| 1. | Droplet ignition and extinction in practical combustors are strongly influenced by forced convection and turbulence . 在实际燃烧室中,液滴点火和熄火受到强迫对流和紊流的强烈影响。 |
| 2. | The experimental correlations for the forced convection - condensation heat transfer of flue gas in the heat exchanger are obtained by the experimental study result 根据实验研究结果拟合出了肋片管式冷凝换热器烟气强迫对流凝结换热的实验关联式。 |
| 3. | Rapid : time of desiccation and sterilization is obviously shortened by repid temperature - rising , forced - air convection , direct passing of dry and hot air through heated object 迅速:升温快,强迫对流,干热空气直接经过受热物体、干燥、消毒时间明显缩短。 |
| 4. | Non - domestic gas - fired forced convection air heaters for space heating not exceeding ? net heat input of 300 kw , incorporating an fan to assist transportation of combustion air and or combustion products 不超过300kw净热输入的非家用燃气强迫对流空气加热器内置风扇帮助排出可燃空气和或可燃产品 |
| 5. | En778 domestic gas - fired forced convection air heaters for space heating not exceeding ? net heat input of 70 kw , without ? fan to assist transportation of combustion air and or combustion products 没有风扇辅助传输可燃空气和或燃烧产品的净热输入不超过70kw的空间加热用家用燃气强迫对流空气加热器 |
| 6. | In our studies , three - dimensional internally finned tube ( 3 - d ift ) can be used to enhance single - phase forced convective heat transfer inside tube . the new type tube can be called a revolution in heat transfer augmentation 本文所研究的被称为强化传热革命的三维内肋管就是应用于各种换热器中单相强迫对流换热的新型强化传热管。 |
| 7. | Single - phase forced convective heat transfer inside tube is an important research realm in the technology of heat transfer augmentation . it plays an important part in saving energy and decreasing the volume and weight of heat exchanger 管内单相强迫对流换热是强化传热技术的一个重要研究领域,在降低换热器的能源消耗,减小换热器体积和重量方面起着十分重要的作用。 |
| 8. | Here is the result , during yvo4 odd - crystal growing under cz method , while fusibility contain nature - convection by temp - grads and impose - convection by crystal - circumvolve , which make it difficult to growth large dimension odd - crystal 数值模拟的结果表明,在cz法生长yvo _ 4单晶过程中,由于熔体中存在着因温度梯度引起的自然对流和晶体旋转引起的强迫对流,使生长大尺寸单晶有着一定的困难。 |
| 9. | An analytical model for the forced condensation of steam in the presence of noncondensable gases was proposed based on the mass , momentum and energy conservation equations of condensing mixture flow , involving the analogy between heat and mass transfer in the gas / liquid interface 总之,蒸汽流量、空气含量和系统压力是影响蒸气冷凝的重要因素。相似的基础上,建立了竖直管内蒸气强迫对流冷凝的一维分析模型。 |
| 10. | ( 4 ) after the rationality of numerical simulation has been testified , going along a series of numerical simulation and performance research . firstly , the thermal superposition principle , based on adiabatic heat transfer coefficient and superposition kernel function , is put forward for the research of discrete heat sources ’ temperature field and thermal conjunction effects secondly , decreasing thermal spreading resistance is good for improving the heat transfer performance , and several methods are discussed 第一、在热叠加原则理论基础上,利用数值模拟方法研究了固态组件的温度场和多个分散热源在热扩展体上的热耦合效应,而且证明了强迫对流情况下热叠加原理形成的温度场和系统模拟时的温度场计算结果非常吻合;第二、针对固态组件里集中热源的特点,对扩展热阻进行了研究,从理论上探讨了减小扩展热阻改善散热性能的方法。 |