heat balance
- heat balance的基本解释
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[化] 热量衡算
- 相似词
- 更多 网络例句 与heat balance相关的网络例句 [注:此内容来源于网络,仅供参考]
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Based on a computing model of floor heating residences, indoor thermal environment and heat distribution under the effect of heat charge/discharge, operation control and solar radiation has been concluded. Concept and formula of equivalent heat supply has been put forward which indicate that actual heat supply will be equal to the sum of design heat supply and equivalent heat supply. Recommend coefficient has been given taken Dalian as an example. Computed according to the new method, design heat supply can be reduced to 37% in cloudy day and 43.3% in sunny day, energy saving effect is very obvious. In Tromb wall solar house, effect of concrete wall on indoor temperature swing and attenuation of temperature wave is very obvious. While the outdoor air-temperature swing exceeds 10℃, indoor air-temperature swing belows 3℃. In the experiment, maximal difference in temperature between inner surface and outer surface of the 300mm wall exceeded 10℃. Heat storage and collector efficiency varies adversely according to solar radiation. Factors such as thickness, material, absorptance of the wall and permeation of the glass cover all have big influence on heat storage and collector efficiency. There exsisted an optimal thickness of the wall, which can make the best of heat storage and collector efficiency. Most of the heat stored in conventional Trombe wall during the daytime has been lost to the outside at night without heat preservation. Heat preservation on the outside surface of the wall has effectively improved heat release performance of the wall at night, heat supply to the room has increased too.
通过建立的地板采暖系统动态热性能分析模型,得出了在蓄放热特性、运行方式和太阳辐射等因素耦合作用下的室内热环境及热量分配比例,提出了等效供热量的概念及计算公式,指出实际所需供热量应等于设计供热量加上等效供热量,并以大连为例,给出了等效供热量的修正系数,以新方法计算,阴天可减少设计供热量37%,晴天最大可以减少设计供热量43.3%,节能效果显著;集热蓄热墙式太阳房中,混凝土蓄热墙的室温均一化效果和对温度波的削减作用非常明显,当室外温度波动最大幅度超过10℃时,室温波幅不超过3℃,实验中300mm厚墙体内外表面温差超过10℃;墙体蓄热效率与集热效率随太阳辐射照度的变化呈相反的变化趋势;墙体厚度、材料、表面吸收率以及盖板透过率等因素对集热和蓄热效率均有较大的影响,存在一个最佳的墙体厚度值,使得墙体集热和蓄热综合性能最优;传统的蓄热墙夜间没有外保温,辐射散热损失很大,研究表明墙体外保温方式明显改善了蓄热墙夜间的散热性能,增加了向室内的供热量。
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The method of CFD numerical simulation is employed to replace experimental investigation. Hence, STAR-CD of the commercial software is used to simulate the outer flow field and heat transfer performance of integrated heat sink with heat pipes cooled by airflow. It is found that simulated results agree with experimental results well, which indicates that simulation method is reasonable and reliable. Further, simulated computations for different fin thickness, fin pitches and air velocities are performed to analyze their effects on heat transfer performance of heat sink. Finally, a new optimized structure of integrated heat sink with heat pipes is provided to meet future demands for cooling CPU and its heat transfer is also evaluated. For multi-heat source and higher dissipation power of electronic devices, the integrated heat sink with heat pipes attatched fins stagged in different positions of channels is presented and its flow and temperature fields are also simulated to enhance heat transfer. As a conclusion, all mentioned above are useful for the design of heat sink with excellent efficiency of heat dissipation and further research.
应用商业软件Star-CD对CPU集成热管散热器的外部流场和传热特性进行了数值模拟,将数值模拟结果和试验结果对比,验证了所提出的数值计算方法是可靠和可行的;利用此数值模拟方法对CPU集成热管散热器在不同散热翅片间距、厚度和气流速度下散热器的流动与传热性能进行了数值计算,分析了这些参数的变化对散热器传热性能的影响;针对未来CPU冷却的要求,确定了与最优气体流速匹配的最佳翅片间距、厚度的CPU集成热管散热器的新结构;利用试验评测了根据数值模拟提供的新结构开发出的新CPU集成热管散热器的传热性能;最后在场协同强化传热的理论的基础上,对CPU集成热管散热器的散热翅片错位排列来强化散热器的散热,满足未来大功率、多热源的电子元件的散热,为今后进一步优化散热器提供了依据。
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It discusses weightily the heat balance mechanism of man body, establishes equation of degree of heat comfort, measures the heat balance parameters of workers in scene and then gets the degree of heat balance. It also study the effect which high temperature affects to physiological function of human, the effect including: high temperature affects to colliers' body temperature, nervous system, cardiovascular system, heat balance, breathing system and excretion system. The test grades and analyzes the labor intensity and establishes index of heat environment in mines.
论文重点论述了人体的热平衡机理,建立了热舒适度方程,对工人的各种热平衡参数现场测定,得出矿工的热平衡度;研究了高温对人体生理功能的影响,其中包括:高温对矿工体温、神经系统、心血管系统、热平衡、呼吸系统和排泄系统的影响;对矿工的劳动强度分级、评价,分析建立了矿内热环境指标。
- 更多网络解释 与heat balance相关的网络解释 [注:此内容来源于网络,仅供参考]
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heat balance:热平衡
加热;预热 heat addition | 热平衡 heat balance | 热障 heat barrier
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heat balance:热量平衡
heat apoplexy 热射病 | heat balance 热量平衡 | heat budget 热量平衡
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heat balance:热平冲
heat 热 | heat balance 热平冲 | heat capacitor 储热器
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heat balance:热量均衡
heartwood 心材 | heat balance 熱(量)均衡 | heat budget 熱量收支
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heat balance diagram:热流图
热平衡表heat balance table | 热流图heat balance diagram | 回转窑rotary kiln
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