传热
- heat transfer;conduct heat;heat diffusion;heat passage
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[heat transfer] 热依靠辐射、对流或传导,从一个物体传到另一物体(气体、液体、固体)
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大多数塑料不易传热或导电。
Most plastics do not readily conduct heat or electricity .
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在所有的固体中金属传热最快,它们是最好的导热体。
Of scuds metals conduct heat most quickly . They are the best heat conductors .
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再生器是溶液除湿空调系统中的重要传热传质部件
Regenerator is a crucial component in the liquid desiccant air conditioning system .
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传热对空气标准Diesel循环功和效率特性的影响
Heat Transfer Effect on the Net Work Versus Efficiency Characteristics for the Air-standard Diesel Cycles
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W火焰炉内流动和传热过程的预测
Prediction of fluid flow and heat transfer processes in W-type flame furnaces
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带有疏液盘的V型垂直沟槽管的冷凝传热研究
Study of Heat Transfer of Condensation on Vertical V-type Corrugated and Smooth Tubes with Drain-disks
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PTFE塑料空气预热器的传热分析
The Analysis of Heat Transfer for Pre-heating Air PTFE Plastic Heat exchanger
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传热规律为Q∝(ΔT)~m时热机的内可逆热经济学
The Analyses of Endoreversible Thermoeconomics for Heat Engine with Heat Transfer Law of Q ∝(Δ T ) ~ m
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应用分区非结构化网格,进行了二维可压缩湍流流场的数值模拟,在数值计算中应用了kε湍流模型,并考虑壁面热辐射的辐射传热模型;
The unstructural grid , k - ε turbulence model and heat radiator model were applied to simulation for a unsteady axisymmetric flow field .
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对于超临界通道(Bond数≥0.6)沸腾传热是池沸腾传热和液相对流传热的叠加。
For the su-per-critical channels with Bond ≥ 0,6 , two-phase heat transfer is assumed to be a superposition of pool boiling and liquid convective components .
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通过MatLab在若干导热过程实例中的应用,探讨稳态与动态传热过程中温度分布、传热量、热通量等参数的求解与分析方法。
The method of solution and analysis of temperature distribution , rate of heat transfer and heat flux was discussed by application of MatLab in several example of conduction .
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通过定义指数算子p~,对文献[1]中给出的复合板传热的传递函数的结构做了进一步的研究。
By defining a power operator p2 ~ , a further study is carried out on the structure of transfer function of heat conduction of complex board given in reference [ 1 ] , which is in the form of transcendental function form .
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通过建立简化程度不同的热分析模型,即一般TPS热分析模型及典型结构热分析模型,用以实现大面积TPS瞬态温度响应分析、TPS质量预测及具体防热结构/材料的传热细观设计。
General TPS thermal model and typical structure thermal models are investigated respectively to realize the TPS sizing and meso-structure parameters design of typical structures .
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以生态学函数为目标,研究传热规律为q△(1/T)的三热源热泵的优化性能,获得一些新的性能界限。
The optimal performance of a three-heat-source heat pump for the heat-transfer law of q △( 1 / T ) is studied by taking an ecological criterion as an objective function , and some new performance bounds are derived .
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随后,对凝结传热过程进行了分析,根据试验数据,利用传热计算方程式,拟合出Nu数和Re、Ln、Pr的准则关系式。
Then , according to the experiment data , a numeric equation of Nu , Re , Ln and Pr was elicited by the calculation result of a number of thermal equations .
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利用收集到的实验数据,在Bennett和Chen关联式与Rivera关联式的基础上进行管内强制对流沸腾传热的计算。
Rivera , the forced convective boiling heat transfer coefficients inside tube are calculated based on the correlations of Bennett and Chen , then compared with the experimental results .
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第五章对13X条形人工合成沸石床的传热传质进行了实验计算与理论比较分析。
In the fifth chapter , theory comparative analysis of heat transfer and quality transfer of 13X bar artificial synthesis zeolite bed was calculated and made .
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以内可逆卡诺热机模型为基础,考虑工质与热源间传热服从线性唯象传热定律Q∝(ΔT-1),寻求循环频率与热机特性的关系。
On the basis of endoreversible Carnot heat engine model , the frequency-dependent performance was analyzed while the heat transfers between working fluid and heat reservoirs obey linear phenomenological heat transfer law Q ∝(Δ T - 1 ) .
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采用CFX软件对皮江法镁还原炉内的烟气流动进行数学建模和仿真计算,研究镁还原炉内的烟气流动对炉子传热过程的影响情况。
Gas flow in a magnesium reduction furnace was numerically simulated with the comprehensive CFX software , and the effect of the gas flow on heat transfer process in the magnesium reduction furnace was studied .
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将高性能的传热元件热管应用于生物反应器开发出来的20L热管生物反应器具有反应器的温度分布均匀、传热效率高等优点。
20L Heat pipe bioreactor is exploited using high performance heat transfer element-heat pipe . It has many advantages such as uniformity of temperature profile , efficiency of heat transfer etc.
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采用数值模拟方法计算与比较了一台300MW汽轮机对分式凝汽器在半负荷工况时冷却水管全部工作和一半冷却水管投入工作两种运行方式下的汽相流动与传热特性。
The off-design steam flow and heat transfer behaviours of a 300 MW power plant condenser operating with either all or one half cooling water tubes at half-load conditions are numerically analysed and compared .
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应用传热、传热速率和能量三大平衡和优化设计原理,设计了抚钢的变压器功率7000kVA的公称10t电弧炉的管式水冷挂渣护壁。
The Pipe-type water-cooled Panel for a 10 ton , 7000 kVA electric Arc Furnace at Fushun Steel WOrks has been designed by using the balances of heat , heat transfer rate and energy 1 and the principle of optimum design .
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使用校正的渐进模型关联式,结合Thome核沸腾传质阻力效应校正,构造出多元物系流动沸腾传热计算方法。
Combined with the modified correlation of mass transfer resistance by Thone , a modified asymptotical model correlation for flow boiling heat transfer coefficient of mixtures was presented .
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通过对振动流化床(VFB)干燥装置中传热与传质过程的分析,建立了物料在其中的干燥特性模型,得到了振动流化床干燥装置物料出口含湿量与温度的计算公式。
The mathematical model of drying property in VFB dryer is established on the basis of analysis of heat and mass transfer in drying process . The formulas to calculate the exit moisture content and temperature of drying material are derived .
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针对1240mm×200mm板坯连铸提出了一种钢水内外复合冷却技术,即在结晶器内设置内冷却器-U形管,起到提高传热效率和改善钢液流动之目的。
A technology of inner-outer couple cooling of molten steel in mold for 1 () 240 mm × 200 mm slab concasting i.e.to set an inner cooling apparatus-U shape pipes has been advanced to enhance efficiency of heat transfer and improve flow of molten steel .
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文章介绍了DG753.82/45015型循环流化床锅炉的结构特性及传热机理,对其运行中的主要问题进行了原因分析,并提出了相应的改进措施。
This paper introduces the structure features and heat-transfer mechanism of DG75 3.82/450 15 type recirculating fluidized bed boiler , and makes analysis on the reasons of the main problems existing in its operation , and puts forward some corresponding improving measures .
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通过数值求解传热方程,计算了稳态的有效热导率。试车结果表明,PFDH-2绝热层可以对富氧环境下工作的发动机燃烧室实施有效热防护。
The governing heat transfer equations are solved numerically and effective thermal conductivity is calculated from the steady-state results . Results of subscale engine test show that the insulation ( PFDH-2 ) can be used for heat protection of oxidizer rich solid rocket engine chamber .
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冰箱试验包传热过程的仿真计算
Simulation Study on Heat Transfer for Test - Package in Freezer
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新型内冷式薄膜蒸发器的传热与蒸发性能
Heat Transfer and Evaporating Performance of the New-Type Inner-Condensing Thin-Film Evaporator
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固体火箭喷管烧蚀和传热的基本问题
Some essential problems with ablation and heat-conduction in solid rocket nozzle