熱流率熱流量 的英文怎麼說
中文拼音 [rèliúlǜrèliúliáng]
熱流率熱流量
英文
rate of heat flow- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 率 : 率名詞(比值) rate; ratio; proportion
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 熱流 : 1 (激動振奮的感受) warm current 2 [氣象學] thermal current; [熱學] heat transmission; thermal f...
- 流量 : rate of flow; flow; runoff; discharge; throughput; (flow) rate; quantity (of flow); flux
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In heterogeneous anisotropic materials the heat flow vector and conductivity are more complex.
在各向異性的非均質材料中,熱流向量和熱導率很復雜。Standard test method for melt flow rates of thermoplastics by extrusion plastometer
使用擠壓式塑性計測定熱塑塑料的熔融流量率的標準試驗方法Abstract : based on the analysis of the mathematics models of saturation steam density and superheat steam density the paper states that the deviation of the detection on temperature highly affects the accuracy of intelligent flow totalizer. especially for saturation steam , the accuracy of the temperature detection circuit shall be designed higher than the accuracy of the instrument. thus a temperature detection circuit based on ratio method with high accuracy is introduced
文摘:在分析飽和蒸汽和過熱蒸汽密度的數學模型的基礎上指出,溫度檢測的偏差對智能流量積算儀的精度影響極大,尤其是飽和蒸汽,測溫電路的精度應設計為遠高於儀表的精度,同時引入一種基於比率法的高精度測溫電路。A transfer model is established, which can be used to study the interaction between the land surface physical processes of inhomogeneous region and the structure of atmosphere boundary - layer over urban and rural terrains. the model has simulated surface heat flux, surface temperature, temperature profiles, height of mixture layer and so on. and the differences between urban area, suburban area and rural area have been compared. this model mainly depends on the parameters below : surface albedo, surface roughness coefficient, moisture available coefficient of soil, thermal capacity and thermal diffusion coefficient of errain, cloudage. the result shows that this model can simulate the structure and eigenvalues of atmosphere boundary layer and their changes in a day. parameters used in this model aim at beijing city, and the time is at the beginning of september. to other cities, or other time, the parameters should be adjusted accordingly. in addition, being adjusted, the model can also be used for other homogeneous and inhomogeneous terrains
模式主要依賴于以下參數和物理量:地面反照率下墊面粗糙度土壤的可含水量下墊面的熱容量和熱擴散系數雲量等參數。結果表明,本模式能合理地模擬不同地表熱量平衡地表氣溫混合層高度湍流交換系數湍流動能位溫廓線等,以及它們的日變化。該模式所取參數主要針對北京市,時間為九月初,對于其他城市,參數應作相應的調整。The investigation on the evaporation heat transfer characteristics in a horizontal micro - fin tube for r290 - 3gs mixture shows : a ) the average evaporation heat transfer coefficient of the mixture increase with the increasing of the mass flux
R290含油混合物在水平微肋管內流動沸騰換熱特性的實驗研究表明: a )隨著質量流率的增加,含油混合物微肋管內的沸騰平均換熱系數增加。The methods of deciding water and hot watersupply design second flow imside of buildings include square root method, experience method and probability method
建築內部給水、熱水設計秒流量計算方法有平方根法、經驗法和概率法等。By using a same boundary dimensions high efficient and new type copper exchanger substituted carbon steel oil condenser, and increasing flow rate of circulation water to reduce the temperature of freezing oil which feeds into compressor stage, to eliminate the malfunction during compressor operation, and improve running efficiency of the machine
採取將碳鋼材質的油冷卻器更換成等外形尺寸的高效新型銅管換熱器、增加循環水流量的方法,降低了進入二段壓縮機冷凍油溫度,排除了壓縮機運行中的故障,改善了機組的運行效率。3. on boiler retrofit, the calculation of fuel burning, the heat calculation of boiler inside structure and convection section, and the design of structure parameter of feed water heat exchanger are made. the flue gas channels " resistance calculation and the boiler strength verifying are also carried out. replacement of water cooling wall improves heat exchanging and decreases loss of heat radiant
對鍋爐本體進行了燃料燃燒計算、爐膛結構熱力計算、對流受熱面結構熱力計算、鍋爐給水加熱器結構參數設計、煙道阻力計算及鍋爐元件強度校核等;改進了水冷壁布置使換熱效果更好,減少輻射換熱損失;改進對流段結構,更充分的利用爐膛出口煙氣余熱,提高熱效率;並且進行了煙氣阻力計算、熱效率計算和能量平衡測試,對改進后的稠油燃料和改進前進行了對比,燃燒狀況和熱效率有明顯改善。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The temperature of inlet air could be raised by the developed heat recovery device to achieve energy saving
加熱器的耗油率為4 . 5公升小時,分析進氣的溫升和流量可得此乾燥系統之加熱爐的加熱效率約為50 % 。Use clamp ampere meter to measure the current and check if the heating power is normal
用鉗形表測量電流,檢查發熱功率是否正常。The working parameters ( specific enthalpy, entropy, flux of working fluid, reynolds number, etc. ), the configuration parameters of the main components, such as steam turbine - generator group, evaporator and ehd condenser and system efficiency were calculated on the base of thermodynamics theory
文中以熱力學理論為基礎,計算了低溫余熱發電系統的運行參數(比焓、熵、工質流量、雷諾數、管路壓力等)和各主要組件如汽輪機-發電機組、蒸發器和ehd冷凝器的結構參數,並計算了系統的效率。The distribution of adiabatic film - cooling effectiveness on the endwall of this cascade has been measured using a new technique that has been developed as part of this project. using this new technique, the achieved levels of cooling effectiveness are quantified and over, and under - cooled regions on the endwall are identified
在發展一種新的測試技術的基礎上,結合葉柵下游流場測量,獲得了葉柵端壁上冷卻膜隔熱效率的分佈,使得葉柵端壁上下冷卻層的冷卻效率可分別定量描述。Carried out experimental research on conditions of different point heat source ( single, double and many heat sources ), and analyzed the influence of such factors as temperature of air - in, amount and distribution of inlets and outlets, heat emission quantity of heat sources and so on, on distribution of indoor air temperature 、 shape of plume flow 、 heat lamination height 、 ventilation efficiency 、 thermal comfort and so on
考慮不同點熱源(單、雙及多點熱源)條件下地板送風的系統特性,通過實驗研究,分析了不同送風溫度,送排風口數量及位置,熱源發熱量的大小等因素對室內溫度分佈、羽流流態、熱力分層高度、通風效率、熱舒適性等的影響。As a new type of energy - saving equipment, the tubular heat exchanger with longitudinal flow of the shellside fluid ( thelfsf ) has many remarkable advantages. it betters anti - vibration and anti - smudge performance, enhances heat transfer efficiency, and decreases the shellside pressure loss. it also prolongs service lifetime, reduces the weight and saves material
新型縱流殼程換熱設備作為一種新一代節能降耗設備,具有優良的防流體誘導振動性能、傳熱性能好、傳熱效率高、流體流動阻力小、抗結垢能力強、重量輕等優點,是鄭州大學「熱能工程研究中心」專利產品,為了加快該設備的推廣, 「中心」研發了hecad軟體系統,實現了新型換熱設備工藝設計、機械設計、零部件,圖及總裝圖繪制一體的cad軟體化。Taking ningxia - inner mongolia reach of yellow river as a study case, a ice regime forecast data warehouse is established for the datamining concerned on the basis of the analysis on the ice regime changing law and its influencing factor of the reach, and then the conceptual mathematic model and artificial neural network model for the parameter calibration of ice regime forecast are built up with gis in combination of the relevant empirical forecast models based on the principles of the hydrological flow muting, thermodynamics and ice hydraulics etc., with which the design and development of the decision support system for the ice regime forecast with the integrated functions of information inquiry, model parameter calibration, temperature forecast and ice regime forecast are preliminarily discussed
摘要以黃河寧蒙河段為例,在對河段歷史冰情變化規律及其影響因素分析的基礎上,建立冰情預報數據庫,進行數據挖掘,並以地理信息系統( gis )為平臺,以水文學流量演算、熱力學、冰水力學等原理為基礎,結合相關經驗預報模型,建立用實測資料進行參數率定的冰情預報概念性數學模型和人工神經網路模型,初步探討了集信息查詢、模型參數率定、氣溫預報、冰情預報等功能為一體的冰情預報決策支持系統的設計與開發。Main contents for studying of the paper is : ( 1 ) analysing the outcome, characteristic and the problem of the hot water supplydesign second flow method in the europe and the usa. ( 2 ) it is determined that value frequenly of different fixture use in the period of using water high peak. ( 3 ) the relation between the n and the hot watersupply design second flow is got by applying program to computer under the different probablity
本課題研究的主要內容為: ( 1 )分析對比歐美主要國家熱水設計秒流量計算方法的結果、特點及存在的問題; ( 2 )根據我國居民生活用熱水特點,由用水量標準推算出各類型水用戶用水高峰期的衛生器具使用概率; ( 3 )編制計算機程序,計算不同使用概率情況下,給水當量與熱水設計秒流量的關系表; ( 4 )建立熱水設計秒流量q _ g和給水當量n與使用概率p之間的相關關系; ( 5 )繪制《建築給水排水設計規范》中有關熱水設計秒流量計算方法的計算用圖表。Much works has been distributed to the development of a vacuum system to simulate the outer space and a measurement system to test the arcjet performance. ignition experiments in various operational modes have been done with argon as propellant. macroscopical working parameters including thrust, mass flow rate, voltage, current, inlet pressure and vacuity are obtained by the test measurement system and actual performance parameters including specific impulse, thrust efficiency, ratio of thrust and power and ratio of power and mass flow are calculated
以氬氣作為推進劑,在不同工況下進行點火實驗,測量獲得了其工作推力、電弧電壓和電流、推進劑流率和弧室壓力等宏觀參數,得到了不同實驗條件下其工作的實際比沖、推力效率、推力/功率比以及比功率等性能參數,分析了推進劑質量流率、電弧功率、電弧加熱發動機電弧室結構尺寸等因素對其性能的影響,為數值模擬研究和實際的低功率電弧加熱發動機優化設計及研製提供了實驗基礎。To measure the thin film ' s diffusivity a testing system based on the ac * calorimetric method is set up, in which a laser source is used to heat up the samples
根據交流量熱法原理,構建了一個測量薄膜熱擴散率的測試系統。在該系統中,用超短脈寬的激光作為熱源。The flow field and the temperature field in the turbine cascade were studied in view of experiment and computation. using the shock wind tunnel, two kinds of turbine cascade were tested
本文在激波管風洞中利用兩種葉柵在總共五種工況下進行了葉表靜壓測量實驗,在兩種工況下進行了葉表熱流率測量實驗。分享友人