非稳态计算结果指出了加热速率与岩样内最大温差出现的时间和数值的关系。
The results of the calculation for the unstable state pointed out the relationships between the heated rate, the time occurred and the value of maximum temperature difference in the rock sample.
根据麦克斯韦方程和热传导方程,建立电磁导轨炮固体电枢二维非稳态计算模型。
According to Maxwell and heat transfer equations, the 2D unsteady computational models of electromagnetic railgun solid armature was built up.
将各种非稳态火源热释放速率计算式嵌入建筑物火灾烟流性状预测软件并进行了算例验证。
Some heat release rate formulas are added to the application software for calculation on the properties of the fire smoke flow in building.
评价埋地热油管道的的热工状况,首要的问题是计算管道周围土壤的非稳态温度场。
The calculation of the unstable temperature of the soil around pipeline is the first step to evaluate the hot oil pipeline.
在分析锻造用钢锭凝固过程特点的基础上,建立起钢锭铸造凝固的二维非稳态温度场计算数学模型,并编制程序。
A two-dimensional unsteady temperature field calculation mathematical model has been set up by analyzing ingot solidification process and the program has been developed.
建模和计算结果说明利用试验模态参数可以方便地建立轮胎的非稳态模型,并可以直接计算出不同工况下的轮胎动态特性。
Modeling and calculate results show that using experimental modal parameters can easily establish tire properties models and calculated tire dynamic properties under various conditions.
采用双时间步和预处理相结合的方法计算非稳态流场,保证了采用预处理方法后计算结果的时间精确性。
Time precision of calculation results of unsteady flow field was ensured by using combined method of dual-time step and preconditioning.
通过ANSYS有限元通用软件对125MW供热汽轮机高压内缸稳态、非稳态温度场和应力场进行了计算。
The thermal and stress, included steady and transient, were calculated for HP inside cylinder of 125MW cogeneration steam turbine with the help of ANSYS.
在以上流场计算的基础上,耦合计算浓度场的子程序,计算了自然对流条件下受限空间内有污染源存在时的非稳态浓度场。
Unstable concentration field in the condition of unforced convection in the confined vacuum has been calculated by programming flow field and concentration field simultaneously.
提出了激光对金属材料表面非熔凝处理的稳态温度场快速计算以及快速确定铁基材料表面相变硬化带尺寸的方法。
The present work proposes a method which can be used for a rapid calculation of the temperature field caused by a powerful laser during a superficial heat treatment.
根据非稳态导热集总参数法建立油船油舱保温数学模型,研制了油船货油保温计算软件。
The oil tanker heat preservation model is established and the software is developed based on transient heat conduction gathered parameter method.
根据非稳态导热集总参数+法建立油轮油舱加热数学模型,研制了油轮货油加热计算软件。
The oil tanker heating model is established and the software is developed based on transient heat conduction gathered parameter method.
通过对墙体非稳态传热数值计算方法的研究,确立了本文理论模型计算的方法。
Confirm the calculating method of theoretical model, through researching the calculating method of wall's unsteady heat transfer.
本文提出了隧道窑窑车的二维非稳态传热数学模型及计算机程序框图。
Mathematical model and computer programme flow diagram for two-dimensional transient heat transfer in tunnel kilns are presented.
在利用试验模态参数建立的轮胎侧向非稳态模型基础上,推导了用于计算不同侧向输入的时域瞬态响应公式。
A time domain model developed using experimental modal parameters to simulate tire and vehicle dynamic performance was used to develop the transient response equation for different lateral inputs.
以某一低温实验装置为例,建立其围护结构非稳态传热数学模型,对动态负荷进行计算。
An unsteady thermal conduction model of its envelope was built and the dynamic load was calculated.
本文论述了计算所得的非稳态流场的时均值。
The time-average of the unsteady flow-field obtained in the computation is discussed.
介绍了汽轮机转子、主蒸汽管道、汽缸和阀壳稳态蠕变应力和非稳态蠕变应力的计算方法,采用大型有限元分析计算程序计算汽轮机部件的非稳态蠕变应力和稳态蠕变应力。
The method takes into consideration both for steady and unsteady creep stresses of rotors, pipes, casings and valve housings to be determined with the help of finite element analysis programs.
通过取不同CFL数计算表明:在能得到非定常稳态解的情况下,取小CFL数更能真实地反映非定常时间历程,具有更高的可信度。
Application of different CFL numbers show that using less CFL number can describe the unsteady course more detaily and has higher reliability.
非稳态法获取的数据较为可靠,但数学处理难度较大,不易手工计算。
The data obtained by non-steady-state method are more reliable, but the mathematical treatment is difficult and difficult to calculate by hand.
比较之间的非稳态温度场的钢筋混凝土板火灾和测试数据的计算结果表明,它们基本上是相同的。
Comparison between the numerical results of the unsteady temperature field for the reinforced concrete slab in fire and the tested data shows that they are basically identical.
提出一种计算非稳态气动加热下金属蜂窝板内辐射导热耦合换热数值计算方法。
A numerical method was presented for transient heat transfer processes in honeycomb sandwich panels used in metallic thermal protection systems (TPS) under aerodynamic heating.
并通过吸收传质流体CFD模型,应用有限元方法对气液吸收过程中出现的自然对流发生过程进行了数值计算,得到了液相自然对流发生时的非稳态流场分布和浓度分布信息。
Unsteady flow and concentration fields in the liquid phase of a gas-liquid contacting system were simulated to show the natural convection by utilizing the finite-element CFD method.
使用该模型实现了对工作辊温度的动态分析和精确计算,预测工作辊非稳态轧制时的瞬态温度分布、稳态温度场和终轧后空冷时的温度场。
So dynamic analyses and precise calculation can be realized for work roll's temperature. Then those can forecast work roll's transient temperature distribution whi...
使用该模型实现了对工作辊温度的动态分析和精确计算,预测工作辊非稳态轧制时的瞬态温度分布、稳态温度场和终轧后空冷时的温度场。
So dynamic analyses and precise calculation can be realized for work roll's temperature. Then those can forecast work roll's transient temperature distribution whi...
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