1) oxidation exothermicheatcoefficient
氧化散热系数
2) coefficient equivalent of exothermic oxidation
当量氧化散热系数
1.
The unsteady heat transfer coefficient (between country rock and air flow) and the coefficient equivalent of exothermic oxidation reaction have been corrected The method to calculate the heat dissipating capacity has been provided.
本文从对高温采面热力参数实测入手，分析了采面重要热源采空区热风的分布及变化规律，求解了在采空区热风影响下的不稳定换热系数Ｋτ与当量氧化散热系数ｑｏｘ，从而可以比较准确地计算来面热源的总散热量。
3) oxygen chemical diffusion coefficient
氧化学扩散系数
1.
At 800℃,oxygen chemical diffusion coefficient of YBa3Fe3O10 is 3.
800℃时YBa3Fe3O10的氧化学扩散系数达3。
4) oxidizing heat evolution
氧化散热
1.
This paper explains the necessity of determination of the oxidizing heat evolution in coal mine, and establishes the principle and method for determining the equivalent oxidizing heat evolution coefficient.
本文说明了测算井下氧化散热的必要性,论证了氧化散热和当量氧化散热系数。
5) Heat transfer coefficient
散热系数
1.
According to the structural characteristic, the new calculation model of stator with mush coils for a 15 kW canned motor was established, and the heat transfer coefficient of stator can’s inner face with cooling water was deduced.
以一台15kW屏蔽电机为例,根据其结构特点建立了定子绕组散下线时新的温度场计算模型,给出了屏蔽夹层通水时的屏蔽套表面散热系数。
2.
On the basis of different air velocities in ventilation dusts,by determining heat transfer coefficients in different parts of iron core,effect of cooling system types on temperature rise is reflected truly.
本文以水轮发电机半齿、半槽、半轴向长度为计算区域 ,用三维有限元法计算定子温度场 ,以定子各个风沟风速为基础 ,确定各段铁心散热系数 ,真正反映出冷却系统类型对温升的影响 ;以白山电机为例进行了温升计算 ,并与真机实测值进行了对比 ;同时本文还做了单段铁心与半轴向长 ( 2 5段铁心 )的温升对比计算。
3.
In this process,the outlet flow rate of stator end and the distribution characteristic of fluid velocity around stator end windings and pressure plate were solved,so the boundary conditions of each inlet in the solving domain and heat transfer coefficients of stator end parts were determined.
根据200MW大型空冷汽轮发电机通风系统内流体流动与传热的特点,建立定子端部和多风路通风系统三维流动与传热耦合计算的数学模型和物理模型,并给出求解域相应的边界条件及假设条件,采用有限体积法对流体场和温度场控制方程进行耦合计算,可以得到定子端部流体出口处流量及端部绕组、压板周围的流体速度空间分布特性,从而确定多风路求解域中各风路入口的边界条件及端部各结构件的散热系数。
6) heat release coefficient
散热系数
1.
The temperature field and heat release coefficient are calculated using multiple plate heat conducting formula and finite element method (FEM).
分析了高承载能力减速器内部热源的种类和传热途径 ,建立了稳态传热学模型 ,提出了用复合平壁导热及有限元计算减速器的温度场分布和散热系数。
2.
The three dimensional temperature field and heat release coefficient are calculated using multiple plate heat conducting formula and finite element method (FEM).
采用传热学和机械学理论分析高承载能力减速器内部热源的种类和传热途径 ,建立了稳态传热学模型 ,提出了用复合平壁导热及有限元方法计算减速器三维温度场分布和散热系数。
补充资料：氧化剂过剩系数
分子式：
CAS号：
性质：又称氧化剂过剩系数。指推进剂中的氧化性元素摩尔数与可燃元素完全氧化所需氧化性元素摩尔数之比。一般推进剂氧系数都小于1，其值在0.45～0.75范围内。
CAS号：
性质：又称氧化剂过剩系数。指推进剂中的氧化性元素摩尔数与可燃元素完全氧化所需氧化性元素摩尔数之比。一般推进剂氧系数都小于1，其值在0.45～0.75范围内。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条