the seven parameters of the cell nuclei, the area (AREA), perimeter (PERIM), maximum diameter (DMAX), minimum diameter (DMIN), the equivalent circle diameter (DCIRCLE), circularity shape factor (FCIRCLE) and shape factor (FSHAPE) using computerized image analyzer.
5.Seven parameters concerning cellular nuclear sections, including area, perimeter, maximum feret diameter, minimum feret diameter, the equivalent-area circle diameter, circularity factor and shape factor,in adenomatoid hyperplasia of the liver (AHL), normal liver cells (NLC) and hepatocellular carcinoma (HCC), were first measured and analyzed quantitatively using the digital image analysis technology.
6.Multi-arm caliper logging tool is mainly used for measuring inner diameter changes of the casings, provides evaluation data such as casing diameter changes, casing wall thickness, outer diameter variations of the casings, elliptic changes and equivalent damaging loading, etc.
7.The analytical relationshipsexpressed by the formulas derived indicate clearly that the frictioncoefficient of a high speed ball bearing is related to not only the bore,outer diameter,sliding friction coefficient between ball and inner ring(or outer ring),ball diameter,ball number,but also the rotativespeed and equivalent dynamical load of the high speed ball bearing.
8.The analytical relationships expressed in the formulas derived in the article indicate clearly that the friction coefficient of a ball bearing is related to not only the bore,outer diameter,sliding friction coefficient between ball and inner ring(or outer ring),ball diameter,ball number but also equivalent dynamical load of the ball bearing.
9.(3) 5.33 theoretical plates are obtained in the unit with outer diameter520mm, inner diameter 100mm and height 78mm, which is equivalent to 25.38 theoretical plates per meter according to the radial distance that vapor and liquid actually flow through.
10.Probe into stress influence of lining to large diameter of pipeline through primary and secondary stress analysis of lined pipeline of catalytic and cracking unit, and stress calculation method of converting lined pipeline into equivalent steel pipeline which is input into pipe stress calculation program CAESAR.
