conductivity of heat 中文意思是什麼

conductivity of heat 解釋
傳熱性
  • conductivity : n. 【物理學】傳導性[力],傳導率;導電率[性,系數]。
  • of : OF =Old French 古法語。
  • 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...
  1. The effect of joule heat and mineral matter on conductivity of coal

    偏轉特性對自激振蕩射流的影響
  2. Total conductivity of heat exchanger of ellipse spiral ophidian coils

    正交橢圓螺旋盤管換熱器的總傳熱系數
  3. 6. through numerical simulations, effects of the adsorbent bed configuration, thermal conductivity and permeability of the adsorbent are analyzed. some technologies of heat transfer intensification are revalued

    通過吸附床內傳熱傳質的數值模擬,分析了吸附床結構、吸附劑的傳熱系數和透過度對系統性能的影響,一些有關吸附床的強化傳熱技術被重新評價。
  4. Standard test method for determination of the thermal conductivity of anode carbons by the guarded heat flow meter technique

    用防護熱流量計技術測定陽極碳熱傳導率的標準試驗方法
  5. Limiting the extraction of great amount of heat from the underground even more is the low thermal conductivity and low thermal diffusivity of rocks.

    由於巖石的熱導率和熱擴散率都比較低,更加限制了地下熱能的大量抽取。
  6. 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。
  7. Although a variety of techniques, such as addition of surface area, swirl flow devices, vibration of heated surface, vibration of fluid, are applied to enhance heat transfer, major improvements in heat transfer capabilities have been held back because of the low thermal conductivity of conventional heat transfer fluids

    隨著對熱交換設備換熱表面強化傳熱技術研究的深入,換熱工質的傳熱性能已成為影響熱交換設備高效緊湊性能的一個主要因素,低導熱系數的換熱工質已成為研究新一代高效冷卻技術的主要障礙。
  8. The paper introduces the fundamentals of the temperature distribution in the borehole drilled in the frozen formation, and discusses the ascertainment of these parameters, including the mass quantity of circulation medium, the coefficient of thermal conductivity of drilling rods, the coefficient of the intensity of heat exchange and the coefficient of unstable heat exchange between the rock and the circulation medium, and the rising of the temperature of the circulation medium in the bottom of the bore

    摘要介紹了凍土鉆孔內溫度分佈研究的理論基礎,其中主要討論了沖洗介質的質量流量、鉆桿桿壁的導熱系數、巖石同沖洗介質的熱交換強度系數與不穩定熱交換系數,以及孔底沖洗介質溫度升高值的確定。
  9. Ftir, thermal conductivity device and smart digital rounding temperature testing device are used to test the infrared absorption spectrum, thermal conductivity and temperature changes of the title coatings, it is concluded that when hudrotalcite and magnesium sulfate is mixed by 4 to 10, the heat insulation property is the best, and the temperature changes of nizi increased by 5 approximately compared with those without hydrotalcite and magnesium sulfate compound system, but the heat conduction coefficient is hardly increased because of the different mechanism of heat insulation of the fillers, which further prove that heat insulation with fillers is based on infrared barrier

    本文使用傅里葉變換紅外光譜儀、導熱系數儀和智能數字式巡迴檢測溫度測試儀分別測試了添加具有紅外阻隔能力填料的內墻塗料的紅外吸收光譜、導熱系數和溫度變化情況,通過測試結果得出結論:水滑石和硫酸鎂在質量比為4 : 10的時候,紅外阻隔性能最優,其溫差變化較沒有添加水滑石硫酸鎂復合體系時提高5左右,而對內墻塗料的導熱系數幾乎沒有影響,這是由於填料對塗料的保溫機理不同所致,同時也進一步驗證了填料是通過紅外阻隔來達到保溫效果的。
  10. Through applying thermodynamics theory, it is concluded that the heat conductivity of steel - fiber concrete is superior to normal one

    根據熱傳導理論對數據進行分析,得出了鋼纖維混凝土有較好導熱性以及鋼纖維混凝土的早期抗變形能力要強于普通混凝土的結論。
  11. Thermal conductivity is important thermal parameter, symbols the ability of heat exchanging

    導熱系數是液體的重要熱物性參數,其表徵流體的熱傳導能力。
  12. Seepage influences on the temperature distribution by means of heat transfer and communication, temperature influences on seepage field by changing the hydraulic conductivity and inducing fluid flow because of the temperature potential, thus finally approaching the stable seepage and temperature fields

    滲流通過參與熱量傳遞與交換影響溫度分佈,溫度通過改變介質滲透系數和溫度勢梯度引起水流運動來影響滲流場,兩者相互作用最終達到穩定的滲流場和溫度場。
  13. According to the serial - parallel, fourier law and equivalent thermal conductivity principles, the theoretical model of heat transfer for thermal conducting plastics and the theoretical formula of the predicted thermal conductivity could be built up by analyzing a thermal conducting element

    摘要運用等效熱導率法則,對填充型導熱塑料中的一個導熱單元進行分析,根據熱量傳遞的串並聯原理及傅立葉定律,建立導熱塑料中熱量傳遞的理論模型,推導出預測其熱導率的理論公式。
  14. The thermal conductivity of aluminum plate has a good thermal conductivity, so that the heating system is fast and heat distribution is uni tally friendly. heating rate is 4. 5 times higher than the traditional, so as to achieve rapid heating effect

    科學設計的導熱鋁板,安全牢固的嵌入萬能模板中,結實、平整且能夠承載,發揮其高效的傳導性能、環保性能,比傳統的混凝土施工方式節省40 %以上的燃料費,供熱效率在200 %以上。
  15. Analysis of heat transfer and effective thermal conductivity of high temperature fibrous insulation for thermal protection system

    熱防護系統高溫纖維隔熱氈傳熱及有效熱導率分析
  16. This product is a new kind of heat insulating material made by alumina bubble with relatively high strength, low density and thermal conductivity

    本產品是由氧化鋁空心球製作的新型隔熱材料,強度較高,密度和熱導率低。本產品在高溫下使用能大量節省能源。
  17. A solid - state shear compounding technology based on pan - milling ( s3c ) has established, by which the graphite with weakly combined structure are exfoliated and then compounded with pp at nanoscale. the obtained pp / graphite nanocomposites have greatly enhanced electrical and thermal conductivity. their structures and properties were characterized by analysis of particle size and distribution, sem, tem, xrd, the electrical conductivity, the thermal conductivity and heat - decomposition temperature etc. by taking advantages of the layered inorganic fillers with a weak interaction between layers ( e. g

    磨盤碾磨剪切力場使pp分子鏈斷裂,相對分子質量減小,石墨的導熱和潤滑性能抑制pp的降解和粉碎,使pp / yep250 (膨脹石墨250倍)復合粉磨盤碾磨固相剪切復合技術及導電導熱pp /石墨納米復合材料的制備與性能體中, pp分子運動活性提高,結晶能力增強,為pp在熔融加工中進一步向己剝離的石墨片層間擴散,形成納米復合結構創造了條件。
  18. As we all know, the heat transfer of geothermal heat exchanger ( ghe ) is affected by a lot of factors, where groundwater advection has a comparatively great impact indicated by experimental data. while almost all the design tools for ghe are based on principles of heat conduction and rely on some estimate of the ground thermal conductivity and volumetric specific heat. however, the large part of vertical u - type pipe lies in the saturated soil, especially in zones along the coast or with plentiful groundwater, which will be affected by groundwater advection greatly

    但是對於垂直u型埋管來說,管段大部分位於土壤飽和區內,實際上其穿透的地層中總是存在著地下水的滲流,尤其是在沿海(河、湖泊)地區或地下水豐富的地區,埋管的傳熱性能大部分都受到地下水滲流的影響,此時土壤內發生的是熱傳導和地下水滲流共同作用下的復雜的、非穩定的傳熱傳質過程(簡稱熱滲耦合傳熱過程) 。
  19. Effect of heat - treatment institutions on conductivity of 7075 aluminium alloy

    熱處理制度對7075鋁合金電導率的影響
  20. Possessing high conductivity of heat and elect ricity, aluminum finds wide application in indust ry

    因為鋁具有高的導熱性,所以在工業上獲得了廣泛的應用。
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