total head

基本解释总压头

网络释义

1)total head,总压头2)total head,总压头<冶>3)total pressure,总压4)total compression rate,总压缩率5)cumulative compression ratio,总压缩比6)total pressure loss,总压损

用法和例句

This paper mainly introduces all sorts of means to control total pressure in air cushioned headbox.

随着造纸机车速的提高 ,传统的敞开式流浆箱很难满足生产需要 ,当车速超过 30 0m/min以后通常采用气垫式流浆箱 ,本文对气垫式流浆箱总压的各种控制方法做了较系统的介绍和比较分析。

In order to study the processing mechanism of BCF, the distribution of total pressure and statical pressure inside and outside the texturing tube are discussed with the help of the pressure probe, and the result of the experiments is analyzed.

为了探求BCF变形加工机理,利用测压探针测试了导丝管内部及出口端外的总压和静压分布规律,实验结果表明导丝管内为气流分布不均匀、速度梯度大、不对称的紊流流场。

Results show that:isolator has little effect on total temperature of the inlet exit;when the length of isolator is shorter,the total pressure of the inlet exit is.

同时,有无隔离段以及隔离段长度对进气道出口参数的影响,文中进行了初步的分析,结果表明:有无隔离段以及隔离段长度对进气道出口总温没有太大的影响;隔离段较短时,进气道出口总压比无隔离段小,但当隔离段长度增大到一定值后,进气道出口总压比无隔离段大;隔离段较短时,进气道出口马赫数比无隔离段大,但当隔离段长度增大到一定值后,进气道出口马赫数比无隔离段小。

The method can reduce the total compression rate of the finished products and raise intensity and tenacity of it.

采用加大半成品的总压缩率的方法,可以提高半成品热处理后的强度,从而可以减小成品拉拔的总压缩率,这样,有利于保证成品的强度和韧性。

The proper cumulative compression ratio can insure the pipe property.

在立式狄舍尔穿轧机上, 选择不同的工艺参数进行试验, 得出用连铸圆坯生产高质量钢管时, 应严格控制工艺参数, 尤其是优化穿孔前期的速度变化参数可防止管前端内析, 适宜的总压缩比(B 级管≮5-2 , 石油套管≮10-2) 可保证钢管的性能, 压缩比不足时, 可通过后续热处理改善钢管性能。

Based on the calculation model of various pressure losses in a positive pneumatic conveying system, a calculation model of total pressure loss in two- phase flow is established in the paper.

本文以气力压运系统各项压损计算模型为基础,提出了两相流总压损的计算模型,通过计算机对总压损计算模型进行了八次工况的计算。

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