heat transmission coefficient 中文意思是什麼

heat transmission coefficient 解釋
傳熱系數
  • heat : n 1 熱；熱力；熱度；熱量。2 體溫；發燒。3 （氣候的）高溫，暑氣。4 【冶金】熔煉的爐次；裝爐量；一...
  • transmission : n 遞送；傳遞；傳達；傳染；移轉；【機械工程】傳動；傳遞；變速器；聯動機件；【無線電】傳送；發射；...
  • coefficient : adj. 共同作用的。n. 1. 共同作用；協同因素。2. 【數，物】系數，率；程度。
  1. Industrial packagings. flexible and heat sealing protection materials of low coefficient of water vapour transmission p

    工業包裝.低水蒸氣滲透系數的熱密封軟包裝材料
  2. With experiments and theoretical analyzing, we find when the heat discharge is smaller than the entrainment limited, what influences the ability of heat - transmitting of work quality is the quantity of injection and dry limit fluid inventory, the optimum quantity of injection of the three working fluid is 8 ~ 14g ; and the delivering factor that transmission coefficient is determined by capillary limit, not the heat transmission ability of the thermal syphon. therefore, among the three working fluid, acetone is the best. low wind - speed has the obvious function in heat transmission of the thermal syphon

    本文通過實驗研究和理論分析，認為在熱流量小於攜帶極限時，影響工質傳熱能力的是cpu重力熱管的充液量和其乾涸極限，此次所實驗的三種工質，最佳充液量應當在8g ~ 14g ；傳輸因素主要決定普通熱管的毛細極限，而不是重力熱管傳熱能力的決定因素；三種工質中的最佳工質是丙酮；小風速時風速的變化對cpu重力熱管的傳熱有明顯的作用，但在風速大於1m / s以後，風速增加對于cpu重力熱管的傳熱能力的增加效果減緩。
  3. Industrial packagings. flexible and heat sealing protection materials. polyethylene based monolayer material having a water vapour transmission coefficient of 1 g m2 24 inferior or equal p inferior or equal 4 g m2 24 h

    工業包裝.撓性熱密封防護材料.水蒸汽透過系數為1g m2 . 24h p 4g m2 . 24h的聚乙烯基單層材料
  4. Thermal performance of buildings - transmission heat loss coefficient - calculation method

    建築物熱性能.傳熱損失系數.計算方法
  5. Thermal performance of building - transmission heat loss coefficient - calculation method

    建築物熱性能.傳輸熱力損失系數.計算方法
  6. Based on unsymmetrical heat environment, boresight error, boresight error slope and transmission coefficient of a specific shape radome have been calculated with indirect ray method

    在不對稱熱環境的基礎上，採用間接射線法計算天線罩瞄準誤差、瞄準誤差斜率及功率傳輸系數。
  7. Based on a cone - shaped compound heatshield, a series of research work has been done from the investigation of theoretical analyses of ablative and insulating principles and technical experiments. 1 based on the exploration of improving material performances, a feasible scheme of adding insulating functional layer is proposed ; 2 a simplified calculation method is proposed via establishing fea ( fmite element analysis ) and instantaneous heat transmission is calculated with the mentioned method ; 3 a practical engineering scheme is proposed through a series of experiments ; 4 the interface problems of the function layer are solved through co - curing method and successful samples are manufactured ; 5 in order to estimate properties, the heatshield was anatomized engineering applied possibility is explored on the analyses of performance evaluation by testing mechanical properties, coefficient of heat conductivity and doing dynamic ablative experiments, also, the comparison with that of the required materials is done

    本文以一錐形復合防熱套為研究對象，從燒蝕、隔熱機理的理論分析和工藝試驗兩方面，進行了一下研究工作： 1 、通過對提高材料及製品通過對提高材料及製品隔熱性能的多種途徑進行探討，提出了採用添加隔熱功能層，研究復合型大面積防熱套是理論有效、工藝可行的方案； 2 、通過建立有限元分析模型，對防熱套的燒蝕隔熱行為進行了理論分析，提出了簡化的隔熱計算方法，並用該方法對復合型防熱套的瞬態傳熱模型進行了分析計算； 3 、通過復合型防熱套的工藝探索試驗，提出了一種工程應用上切實可行的工藝方案。
  8. It presents a mathematical heat transfer model of air and soil temperature in greenhouse basing on the theory of transmission of heat. the model calculates the heat diffuse coefficient of soil by difference method and establishes regression equation on experimental data by sas

    基於傳熱學的熱傳導方程，利用測試的地溫數據，選用差分法計算了土壤熱擴散率，應用sas軟體擬合了非線性方程，建立了日光溫室土壤溫度場的數學模型。
  9. By researching heat conduction of air interlayer, the coefficient of heat transmission expression of vertical space layer is derived in stable condition

    對罐壁空氣夾層的導熱問題進行了研究。推導出了穩定狀態下，垂直有限空間夾層中傳熱系數的表達式。
  10. Thermal performance of buildings - transmission heat loss coefficient - calculation method iso 13789 : 1999 ; german version en iso 13789 : 1999

    建築物熱性能.熱傳輸損耗率.計算方法
  11. The theoretical analysis of large cryocondensation pump for nbi was mainly concerned. this paper emphasized on analyzing and calculating the heat load of cryocondensation pump, simulating thermal transmission coefficient and molecule transmission coefficient of radiation baffle according to monte carlo method, analyzing the process on cryo - surface and the factor of affecting pumping speed and hydrogen layer thickness of influencing cryo - parameter, etc. finally by verifying the pumping speed on large cryocondensation pump for neutral beam injection system, the pumping speed of 4. 0x105l / s ( for h2 ) was proven to be reasonable

    本文首先介紹了中性束注入系統的國內外發展狀況，闡述了中科院等離子體所ht - 7中性束注入系統的構成，主要對用於中性束注入系統的大型低溫冷凝泵的特性進行了理論分析；對冷凝抽氣面的熱負載進行了分析計算；用蒙特卡羅法對輻射擋板的分子傳輸幾率與熱傳輸幾率進行了模擬計算；研究了低溫表面的處理方法對抽速的影響以及氫層厚度對各低溫參數的影響；最後對用於中性束注入系統的大型低溫冷凝泵的抽速進行了驗證，得出的結論是：選取40萬升秒的抽速是合理的。
  12. Utilizing method of function extremum, it is proved that there lies minimum coefficient heat transmission in sealed vertical air layer, that is to say there exists the minimum theoretical equivalent conductivity factor. furtherly, the equation of the most excellent thickness of air interlayer is obtained

    運用函數求極值的方法，證明了封閉垂直夾層中的傳熱系數存在極小值，即封閉垂直夾層在理論上存在最小的當量導熱系數，並推導出了最佳空氣夾層厚度的理論公式。
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