temperature-difference heat engine

It is urgent require to study friction welding of high temperature alloy and heat-resisting steel, which used in hot dynamical parts of tank, vessel engine, etc.

高温合金与耐热钢的摩擦焊接成型与控制是坦克、舰船发动机等热动力部件连接发展的迫切需要。

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Besides, with several supposed diesel piston cases, it involves the examination of the speed of heat transfer and permeation and damping of temperature wave on the combustion-chamber surface of the internal combustion engine.

并以柴油机活塞为例，考察了在几种假定情况下，内燃机燃烧室壁面热传播的速度以及温度波的渗透和衰减情况。

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The temperature field computation of engine cabin is to obtain the temperature change law according to thermal regime of engine in and out and heat control measure. It can provide reliable theory gist for the majorization project of control and cooling.

发动机舱温度场的计算是根据发动机内外热状况及热控制措施来确定发动机舱各部分的温度变化规律，为控制及冷却方案的优化提供可靠的理论依据。

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Directly coupled fluid-heat simulation is employed in this paper to investigate the temperature field of cylinder head in a 4-valve gasoline engine by using of CFD software. Computational model includes cylinder head, cylinder block and water jacket.

使用CFD软件通过建立的气缸盖、机体和冷却水套组成的耦合模型，采用直接流热耦合方法计算了某四气门汽油机气缸盖温度场。

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The author also conducts the measurements on the engine of the surface temperature wave pattern under different wall surface average temperature, and of the characteristics of wall temperature of the surface temperature wave pattern and that of the surface heat flux under different operating mode.

实测了不同壁面平均温度下的表面温度波动形态及在不同工况下表面温度波形的壁温特性与表面热流率的壁温特性。

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