conducted heat 中文意思是什麼

conducted heat 解釋
傳導熱
  • conducted : 品行端正的
  • 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. In this paper, the al3 + - doped zno thin films were prepared on na - ca - si glass substrate ( microscope slides ) by sol - gel process from 2 - methoxyethanol solution prepared by zinc acetate as premonitor, monoethanolamine as stabilizator and aluminum chloride reaction. homogenous, transparent, polycrystalline zno thin film was formed finally by diping coating conducted for film - plate on substrate, drying, pre - heat - treatment, anealing

    所用的溶膠是以乙二醇甲醚為溶劑,醋酸鋅為前驅體,乙醇胺為穩定劑反應制得,用浸漬提拉法在基體上鍍膜,經烘烤、預燒、退火,最後形成均勻、透明的多晶zno薄膜。
  2. The theoretical analysis on the operational characteristics of gshps taking into consideration of the characteristics that taking soil as the heat source and cold source, by means of thermodynamic methods, the theoretical research on the operational changing patterns of gshps with a scroll compressor using r22 as refrigerant has been conducted

    土壤源熱泵系統運行特性的理論分析針對以土壤為冷熱源的特點,運用熱力學的方法,對r22渦旋壓縮式土壤源熱泵系統的運行變化規律進行理論研究。
  3. Bloom, having the advantage of ten seconds at the initiation ad taking, from the concave surface of a spoon along the handle of which a steady flow of heat was conducted, three sips to his opponent s one, six to two, nine to three

    他比客人早喝了十秒鐘,從不斷地傳熱的調羹柄下端的凹面啜可可的速度是:對方每啜一口,他啜三口對方每啜兩口,他啜六口對方每啜三口,他就啜九口。
  4. The tests were conducted in the hypersonic low density wind tunnel at nominal test conditions of mach 16, stagnation temperature 923k, stagnation pressure 1. 40mpa and 7. 30mpa. heat - transfer data were obtained on a hemisphere model, a sharp cone and a big blunt cone respectively by means of infrared thermal mapping techniques, that of a 0. 5mm thickness blunt cone by virtues of thermocouples. furth ermore, heat - transfer on all those models was calculated with the theoretical method

    最後在名義m _ = 16 、 t _ 0 = 923k 、 p _ 0 = 1 . 40mpa及7 . 30mpa的高超聲速低密度風洞中,利用紅外熱圖技術獲得了半球圓柱、尖錐、大鈍頭三個模型表面熱流分佈,利用薄壁法技術得到了一壁厚為0 . 5mm的鈍錐模型表面的熱流分佈,並通過工程理論方法計算了模型表面的氣動熱,把理論計算結果與上述試驗結果比較,幾者符合得較好。
  5. ( 5 ) based on 1 - d horizontal tests for coupled movement of soil water, salt and heat transfer, theoretical analyses on the influence of temperature gradient on soil water and salt movement were conducted

    西安理工大學博士學位論文( 5 )根據水平一維土壤水鹽熱耦合遷移試驗,分析了溫度勢梯度對水鹽運動影響的機理。
  6. Based on the theories of gear engagement, contact analysis, friction and heat transfer, a three - dimensional finite element model of gear tooth was established to investigate temperature distributions and variations along the contact path over a range of applied loads and operating speeds with consideration of lubrication conditions. sensitivity analysis of surface temperature to gear configuration, frictional heat flux, heat transfer coefficients, and oil and ambient temperature was conducted and the major parameters influencing surface temperature were evaluated

    本文基於齒輪嚙合原理、輪齒接觸分析、摩擦學和傳熱學,以有限元分析方法和理論分析計算相結合為手段並以實驗測量結果作為參考,建立了適用於工業應用並具有較高計算精度的高速齒輪傳動輪齒溫度分析的模型和方法,系統地分析了輪齒本體溫度的大小和分佈以及齒輪幾何、載荷及轉速和潤滑冷卻條件等對輪齒本體溫度的影響。
  7. The calculation program using the matlab has been worked out to get the numerical solutions of the proposed models. the experiment has first been conducted in the laboratory to get the fundamentals thermal and moisture properties ( such as materials density, specific heat capacity and thermal conductivity ) and also the material moisture absorption isotherms of adobe building materials. the methods of measuring the surface mass transfer coefficient and material moisture content have been proposed

    首次對生土建築材料物性參數進行了實驗測試,得到了常用生土建築材料的密度、比熱和導熱系數等參數值,得到了生土建築圍護結構的等溫吸濕平衡曲線的擬合函數關系式;此外,研究了生土建築圍護結構表面質交換系數實驗測定方法,探索了利用電阻率測量生土建築圍護的安窪築科技人學博十學位論文結構內部含濕量的測試方法。
  8. On the basis of the test & amp; re search conducted, the way of optimizing the used hot - blast parameters and the s ignificance of increasing productivity and reducing the specific heat consumptio n were proposed, which provided references for the test, use and design im provement of the grain drier

    基於所進行的試驗研究,提出了優化糧食乾燥機廢氣參數的途徑及其對于提高生產率,降低單位耗熱量的意義,從而為乾燥機的試驗、使用和產品改進設計,提供了參考。
  9. Examinations of steady status and analysis of dynamic experiments have been conducted on band - tube evaporator and parallel - flow condenser using r134a refrigerant. the steady examination show that the model error was under the allowable error, the inlet mass and enthalpy disturb experiments indicate that the subsection model, be good at reflecting the change of parameters of the heat exchanger, accord with the basic principle of thermodynamics theory and the actual work status. hence, the subsection simulation model research has important benefits both on theory and engineering application

    在進行模擬試驗時,以使用r134a作製冷劑的管帶式蒸發器和平行流式冷凝器為對象,完成了穩態模擬計算、試驗和動態模擬分析,穩態計算結果和試驗數據對比表明,其誤差在允許范圍內;進口質量和焓值的擾動試驗結果表明:本文所建的區段式換熱器模擬模型,能很好的反映換熱器性能參數的動態變化,與系統熱動力學理論和冷凝器、蒸發器的實際工作過程基本一致。
  10. The preliminary experimental research is conducted to the process of heat and moisture transfer in building elements, hence an experimental technique is developed for the indirectly measurement of mass diffusivity and thermo - mass diffusivity of the moist porous media

    對多層多孔結構內傳熱傳濕過程進行了實驗方法的研究和探討,發展了間接測定多孔材料的質擴散系數和熱質擴散系數的實驗方法。
  11. The effective heat - transfer temperature difference ( t _ i ) of every effect of multi - effect evaporation subsystem and the preheat temperature rise ( t _ ( p, j ) ) of every level of multi - level preheat subsystem of the design model were distributed by equal heating area, equal heat - transfer temperature difference, and free proration methods. the simulation of design has been conducted by matrix method combined with iterative method. the free proration method transformed the decision variables from t _ i and t _ ( p, j ) with complex restriction into _ i 、 _ p, jwith the value range of 0 1, and provided a simple and convenient method for optimum design

    操作型模型分別以t _ 0 、 t _ k 、處理量f _ 0 、出料濃度x _ ( az )等不同控制變量為未知變量並採用矩陣法結合迭代法進行操作模擬計算;在操作模擬計算的基礎上,建立了復雜多效蒸發系統操作優化模型,該模型以濃縮成本最小為優化目標,以t _ k和f _ 0為決策變量,採用遺傳演算法結合矩陣法求解。
  12. This paper describes a hj 60 - y, y / 2. 5, 2. 5 - q type heat - pipe stove by beijing changxin lantian technology development co., ltd, which use an composite inorganic material as working fluid to heat oil and use natural gas as heat source. experiment is conducted to investigate heat - transfer performance of the special working fluid

    本文的研究對象是北京長新藍天科技發展公司設計製造的hj60 - y , y 2 . 5 , 2 . 5 - q型熱管加熱爐,爐內採用一種復合高效無機傳熱材料作為傳熱介質,加熱源選用天然氣,被加熱的工質為原油。
  13. The influence of external thermal insulation technology for external wall on variable charge for heating under two heat prices is analyzed, the study is made on the investment recovery period of external thermal insulation system for external wall at different shared ratios when the energy saving renovation of existing buildings is conducted for a certain external thermal insulation system with heating price of 40 yuan / gj

    分析了在兩部制熱價下外墻外保溫技術對可變熱費的影響,研究了採用某外墻外保溫系統進行既有建築節能改造,當熱價為40元gj時,不同分攤率下的外墻外保溫系統的投資回收期。
  14. A novel strip - coil - baffle structure used to enhance heat transfer and support the tube bundle for a tube - shell heat exchanger is proposed. the new structure can sleeve the tubes in bundle alternatively to create a vortex flow in a heat exchanger. the numerical simulation on the flow and heat transfer characteristics for this new structure heat exchanger is conducted. the computational domain consists of two strip - coil sleeved tubes and two bare tubes oppositely placed at each corner of a square. the velocity and temperature fields in such strip - coil - baffled channel are simulated using fluent software. the effects of the strip - coil - baffles on heat transfer enhancement and flow resistance in relation to the reynolds number are analyzed. the results show that this new structure bundle can enhance the heat transfer coefficient up to a range of 40 ? to 55 ? in comparison with a bare tube bundle ; meanwhile, higher flow resistance is also accompanied. it is believe that the strip - coil - baffled heat exchanger should have promising applications in many industry fields

    介紹了一種用於強化管殼式換熱器殼側傳熱和支撐管束的螺旋折流片新型結構,該結構是對換熱器管子相間地套上螺旋折流片以產生旋渦流動.研究模型是在正方形布置的4個管子中的2個對角管子套上螺旋折流片后形成的通道,利用fluent軟體對該上述四管通道模型的流場和溫度分佈情況進行了數值模擬;分析了四管通道模型中螺旋折流片對強化傳熱和流動阻力隨雷諾數的變化關系的影響.算例結果顯示該新型結構可比相同尺寸的光管通道中的情形傳熱系數提高約40 ? 55 ? ,同時也將伴隨較高的流動阻力.可以相信螺旋折流片式換熱器將會在許多工業領域有良好的應用前景
  15. Abstract : a novel strip - coil - baffle structure used to enhance heat transfer and support the tube bundle for a tube - shell heat exchanger is proposed. the new structure can sleeve the tubes in bundle alternatively to create a vortex flow in a heat exchanger. the numerical simulation on the flow and heat transfer characteristics for this new structure heat exchanger is conducted. the computational domain consists of two strip - coil sleeved tubes and two bare tubes oppositely placed at each corner of a square. the velocity and temperature fields in such strip - coil - baffled channel are simulated using fluent software. the effects of the strip - coil - baffles on heat transfer enhancement and flow resistance in relation to the reynolds number are analyzed. the results show that this new structure bundle can enhance the heat transfer coefficient up to a range of 40 ? to 55 ? in comparison with a bare tube bundle ; meanwhile, higher flow resistance is also accompanied. it is believe that the strip - coil - baffled heat exchanger should have promising applications in many industry fields

    文摘:介紹了一種用於強化管殼式換熱器殼側傳熱和支撐管束的螺旋折流片新型結構,該結構是對換熱器管子相間地套上螺旋折流片以產生旋渦流動.研究模型是在正方形布置的4個管子中的2個對角管子套上螺旋折流片后形成的通道,利用fluent軟體對該上述四管通道模型的流場和溫度分佈情況進行了數值模擬;分析了四管通道模型中螺旋折流片對強化傳熱和流動阻力隨雷諾數的變化關系的影響.算例結果顯示該新型結構可比相同尺寸的光管通道中的情形傳熱系數提高約40 ? 55 ? ,同時也將伴隨較高的流動阻力.可以相信螺旋折流片式換熱器將會在許多工業領域有良好的應用前景
  16. Experiments on operational characteristics of gshps with r22 were conducted under winter condition and the summer condition respectively. the changing patterns of temperature field around the underground vertical u - tube pipe loop, the heat exchanging characteristics between underground vertical u - tube pipe loop and soil, and the cycle performance of gshps were detected in detail, the experimental results are well summarized and analyzed

    開展了垂直u型埋管土壤源熱泵的冬季和夏季工況的運行特性的實驗研究,主要對地下埋管換熱器周圍的溫度場變化規律、地下埋管換熱器特性和土壤源熱泵系統循環性能的實驗結果進行了總結和分析。
  17. In the theoretical aspect, secondary combustion in ejectorjet and thermal throat was researched. theory of duct flow was conducted, the difference and homology between heat added flow and entropy fixed flow was described

    在理論研究方面,本文對引射火箭二次加熱及熱力喉道進行了研究,推導並分析了一般的管流理論,闡述了加熱管流與變截面等熵管流之間的異同。
  18. The characteristic of combined heat and mass transfer by natural convection has been the focus of researches for a long time. numerical analysis is conducted for combined heat transfer and mass transfer by natural convection on inclined surface. effects of the inclination angle and the ratio of buoyancies due to heat diffusion and mass diffusion on fluid flow and heat and mass transfer characteristics have been investigated for pr = 0. 7 and sc = 0. 05 - 5. 0

    本文採用數值計算方法研究了傾斜平面上的傳熱傳質復合自然對流,求解了動量、能量及質量的完整方程,考察了熱質擴散共存時傾斜平面上的流動和傳熱特性,著重分析了熱浮力及物質擴散浮力之比b和傾斜角度對流體流動和傳熱傳質特性的影響。
  19. Based on the comparative analysis of two available heat system plan, the paper selects the water - water heat pump system plan. after a series of character analysis, design calculation ; the style of compressor including media choosing and its circle dynamic calculation for the thermodynamic system is determined. besides this, based on some basic measure of thermodynamic analysis, the heat pump coefficient of performance is discussed ; the exergy analysis for the water - water heat plan is conducted ; the calculation formula of heat pump exergy efficiency is derived ; an optimal model for heat pump together with thermal machine is established and the main exchanger equipment in heat pump system including its resistance calculation is designed in details

    本文通過對兩種系統方案進行比較分析,確定了水環熱泵系統的基本方案,經過定性分析和設計計算,進行了壓縮機的選型、工質的選擇、熱力系統的循環計算等基本設計,同時應用熱力學分析的一些基本方法,討論了如何評價熱泵系統的性能系數,並對電廠循環水余熱回收熱泵系統進行了(火用)分析,得到了熱泵過程(火用)效率的計算公式,建立了熱泵?熱機聯合機組優化模型,還對熱泵系統的主要換熱設備進行了詳細的結構設計和阻力計算,最後對熱泵系統進行了技術經濟分析和評價。
  20. And last, the experimental data are treated by using a program, and a comparison between the theoretical and the experimental results of the condensation heat transfer coefficient outside horizontal tubes with annular fins is conducted

    最後,編寫了計算程序,進行數據處理,求得管外冷凝表面傳熱系數的理論值與實驗值,對二者進行了比較,分析了誤差產生的原因,提出了冷凝器的改進方法。
分享友人