测量流过某一截面上的对流热流量，可以归结为测量流过该截面上各点介质的温度和速度。
The measurement of heat flux in convection through a cross section can be made by measuring the temperature and the velocity of flow of the medium at certain point of the cross section.
它简化了木质部组分传导热流和热源与环境空气的对流热流的估算(从三对热电偶减少到一对)。
This method simplified consists essentially in simplifying the valuation of the thermal conduction flux in xylem components and that of the thermal convection flux from heat source to surrounding air.
计算得出，由于热流计测头的出现，对流换热系数的变化会给热流测量带来较大误差。
Conclusions can be drawn that changes of the convective heat transfer coefficients can bring error because of the appearance of heat flux sensors.
热分析中考虑了坯料的初始温度、外加热源和冷却源的热流密度以及坯料和空气的对流传热。
In the thermal analysis, the initial temperature of billet, beat fluxes (heat flow per unit area) of positive and negative value and convections to surrounding air are considered.
详细讨论了热流道板的流道设计、加热形式及热功率计算、热膨胀量补偿以及密封等问题，并对流道板的制造方法作了介绍。
The design and manufacture of hot runner plates, including its runner, heating mode, calculation of thermal power, compensation for thermal expansion amount and sealing, etc. were discussed in detail.
同时还首次提出金属辐射反向热流是强对流间歇式炉内不可避免的新型传热特征。
At the same time, it has been firstly put forward that inverse heat flux of metal radiation is a unavoidable heat transfer property in the batch furnace with force...
在研究对流换热时，常采取反向热流的实验方法。
The experimental method of reversed heat flow is often taken when studying on convective heat transfer.
在恒定热流密度条件下，对单相流体分别强制轴向层流流经多孔泡沫金属换热器管内、外的流动和对流传热的均匀性进行了分析。
The distributions of velocity and temperature of fluid inside the tube fitted with the porous metal foam were more uniform than that of the blank tube.
根据实验与计算结果，还揭示了金属辐射反向热流是强对流间歇式炉内不可避免的新型传热特征。
It was revealed from the results of experiment and calculation that inverse heat flux of metal radiation is an unavoidable heat transfer char...
研究表明，表面对流换热系数15%的不确定量可以导致建筑围护结构预测热流15 ~ 20%的不确定量。
The results show that 15% indefinite quantities of convective heat transfer on the surface can lead to 15 ~ 20% indefinite quantities of building envelopes when estimating heat flux.
研究表明，表面对流换热系数15%的不确定量可以导致建筑围护结构预测热流15 ~ 20%的不确定量。
The results show that 15% indefinite quantities of convective heat transfer on the surface can lead to 15 ~ 20% indefinite quantities of building envelopes when estimating heat flux.
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