熱力溫標 的英文怎麼說
中文拼音 [rèlìwēnbiāo]
熱力溫標
英文
thermodynamic temperature scale- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 溫 : Ⅰ形容詞(不冷不熱) warm; lukewarm; hot; gentle; mild Ⅱ名詞1 (溫度) temperature 2 (瘟) acute ...
- 標 : Ⅰ名詞1 [書面語] (樹梢) treetop; the tip of a tree2 (枝節或表面) symptom; outside appearance; ...
- 熱力 : [機械工程] heating power
- 溫標 : [物理學] thermometric scale
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The variations of sea ice in the arctic ocean are simulated by using a improved high resolution hibler dynamic - thermodynamic sea ice model during 1979 - 1998. the model is driven by surface atmospheric and oceanic forcing consists of geostrophic winds, surface air temperature, specific humidity, and longwave and shortwave radiative fluxes provided by international arctic buoy program ( iabp ). the simulated results show that arctic sea ice have noticeable seasonal and annual variability
利用一個hibler海冰熱動力模式,在改進了其熱力部分和改變模擬范圍以及提高解析度的基礎上,以北極國際浮標計劃( iabp )提供的1979 - 1998年間逐日變化的日平均海平面氣溫場,濕度場,長短波輻射場,風場,洋流場,海洋熱流量場為強迫場,模擬了上述20年間北極海冰的時空演變。4. the thrust measurement device was calibrated, and the accuracy was 2 % fs. at the same time the signal of thrust measurement was input to the computer. e - type chromel - constantan thermocouple was used to measure the temperature of mpt, and the accuracy was 5 % fs. the vacuum measurement was realized by using zdf - 5427m vacuometer, and the accuracy was 3 % fs
( 4 )對推力測量系統進行了標定並實現了計算機採集,推力測量系統最大相對誤差為2 fs ;溫度測量目前還只限於對mpt諧振腔壁溫的測量,使用e型鎳鉻?康銅熱電偶即可較容易實現,其測量精度為5 fs ;真空測量採用zdf - 5427m微機型復合真空計,其由熱偶計和熱陰極電離計復合而成,該真空計測量控制精度為3 fs 。Through adjust the initial vaiue of the water supplied tcmperature in the second - net, the amomation systcm can auto run with a depressed standard to distribllte the energy averagely
即當供熱能力不足時,通過調整二次供水溫度的設定值,使自動控制系統在降低供熱標準的基礎上自動運行,實現熱量的平均分配。The entropy or number of states of system or subsystem are closely related to interaction of particles and energy level distribution, therefore, to study the temperature dependence of the specific heat may supply some important and useful microscopic information which may play an important role in understanding electronic structure, density of state, phonon spectrum etc. the specific heat measurements at low temperatures also play important roles in the finding of the third law of thermodynamics, the quantum theory of solid and bcs theory for superconducting etc. moreover, specific heat measurements help us to understand the different kinds of phase transitions ( such as : structural phase transition, magnetic phase transition, superconducting phase transition etc. ) and the scaling behavior near the critical point
系統、子系統的熵或微觀狀態數與微觀粒子間的相互作用及能級分佈密切相關,因此研究比熱與溫度的依賴關系能夠提供被測量系統許多極其有用的微觀信息,對理解固體的電子結構、電子態密度、聲子譜等起著十分重要的作用。低溫比熱的測量和研究對熱力學第三定律、固體量子理論和超導bcs等理論的建立起到了積極的推動作用。比熱研究還有助於認識各類相變如結構相變,磁性相變,超導相變等及臨界點附近的標度規律。Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed
本文在總結和分析了一個世紀以來有關曲線管道流動和換熱特性的研究成果的基礎上,以旋轉正交曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型,通過攝動方法和有限體積法,首次對各種截面(圓截面、橢圓截面、環形截面、矩形截面)旋轉曲線管道內充分發展流動的流動結構和傳熱特性(包括耦合對流傳熱特性)以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析,詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響,獲得了若干創新性成果。Thermodynamic temperature scale
熱力學溫度標Based on these, the 200mw turbine unit of panxian thermal power plant is selected, and the key problems are analyzed, such as, selection of cool medium, flow path of medium, thermal stress during fast cooling etc. the cfd software is adopted, and the maximal thermal stress, the optimum cooling model and system, and the autocontrol scheme during fast cooling, are gotten. in the end, the results are applied in the site. the optimum cooling model and system, and the autocontrol scheme would be provided reference as the other similar units
於此,本文以盤縣發電廠200mw汽輪機為研究對象,對發電廠汽輪機組空氣冷卻裝置及系統現狀深入分析基礎上,應用cfd軟體數值模擬了不同工況時汽輪機缸壁溫度變化情況,對200mw汽輪機快冷過程中控制指標進行分析,優化機組的快速冷卻過程,合理快冷設備、系統,優化控制曲線,分析最大熱應力值及最佳冷卻方式選擇,同時,對現有盤縣發電廠汽輪機組快速冷卻系統進行優化改進,並進行了實驗與實施。Standard specification for pressure vessel plates, heat - treated, carbon - manganese - silicon steel, for moderate and lower temperature service
中溫和低溫設備用經熱處理的碳錳硅鋼壓力容器板的標準規范Thermal stability the property of a lubricant which indicates its ability to resist cracking and decomposition on prolonged exposure to elevated temperatures
熱穩定性表明潤滑油在長期高溫環境中抵抗裂化和分解能力的指標。Thermal stress control system actually gather the real - time data of unit sets , compute temperature fields , stress fields and maximum dangerous stress by the math modal , decide target and speedup rotation in every stage of startup process , and justify automatically to realize auto control a serial of processes of turbine , such as speedup , warm - up , connecting net , load changing , stop and unsteady condition etc , and improve automatic level of the unit sets. turbine auto startup ( tas ) system can automatically evaluate steam turbine ' s startup and load changing process according to thermal stress of
熱應力控制系統實際是對機組運行參數進行實時採集與監控,通過數學模型實時地計算高、中壓缸轉子的溫度場、應力場分佈,以及最危險熱應力,以確定啟動過程各階段的目標轉數及升速率,並進行自動調整,實現機組沖轉、升速、暖機、並網、升負荷、停機以及異常工況下的自動控制,大大提高了機組的自動化水平。This study dealt with the identification and evaluation of 8 maize populations from tropical and subtropical regions under the ecological conditions in zhengzhou, henan. results showed that the significant delaying days to shed and days to silk, discoordinating for the development of male and female, higher plant and ear height, more leaf numbers, high barreness, worse performance of ear traits compared with the ck ( temperate population ) were found, which showed the tropical and subtropical populations could not be utilized directly under the ecological conditions in zhengzhou. by using selection and improvement the tropical and subtropical populations can be used to broaden the genetic base of temperate maize breeding, beause of the greater genetic variation and higher selection potential within each population. the different performances of the sensitivity to photoperiod were observed among different tropical and subtropical populations and different traits. the asi, time to silk, ear height, leaf numbers, grain yield per ear could be used as the good evaluation traits for identifying the sensitivity to photoperiod
對8個熱帶、亞熱帶玉米群體在鄭州生態條件下的表現進行鑒定和評價,結果表明,熱帶、亞熱帶群體散粉、吐絲期顯著延遲,雌雄不協調,植株和穗位高、葉片數增多、空稈率高,結實性差,果穗性狀均明顯劣於溫帶對照,在鄭州生態條件下不能直接利用,但是群體內具有較大的遺傳變異和選擇潛力,可以用來拓寬現有玉米種質的遺傳基礎;不同熱帶、亞熱帶群體的光周期敏感性不同;不同性狀對光周期反應的敏感程度不同, asi 、吐絲期、穗位高、葉片數、穗粒重可作為鑒定光周期敏感性的較好指標4. the inspection standard has been appraised. the air stagnation parameter and water stagnation parameter are enough to evaluate the quality of evacuated solar tube and the heat loss co - efficiency can be cancelled
用空曬性能參數和悶曬性能參數來評價太陽能真空集熱管的好壞即可,取消平均熱損系數指標,空曬性能參數反映高溫能力,悶曬性能參數反映正常工作時的升溫能力。The precise measurement of thermodynamic temperatures, for example with a gas thermometer, is very difficult. practical temperature scales were therefore introduced to make use of instruments such as platinum resistance thermometers which are much easier to use and give much higher precision measurements
要準確測量熱力學溫度(如使用氣體溫度計來進行測量)是十分困難的,因此利用鉑電阻溫度計等作測量器的實用溫標便被採用,令使用更為容易及測量更為精確。When it is too cold or there is not enough thermal energy in the first - nst so we can not regulate to the initial value even if the valves are all opened, we must at this time revise initial value of the t6mpeate of the second - net, lower the heat - supply standard, and make the pots which near the heat - source or far to the heatsource are both have energy to.,
當天氣太冷或一次熱網供熱能力不足時,即便是二次熱網閥門全開也不能調節到設定值,此時必須修正二次熱網溫度設定值,降低供熱標準,使熱源近端和末端都有熱量可供,解決系統失調。It applies an interval method to select element in the evolutionary structure optimization method ( eso ), and recovers or deletes element by the “ birth and dead ” function of element. another method viewed as second order smoothing technique for suppressing the checkerboard patterns has been proposed based on the filtering function ’ s principle. then the above methods are applied to solve a temperature - controlling problem in the steady heat conducting field and a multi - objective topology optimization problem considering multiple load cases and coupled effect
本文基於ansysparametricdesignlanguage ( apdl ) ,提出漸進結構法中應用區間法進行單元的篩選,通過單元「生死」的功能實現單元的恢復與刪除,根據濾波函數法原理提出修改的二階棋盤格處理方法,並就穩態熱傳導溫度控制問題,考慮熱、力耦合的多載荷工況的多目標拓撲優化設計問題進行求解。The larson - miller method and the superheater wall temperature computation model brought forward by soviet criterion are adopted to calculate the life loss caused by creep. and a simplification formula is put forward to apply in the on - line life inspection system
本文採用拉森米勒參數法,結合前蘇聯1973年熱力計算標準中的過熱器壁溫計算模型,對前期蠕變壽命損耗進行了計算;並提出簡化方法,用於在線壽命監測系統中。By close study on the average temperature rise, temperature distribution, and tune constant of the class f resin dry type power transformer ' s high voltage and low voltage winding under self - cooling and wind - cooling mode, we find out the connection between the variation of the load and the items, mentioned above. the results of the experiments can be reference to both thermal design optimization of dry type power transformer and the revision of current standards. meanwhile, we develop the software, which can predict the overload ability of the dry type power transformer
本文對f級樹脂澆注式乾式變壓器的高、低線圈的平均溫升,內部溫度分佈和時間常數在自冷和風冷,兩種冷卻方式下隨負載變化的規律進行了研究,得出了平均溫升、熱點溫升和時間常數隨負載變化的相互關系和有關計算用參數和公式,試驗結果可作為改進乾式電力變壓器的熱設計的依據和對現行標準進行修改的參考。There is no thoroughly rounded theory about displacement ventilation system in our country at present and our research begins recently. the study work of this paper will be useful for further optimization design of displacement ventilation system. this dissertation includes five parts. the first part introduces the development of the displacement ventilation and the background of research in domestic and oversea. in the second part, it gives working principle of displacement ventilation system and it ’ s advantages to the mixture ventilation. the study also gives a series of indexes to evaluate displacement ventilation system and specifies air supply terminal device and so on. it is needed to simulate and analyse the velocity field, temperature field and distribution of flow field. this is the third part. the forth part specifies the simulative method for thermal stratification of displacement ventilation system. it gives some factors affecting thermal stratification height such as inlet temperature, inlet velocity, heat transfer of wall body, distance of heat source and so on
本文的研究工作主要包括以下幾個方面的內容: ( 1 )綜述了國內外相關的研究現狀和研究背景; ( 2 )簡介了置換通風的工作原理,並分析了它相對于混合通風的優良特性及評價指標、末端裝置等; ( 3 )對採用置換通風方式房間的溫度場、速度場和氣流分佈進行了模擬計算與分析; ( 4 )對採用置換通風方式房間的熱力分層高度進行了模擬計算,並分析其影響因素,如:送風溫度、送風速度、圍護結構傳熱和熱源分佈等; ( 5 )擬合了無量綱熱力分層高度相應于送風溫度t 、送風速度v 、熱源間距離l和圍護結構傳熱q的經驗公式。Rclying on the abundant technical strength of zhejiang university chemical machinery research instiute, it is specially engaged in the production of all kinds of the medical instruments such as the steam modular cylinder, modular dyeing tube, bactcricidal cylinder, gas storage cylinder, fermentation cylinder, heat exchanger, desk type, verticaltype, portable, horizontal electrically - hcated pressure steam sterilizer, carbon dioxide, biochemical, mycetes, illumination, water - sealcd, clectrically - heatedpressure steam sterilizer, dry heating sterilizer, carbon dioxide, bibiochemical, mycetes, illumination, water - sealcd, clectrically - heated, clectrically - heated constant temperature type culture box, fixed temperature and humidity box, climate cabinet exc. meanwhile it offers a full set of the stainless steel utensil serial products to the pharmaceuticals, health - care products, food, drink, cosmetics, uncontaminated workshops and so on. it can design and manufacture various non - standard equipments according to the consumer is requirements. welcome to make inquiry into this company. we are looking forward to cooperating with you
本公司依託浙江大學化機研究所專業開發,製造各類:蒸汽定型罐、定型染色缸、殺菌罐、儲氣缸和發酵罐、熱交換器、臺式、立式、手提式、臥式電熱壓力蒸汽滅菌器、乾熱滅菌器、二氧化碳、生化、黴菌、光照、隔水式、電熱恆溫培氧箱、恆溫恆濕箱、人工氣候箱等醫療儀器,同時提供製藥、保健品、食品、飲料、化妝品、潔凈車間成套不銹鋼器具系列產品,還可根據用戶要求設計、製造各種非標設備,歡迎您的垂詢,期待您的合作!Abstract : a thermo - economical diagnostic mathematical model for pressurizedwater reactor ( pwr ) nuclear cogeneration plant is proposed based on heat assignment method. this model simplifies the calculation of thermal system and can be used to calculate the index variations caused by heating steam parameters as temperature, return percentage and return place of the return water. some examples are given to show the usefulness of this model
文摘:基於熱電聯產機組熱量法分配的特點,建立了熱電聯產壓水堆機組熱力系統發生變化對熱經濟性指標影響的計算模型,提出了供熱系統參數? ?供熱回水率、回水溫度、回水地點變化對壓水堆機組熱經濟性影響的定量診斷數學模型,可將復雜的熱力系統全面計算簡化成3個一次方程.通過實例計算,驗證了所提數學模型是正確可行的,同時具有概念清晰、計算簡捷的特點分享友人