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For the heavy structure and complex performances of the hybrid system, based on the photovoltaic effect, the state equation of ideal gas, mass and energy conservation equations, physicochemical principles, power transformation relations, flow and transmission of the heat energy, first give a set of proper assumptions and simplifications, then a set of dynamic model of all subsystem are established completely and detailed.

由于PVFC联合发电系统结构复杂,涉及到电化学、传质学、传热学等多门学科知识,以及光生伏打原理、质量守恒、动量守恒、能量守恒、第一热力学定律等多种原理和定律,所以,首先对各子系统在不影响系统性能的基础上进行适当的假设和简化,然后根据各种原理和定律分别建立各子系统的动态数学模型。

Theoretical analysis emphasizes on heat transfer both inside propellant and between igniter exhaust and internal grain surface.

理论分析着重研究了点火燃气与推进剂表面传热及推进剂内瞬态热传导规律。

Jet impingement become more effective for academic study and engineering application as a powerful method of heat transfer.

射流冲击是一种最具效率的强化传热手段,有着深刻学术意义和工程应用背景。

The flow of glass melt in tank furnace can be characterized by mixed convection that the inertial force could be neglected.

本文还以指导熔窑模型实验为目的对混合对流的流动与传热特性进行了研究。

Even inflect local transmitting heat translate from film boiling to core boiling.

甚至改变局部传热状态由膜态沸腾转变为核态沸腾。

With the method of vector analysis and coordinate transform,the direct solar radiation angle factor、the earth infra-red radiation angle factor and the reflected solar angle factor by earth are calculated.

在计算中利用矢量分析和坐标变换的方法求解出了太阳直接辐射、地球红外辐射和地球反照的辐射角系数,再根据传热学理论建立了瞬态热平衡方程。

The result shows the inherence rules and degree of heat-transfer property are ...

解析结果揭示了工况变化时热物性分布变化对传热特性影响的内在规律和程度。

Initial condition and boundary conditions of heat transfer were calculated through the working process program and the empirical formulas.

传热初始条件和边界条件分别由工作过程模拟程序和经验公式计算得到。

Numerical simulation of temperature field of soil around the horizontal ground pipe;2. The paper presents a new technique of producing methane with solar heating in cold area,develops the experiment system for producing methane with solar heating,studies the heat-transfer content、temperature difference of heat interchanger and temperature field of soil around the digester fermenting,gives the value of heat .

为解决北方地区由于冬季气温、地温低,沼气生产存在产气率低、使用率低、原料分解率低、沼气使用综合效益差等问题,文章介绍了一种利用太阳能加热制取沼气的方法,建立了太阳能加热制取沼气的试验系统,研究了换热器的加热量、进出口温差以及沼气池周围土壤温度场的变化情况,并给出了换热器的传热系数。

The paper presents a new technique of producing methane with solar heating in cold area,develops the experiment system for producing methane with solar heating,studies the heat-transfer content、temperature difference of heat interchanger and temperature field of soil around the digester fermenting,gives the value of heat .

为解决北方地区由于冬季气温、地温低,沼气生产存在产气率低、使用率低、原料分解率低、沼气使用综合效益差等问题,文章介绍了一种利用太阳能加热制取沼气的方法,建立了太阳能加热制取沼气的试验系统,研究了换热器的加热量、进出口温差以及沼气池周围土壤温度场的变化情况,并给出了换热器的传热系数。

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推荐网络例句

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在,'歼灭战perfuming自己与胡努特,那麼,他来到和SAT 。

The shamrock is the symbol of Ireland and of St.

三叶草是爱尔兰和圣特里克节的标志同时它的寓意是带来幸运。3片心形叶子围绕着一根断茎,深绿色。