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  heat
    Augmentation and Optimization on Heat Conduction and Convection Processes
    导和对流换过程的强化与优化
短句来源
    Enhanced Heat Transfer Technology of Longitudinal Vortices Based on Field-Coordination Principle and Its Application
    基于场协同理论的纵向涡强化换技术及其应用
短句来源
    Multi-stream Heat Exchanger Networks Synthesis with Genetic/Simulated Annealing Algorithm
    用遗传/模拟退火算法进行具有多流股换器的换网络综合
短句来源
    Thermodynamic Analysis and Application of Convective Heat Transfer
    对流换过程的力学分析及其应用
短句来源
    Visual Study and Analysis on Flow and Heat Transfer in Microchannel
    微细通道内流动与换可视化实验研究与分析
短句来源
更多       
  heating
    Optimum Rate of Heating of a Carnot Heat Pump
    卡诺泵的最佳泵
短句来源
    THEORETICAL ANALYSIS OF HEATING SEMI- INFINITE OBJECT WITH IMPACT THERMAL STRESS PROBLEM
    冲击加半无限体应力问题理论分析
短句来源
    Low Cycle Fatigue Life Prediction of Diesel Engine Heating Components
    柴油机受零件的低周疲劳寿命预测
短句来源
    THERMAL CALCULATION FOR BURNING COAL ORGANIC HEAT CARRIER HEATING FURNACE
    燃煤油载体加炉的力计算
短句来源
    Study of the Optimization of the Design of Coiled Heating Medium Furnace
    盘管式载体炉的优化设计探讨
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更多       
  heated
    Numerical Analysis on Thermal Drag and Entropy Generation of a Heated Pipe Flow
    加圆管流动阻力及熵产的数值分析
短句来源
    METHOD FOR CALCULATING THERMAL DRAG OF A HEATED BODY GOING UNDERWATER BY CHARACTERISTIC PARAMETERS OF WAKE FLOW
    用尾流特征参数确定水下航行加阻力的计算方法
短句来源
    An Experimental Study of Falling Liquid Film Heated Flow and Heat Exchange
    下降液膜受流动与换的实验研究
短句来源
    Design and Calculation of the Electricity Heated Boiler and Electrical Heat Accumulator
    电锅炉和电器设计计算
短句来源
    Characteristics of Inductive Heating Applied to Thermal Fatigue Test-Bed for Heated Engine Parts
    发动机受疲劳台架的感应加特征
短句来源
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  heat thermal
    Experimental Study of Heat Transfer Enhancement of Latent Heat Thermal Energy Storage
    相变储装置传强化的实验研究
短句来源
    THERMAL PERFORMANCE OF A LATENT HEAT THERMAL STORAGE MODULE WITH FLOW FLUID INSIDE TUBE AND PHASE CHANGE MATERIAL OUTSIDE
    管内流体流动管外PCM发生相变的贮能系统性能研究
短句来源
    The emphases in this paper are the measurement and analysis of thermalcharacteristics of stearic acid as phase change material and the design and simulationof the Latent Heat Thermal Storage Radiator.
    全文共分为五个部分,硬脂酸相变过程中性能的测试与分析、相变蓄式电暖器的设计与模拟是本文的重点。
短句来源
    Latent heat thermal energy storage (LHTES), can storage energy by change the phases of phase change materials(PCMs), which can be used to solve the nonconformity problem on supply and demand time of solar energy and industry waste heat. At the same time, it can be uesed in shifting the peak heating and cooling loads off-peak hours.
    相变储系统通过相变材料相变时需要吸收(或放出)大量量的性质实现能量存储,这对于解决太阳能与工业废在供求时间上的不一致问题,以及实现电力的“移峰填谷”,具有重要的实用价值。
短句来源

 

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      heat
    As applications, the wave equation on?+ × ?+ and the heat equation in a semi-infinite rod are considered in detail.
          
    In a much cited article, Yau [5] proved that when the Ricci curvature is bounded uniformly below, then the only bounded solution to the heat equation ?tμ=Δμ on [0, ∞) × M which vanishes at t=0 is the one which vanishes evarywhere.
          
    Well-posedness of a semilinear heat equation with weak initial data
          
    In the first part the initial value problem (IVP) of the semilinear heat equation with initial data in is studied.
          
    For the analogs of the heat and wave equation, we give algorithms for approximating the solution, and display the results of implementing these algorithms.
          
    更多          
      heating
    The nonlinear PDEs consist of a heat equation with the Joule heating as a source and a current conservation equation with temperature-dependent electrical conductivity.
          
    In order to get these second-order error estimates, the Joule heating source is used in a changed equivalent form.
          
    There were different TG curves for unprepared and calcined Magnetitum (Cishi) samples on heating.
          
    Compound 3 exhibited the enchased texture of a smectic liquid crystal from 209.4°C to 219.5°C on heating, while 2 exhibited a liquid crystalline phase from 87.4 to 83.2°C on cooling.
          
    In particular, the differential thermal analysis curves for the decomposition of CeO2 nanocrystalline precursor were measured at different heating rates in air by a thermal analyzer (NETZSCH STA 449C, Germany).
          
    更多          
      heated
    Based on the numerical simulation results, the spatial effects of the ionosphere, mainly consisting of the change on electron density (ED) and electron temperature (ET), heated by the high frequency (HF) pump wave have been analyzed quantitatively.
          
    The poplar wood samples were impregnated with the modifiers and heated to prepare UF-SiO2-wood composites.
          
    An experimental study on the natural convection heat transfer on a horizontal downward facing heated surface in a water gap was carried out under atmospheric pressure conditions.
          
    The results show that the buoyancy force acts as a resistance force for natural convection heat transfer on a downward facing horizontal heated surface in a confined space.
          
    A numerical study of helium-heated inorganic membrane reformer coupling to HTGR
          
    更多          
      heat thermal
    The three-dimensional thermal spike model ("hot ion track") with the temperature dependence of thermodynamic parameters (specific heat thermal conductivity) is formulated for single-layer mono-and polycrystals and multilayer systems (materials).
          
    Study on performance of a packed bed latent heat thermal energy storage unit integrated with solar water heating system
          
    This paper investigates the transient behaviour of a finned tube latent heat thermal storage (LHTS) module that is put into use in space based power systems, or such similar energy storage applications.
          
    The most PCMs with high energy storage density have an unacceptably low heat conductivity and hence internal heat transfer enhancement techniques such as fins or other metal structures are required in latent heat thermal storage (LHTS) applications.
          
    Blood flow was estimated using heat thermal clearance (HC).
          
    更多          


    The phenomellon of limiting heating is of vital importance and interest in the study of gas' flow through a tube with heat additioll fi.om both theoretical and practical points of view. In particular, it has applications to the design of thel.mal ducts of pl'opulsive devices for high speed aircraft. TI}ils poper col,sists of a prelimillary "study Of limiLing'heating for the;(jfole case of a perfect gas in steady flow through a tube of unifornl cross section. It starts from tile fulldamelltal laws governing...

    The phenomellon of limiting heating is of vital importance and interest in the study of gas' flow through a tube with heat additioll fi.om both theoretical and practical points of view. In particular, it has applications to the design of thel.mal ducts of pl'opulsive devices for high speed aircraft. TI}ils poper col,sists of a prelimillary "study Of limiLing'heating for the;(jfole case of a perfect gas in steady flow through a tube of unifornl cross section. It starts from tile fulldamelltal laws governing the gas now, fi-om which analytical condiLion for limiting heatillg is then derived, and the beavior of gas at exit as resulted. from limiting heating is discussed in some details. Among the conclusions thus obtained, it is interesting to notice that, as the result of limiting hear,ing the gas is leaving tile exiL with less temperature or velocit,y within certain ranges of initial Mach Number; and that sonic s'tate is 'the limiting state that could be reached by ally flow, subsonic or supersonic, t}lrough 11eat addition.

    管内稳流气体之加不能超过一定之限度,逾限即发生所谓限塞现象.在气体动力学之理论与实际上,极限加为一重要而饶有兴趣之问题.在现代高速度航空推进机管部份之设计大多应用。本文试就极限加作初步之分析:篇首先述气体流动之基本定律,由此以诱导加限度公式,再由此讨论气体经过极限加後之状态,并就气体加前之流速分次声速(subsonic),声速(sonic)与超声速(supersonic)三种情况加以比较.在本文所得结论中,有值得吾人注意者即流动气体在某一速度范围之内其温度与速度反因加而减低.此外声速状态(sonic state)为任何流动,(flow),不论是超声速底或次声速底,经加後所能达到之极限状态,亦由本文根据极限加之理论加以证明.在 paul Ghambre与林家翘两先生之“On the steady Flow of a Gas Through aTube with Heat Exchange orchemical Reaction”文中会有仝样之结论,共立论系从气...

    管内稳流气体之加不能超过一定之限度,逾限即发生所谓限塞现象.在气体动力学之理论与实际上,极限加为一重要而饶有兴趣之问题.在现代高速度航空推进机管部份之设计大多应用。本文试就极限加作初步之分析:篇首先述气体流动之基本定律,由此以诱导加限度公式,再由此讨论气体经过极限加後之状态,并就气体加前之流速分次声速(subsonic),声速(sonic)与超声速(supersonic)三种情况加以比较.在本文所得结论中,有值得吾人注意者即流动气体在某一速度范围之内其温度与速度反因加而减低.此外声速状态(sonic state)为任何流动,(flow),不论是超声速底或次声速底,经加後所能达到之极限状态,亦由本文根据极限加之理论加以证明.在 paul Ghambre与林家翘两先生之“On the steady Flow of a Gas Through aTube with Heat Exchange orchemical Reaction”文中会有仝样之结论,共立论系从气体瞬间状态之分析入手,不涉加限度.本文则从气体起始与终结状态间之关系着手,而以极限加为讨论中心.如与二氏原文参看可以相中互印证补充。

    This paper proposes a method of analysis for problems of complex heat transfer in high-temperature furnaces, based upon the idea of thermal resistances in series and in parallel, and gives formulae for calculating the chief items of thermal resistances in a rotary kiln. It is proposed to use △(Tn) as the driving force in radiant heat-transfer. In a full discussion of periodic heat-flow into and from a refractory lining, it is pointed out that the "Thermal impedance" applicable to average values of temperature...

    This paper proposes a method of analysis for problems of complex heat transfer in high-temperature furnaces, based upon the idea of thermal resistances in series and in parallel, and gives formulae for calculating the chief items of thermal resistances in a rotary kiln. It is proposed to use △(Tn) as the driving force in radiant heat-transfer. In a full discussion of periodic heat-flow into and from a refractory lining, it is pointed out that the "Thermal impedance" applicable to average values of temperature and heat flow is different from the ordinary a.c. impedance (applicable to r.m.s. values), and an approximate formula based upon rational analysis is given. The simplified mechanism of heat transfer between granules of calcinated material is also discussed.

    本文根据串联和并联“流阻力”的概念,提出了综合解决窑炉传问题的“流线路分析法”,并分别解决了旋窑中各项主要“阻力”的计算公式。本文中建议把△(T~n)作为辐射传的推动力。在讨论衬砖周期蓄过程中,指出了适用於温度及流的平均值的“阻抗”公式,与适用於“方均根值”的交流阻抗公式不同,并提供了一个有理论根据的近似公式。对物料粒子间的传机理亦作了初步分析。

    In this paper, we have investigated the influences of heating surfaces, using copper, brass, stainless steel, nickel-plated, and chromium-plated heating suffaces. We found that, brass surface gave the highest a, while chromium-plated surface the lowest. This can be explained by the fact that the contact angle between liquids and metallic surfaces are different.

    关於液体沸腾给系数的准数方程式,前人虽提出不少,但都不够完善,特别是各种盐溶液或多组份的液体混合物,其沸腾给机理尚待研究。前人实验结果往往相差很大,甚至结论有互相矛盾的地方。 本文采用的研究设备是大容积内水平元管及水平元钣的加装置。传表面的材料有黄铜,紫铜,不锈钢,镀镍,镀铬表面等种,以比较不同传面的影响。对同一材料的传,又比较了清净表面,老化表面,和有污垢表面的影响。水平元管及水平元钣均用电,元管的负荷为1300~40000千卡/米~2·小时,元钣的负荷范围为20000~900000千卡/米~2·小时。所用物料是清水,5~20%的食盐溶液。研究的结果是: (1)在低负荷下,加表面材料不同对沸腾给是有影响的,主要是由於不同材料对液体的湿润能力不同,接触角大小不同的缘故。但这种影响只是数量上的,对沸腾机理并无影响,也即在下列关系中: a=c·q~n, (1)c值对各种表面来讲是不同的,但...

    关於液体沸腾给系数的准数方程式,前人虽提出不少,但都不够完善,特别是各种盐溶液或多组份的液体混合物,其沸腾给机理尚待研究。前人实验结果往往相差很大,甚至结论有互相矛盾的地方。 本文采用的研究设备是大容积内水平元管及水平元钣的加装置。传表面的材料有黄铜,紫铜,不锈钢,镀镍,镀铬表面等种,以比较不同传面的影响。对同一材料的传,又比较了清净表面,老化表面,和有污垢表面的影响。水平元管及水平元钣均用电,元管的负荷为1300~40000千卡/米~2·小时,元钣的负荷范围为20000~900000千卡/米~2·小时。所用物料是清水,5~20%的食盐溶液。研究的结果是: (1)在低负荷下,加表面材料不同对沸腾给是有影响的,主要是由於不同材料对液体的湿润能力不同,接触角大小不同的缘故。但这种影响只是数量上的,对沸腾机理并无影响,也即在下列关系中: a=c·q~n, (1)c值对各种表面来讲是不同的,但n仍然是一样的。 其中以黄铜的a为最高,镀铬的表面为最低。在高负荷下,加表面对a无显著的影响。 (2)对同一材料来讲,清净新鲜的表面a最大,老化的次之,有污垢的a最小,而且斜率也不同於前二者。 (3)加面几何形状相同时,尺寸大小对a的影响在普通生产情

     
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