建立了室内表面对流辐射耦合换热方程,着重讨论了采用表面换热分析法求解表面传热系数以求解壁温的方法。
Applies the method of surface heat transfer analysis to calculating the convective heat transfer coefficient in order to solute the wall temperature.
一颗恒星其生命的绝大部分处于主序星阶段,在这一阶段它包含一个核心、辐射区和对流区、光球层、色球层和日冕。
A star during most of its life is a main-sequence star, which consists of a core, radiative and convective zones, a photosphere, a chromosphere and a corona.
科学家认为这种云雾由发电站以及烹饪生火等形成,可能像低对流层辐射热量,而冰川却正好位于这个位置上。
Scientists think this haze, which is created by power stations and cooking-fires, may be radiating heat into the lower troposphere, at altitudes in which glaciers are found.
代谢,蒸发,辐射,对流。
热气可由对流、辐射和热传导来传递。
Heat can be delivered by convection, radiation, and thermal conduction.
上图中,相对较低的积云(低于4500米)很可能是地面附近的水汽受太阳辐射,与低层大气发生对流所形成的。
The relatively low-level cumulus clouds (below 15, 000 feet) shown in this image are likely the product of moisture near ground level being cooked by the Sun and convected into the lower atmosphere.
上图中,相对较低的积云(低于4500米)很可能是地面附近的水汽受太阳辐射,与低层大气发生对流所形成的。
The relatively low-level cumulus clouds (below 15,000 feet) shown in this image are likely the product of moisture near ground level being cooked by the Sun and convected into the lower atmosphere.
一般温度的测量,只考虑对流换热对热电偶测温的影响,未考虑热辐射对热电偶测温的影响。
General temperature measurement only considers the effect of convection and conduction on the thermocouple measurement and not consider the effect of thermal radiation.
但是由于其周围温度环境(辐射、热传导及对流状况等)与电机内部的发热规律不一致,所以不能对电动机进行有效的保护。
But because of the temperature environment (radiation, heat conduction and convection) and the internal heat of the motor is not consistent, so we can not effectively protect the motor.
实验散热器总放热量中,热对流放热量约占61%,辐射放热量约占39%。
In total heat of radiator, convection heat radiation accounts for about 61%, and radiant heat is about 39%.
传热系数,热阻率,导热系数,换热器,热对流,热传导,热辐射,对流传热。
Heat-transfer coefficient, heat resistivity, heat conductivity, heat exchanger, heating convection, heat conduction, heat radiation, heat convection exchange.
为了研究对流和辐射对内含环形空气间隙的某火箭发射装药的非稳态温度场的影响,对装药温度场进行了数值模拟。
In order to study effects of convection and radiation on unstable temperature field of rocket charge with annular clearance in the interior, the charge temperature field was simulated.
本文建立了在锅炉炉内烟气对流加热和辐射加热状态下的煤粉颗粒群非稳态着火模型。
This paper presents a model on heating up analysis of pulverized-coal cloud heated by the smoke convection and radiation correlated in the boilers.
文中应用总放热系数等效考虑了CFRP压力容器固化过程中热压釜辐射与对流边界条件。
General heat release coefficient is used to equivalently consider autoclave radiation and convection of boundary condition during curing process for CFRP pressure vessel.
用数值方法分析了开口空腔中的湍流自然对流与表面辐射相互耦合的复杂传热。
The complex heat transfer of turbulent natural convection combined with surface radiation in open cavities is analyzed by numerical method.
对具有单个加热壁的二维方形开口空腔内的湍流自然对流与表面辐射的耦合传热进行了数值研究。
A numerical study is carried out for the combined heat transfer of turbulent natural convection and surface radiation in an two-dimensional open square cavity with only one heated wall.
综合考虑烟气、窑壁和料床间的传导、对流和辐射传热,建立了氧化铝熟料窑内一维传热模型。
According to the heat transfer of conduction, convection and radiation in between gas, kiln wall and clinker bed, established a one dimensional thermal model for the alumina clinker kiln.
研究在辐射和对流同时作用下肋根温度作周期性变化时矩形肋片的传热特性。
The heat transfer performance of a rectangular fin during periodic fin base temperature change is studied under simultaneous action of radiation and convection.
与传导和对流的原理不同,辐射可在完全真空中进行。
In contrast to the mechanism of conduction and convection , radiation may take place in a perfect vacuum.
使用结果证明:对于单侧上烧嘴均热炉,辐射-对流组合式换热器有着明显的优越性。
The application results demonstrate that the combined radiation and convection recuperator has remarkable advantages for top one-way-fired soaking pits.
由于暖体假人的对流及辐射散热特性与实际人体非常接近,因此,在热环境工效学研究中发挥着突出的作用。
Thermal manikin is playing an important role in the research of thermal environmental ergonomics, because its characteristic of convective and radiative heat loss is very similar to actual human body.
其中,辐射及对流传递主要集中在玻璃上,传导传递主要在窗框及玻璃,而空气渗漏则大部分是由门窗结构不合理或密封材料品质不佳造成的。
The radiation mainly happens on the glass surface, and the transmission on the window frames and glass. The air leakage is mostly owing to the improper window structure or bad sealing.
当地下室发生火灾时,随着温度的升高,对流、辐射等作用会使叠层橡胶支座处在一个高温的环境中。
When the basement is on fire, such as the role of convection, radiation will make laminated rubber bearing at a high temperature environment with the increasing temperature.
考虑了辐射和质量引射对流场的影响。
列车速度提高可以增强车壁的对流换热系数,进而减小辐射的影响,降低壁面综合温度。
Accelerating the train speed will increase convection and cut down the influence of radiation so as to lower the integrated temperature of walls.
该织物对传导热、辐射热和对流热均有良好的防护作用,而且透气、透湿性好。
This fabric exhibits not only fine protective effect against heat by conduction, radiation or convection but also good air and moisture permeability.
并重点讨论了人体着装与环境的对流换热、辐射换热、皮肤蒸发换热。
Convection, radiation and skin evaporation are emphasized between the human body with clothing and environment.
利用理论结果的计算表明,对流层的湍动对流完全有可能激发足够的波能去补充日冕中等离子体对流和辐射造成的能量损失。
Evaluation results show that the turbulence in convection zone is capable of generating enough wave energy to supply coronal energy lose due to convection and radiation.
综合对流、辐射两种传热形式,采暖舒适,散热器热价比更合理。
Integrated convection, radiation heat transfer of two forms of heating comfort, radiator heat bid was more reasonable.
综合对流、辐射两种传热形式,采暖舒适,散热器热价比更合理。
Integrated convection, radiation heat transfer of two forms of heating comfort, radiator heat bid was more reasonable.
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