熱換算因數 的英文怎麼說
中文拼音 [rèhuànsuànyīnshǔ]
熱換算因數
英文
heat conversion factors- 換 : 動詞1. （給人東西同時從他那裡取得別的東西） exchange; barter; trade 2. （變換; 更換） change 3. （兌換） exchange; cash
- 算 : Ⅰ動詞1 （計算數目） calculate; reckon; compute; figure 2 （計算進去） include; count 3 （謀劃;計...
- 因 : Ⅰ動詞[書面語] （沿襲） follow; carry on Ⅱ介詞1 [書面語] （憑借; 根據） on the basis of; in accord...
- 數 : 數副詞（屢次） frequently; repeatedly
- 換算 : [數學] matrixing; scaler; conversion; convert; translation換算表 conversion table; equivalent tab...
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A quasi - counterflow plate heat exchanger with hexagonal dividing plates is proposed for indirect heat exchange and evaporative cooling. numerical simulation is used to analyze three - dimensional flow and heat transfer processes
採用三維流動與換熱的數值計算方法對換熱器內傳熱過程的影響因素和機理進行了模擬研究。The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade
葉片內部通道冷卻是一個復雜的對流?導熱耦合傳熱問題，本文在分析葉片內部通道冷卻的流動與傳熱情況的基礎上，建立了三維、可壓縮紊流的物理模型，得到了通用的求解辦法；利用不帶擾流片的矩形直通道、帶順排擾流片矩形直通道、帶叉排擾流片、帶傾斜擾流片的矩形直通道的幾何模型，計算了冷卻空氣通過這幾種通道時的流動與換熱情況，得到了各種不同情況下計算區域的溫度場、壓力場、速度場；在此基礎上分析了不同的通道高度、不同的葉片通道材質對葉片內部通道冷卻的影響，並整理得到了各種通道形式下，努謝爾數和阻力因子與雷諾數的函數關系；本文重點研究了新型的葉片內部通道冷卻強化傳熱措施?帶擾流片的內部冷卻通道的強化傳熱效果，通過與光滑矩形直通道、帶針肋通道的冷卻效果的比較，表明了這種新型鮚構的優勢，對于葉片內部通道冷卻結構的設計可以起到指導的作用。The theoretical calculation has a good agreement with the test result in a 400mw hydro - generator. many factors that effect coolant flow and heat exchange was analyzed
通過400mw水輪發電機空心導線的實驗數據，驗證了計算程序的正確性，分析了各因素對介質流動和換熱的影響。I setted up the physical modele and calculation - domain for the conviction heat transfer enchancement by the longitudinal vortex, and did the numerical value simulation for the chang of the velocity filed and temperature filed which influnced by lvg. at the same time, i studied the generation develepment of the longitudinal and its mechanism for the heat transfer enchancement. by the analycise of the result, i got the pricipium rule of how the size, ratio corner and distence of the lvg have influence on the generation and develepment of longitudinal vortex, and gave out the relative construct parameter scope
通過對phoenics軟體進行應用開發，本文建立了渦旋強化換熱的物理模型和計算域，對擾流元作用下的流動速度場和溫度場的變化進行了數值模擬，研究了縱向渦旋發生發展及其強化對流換熱的機理。初步得出了擾流元的有關結構參數如總體尺寸、寬高比、攻角、間距等因素對渦流發生發展的影響規律，並給出了有關結構參數的取值范圍。The formulae for calculating coefficients of performance ( cop ) of metal hydride heat pumps ( mhhp ) for temperature upgrading are proposed after considering practical factors such as heat transfer of metal hydride bed and sensible heat exchange, which provide theoretical bases for reasonable selecting metal hydrides pair and adjusting diversified process parameters of mhhp
摘要考慮到金屬氫化物床的傳熱和換熱器間顯熱回收等實際因素，提出了升溫型金屬氫化物熱泵性能系數計算公式，為合理選擇金屬氫化物對，以及調整熱泵的各種工藝參數提供了理論依據。The heat transfer coefficients between immersed horizontal tubes and a vfb under different operating conditions were measured by using a computer data collection system. the factors that affect the heat transfer process were analyzed
運用計算機數據採集系統，測定了不同操作條件下的振動流化床水平換熱管束與床層的傳熱系數，分析了各因素對傳熱過程的影響。分享友人