進汽溫度 的英文怎麼說
中文拼音 [jìnqìwēndù]
進汽溫度
英文
initial steam temperature-
In chapter 2, the meteorological knowledge, data and the methods of the data processing, related to the study on the atmospheric loads, are simply presented. the model for the perfect gas constant, describes by the relative moisture, is developed. the influences of the variation in the vapor component in the atmosphere on the perfect gas constant are evaluated by using the changing characteristics of the temperature on the surface, its spatial gradient and the barometric pressure
第二章:簡要介紹大氣負荷研究所需的氣象科學知識、資料及其數據處理方法;建立相對濕度表示的大氣比氣體常數模型,利用地面溫度和空間垂直溫度梯度、壓力變化的規律估算大氣水汽組分變化對比氣體常數的影響;對中國及鄰區的地面氣壓記錄進行了預處理和網格化As a result, in the paper, considering the altitudinal effect ( topography factor ) and the influence on the temperature lapse rate by topography and latitude and longitude and moisture transfer, the study on the daily surface air mean, max and min temperature in the reaches of yangtze rive is attempted by five models, which include the gaussian weighted model, the gaussian weighted model associated with the error - modification, the gradient plus inverse distance squared model and the modified gaussian weighted model a and b that take topography - factor into account
本文考慮海拔高度和溫度直減率受地形和經、緯度及水汽等因素的影響,通過利用高斯權重法、結合逐步訂正的高斯權重法、梯度距離權重反比法和加入地形影響項(地形因子)的兩種改進高斯權重法的方案a 、 b ,對長江流域的地面日平均、最高和最低氣溫場進行了空間化插值研究。Taking the lest total internal losing exergy for target function, the distribute of difference in temperature among the three - effect is also acquired. an experimental device for three - effect falling - film evaporation was designed and constructed. the experiments of potassium carbonate solution was finished under different temperature of vapor and different input material liquid volume
建立了三效降膜蒸發的實驗裝置,以碳酸鉀溶液為原料進行了不同加熱蒸汽溫度、不同進料量的實驗研究,得到了實驗設備的(火用)損分佈,並研究了各部分損失的(火用)及有效利用的(火用)值與加熱生蒸汽溫度與進料量的關系。This paper mainly studies the application of distributed control system ( dcs ) in rubber sulphuration, and design out a set of small - scale dcs that can collect the temperature in the steam pipeline in real time, calculate equivalent time of sulphuration with different temperatures and communicate with low - computer through rs - 485 network to control numbers of sulphuration machines to work
本文主要對集散控制系統( dcs )在橡膠硫化領域的應用進行了研究,設計出一套小型集散控制系統。該系統能實時採集硫化蒸汽管道內的溫度,計算出不同溫度下等效硫化時間,並通過rs - 485網路與下位機通信達到控制多臺硫化機工作的目的。The paper studies the degradation rule of physical mechanical property of vulcanizate during the period of heat ageing, which involves the relationship between the property, variable temperature and time. the analytic expressions for the frictional temperature rise of the interface were presented according to the theory of heat conduction of solid when a tire slides of rolls along the road. finally, the value of temperature and pressure is used to monitor the tire ' s status
本課題針對影響汽車輪胎橡膠機械性能的溫度老化模型進行了一定深度的理論研究,並進一步研究輪胎的在滑動、滾動時的溫度場的數學模型,在理論上論證了溫度、壓力是影響輪胎行使安全性能的重要因素,並以其作為最終的監測對象。This paper places emphasis on the reheater pipes " basement and wye pipe, which are studied through onsite experience and numerical calculating method. onsite pipes " temperature has been measured by high precise thermocouple
據分析這是由於熱應力引起的,為此本文對再熱器集汽箱向空排汽管管座及三通管座的溫度場及熱應力進行了實驗和數值計算分析研究。Cyz - a self - priming centrifugal oil pump according to domestic and international to develop newest pump products that become after digesting, absorbing, improving about technical data by oneself, domestic blank, unique, extensively suitable for the oil depot, service station, oil ship, oil carrier, quay, oil truck, airport, send the petrol, kerosene, diesel oil, boat coal etc
型自吸式離心油泵是根據國內外有關技術資料經消化、吸收、改進后研製而成的最新泵類產品,國內空白獨一無二,該泵適用於石油行業、陸地油庫、油灌車的理想產品,並適合於作船底泵、消防泵和壓載泵及機器冷卻水循環等,分別輸送汽油、煤油、柴油、航煤等石油產品和海水、清水,介質溫度- 20 80 ,加輸送化工液體可改用耐腐蝕機械密封。The equilibrium working temperature of the gasifier and the composition of the outlet syngas ( short for synthesis gas ) at this temperature were calculated by solving the chemical equilibrium and the energy equilibrium equations. the analysis was used to study the effect of gasifying agent mixture ratio on the outlet syngas composition, the cold gas efficiency, the thermal efficiency and the exergy efficiency. the optimum o2 / coal ratio was found for a reasonable vapor / coal ratio ( the vapor / coal ratio had little effect on the efficiencies ) for various kinds of coal to maximum the thermal efficiency and the exergy efficiency
通過化學平衡和熱量平衡方法求解氣化爐平衡工作溫度以及該溫度下的出口煤氣成分,研究了氣化爐進口氣化劑配比對出口煤氣成分、冷煤氣效率、熱效率及火用效率的影響,指出熱效率、火用效率最優情況下適應于各煤種的最優氧煤比以及合理的水蒸汽耗量,為多聯產系統的設計優化提供參考。In order to make clear the changing situation about various meteorological element fields during the heavy rain. the diagnostic analysis in three aspects was done in this text : the vapor conditions, in which the difference of the temperature and dew point, relative humidity, vapor flux and the divergence of vapor flux were discussed ; the dynamic and thermodynamic conditions, vorticity, divergence and vertical velocity were analyzed ; the vertical layer condition, which included potential temperature, static stability, convective ( potential ) instability and the vertical profile of eight physical fields over the observatory of shenyang
為了弄清這次暴雨過程各氣象要素場的演變情況,分三方面對暴雨的水汽條件(使用了溫度露點差、相對濕度、水汽通量和水汽通量散度) 、動力條件(使用了散度、渦度和垂直速度)和垂直層結條件(使用了位溫、靜力穩定度和潛在不穩定度以及沈陽單站的8個物理量的垂直廓線)等的變化,分別進行了診斷分析。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。The experimental research on material surface temperature during superheated steam was carried out
進行了過熱蒸汽乾燥過程物料溫度變化規律的試驗研究。This paper calculates the thermal insulation thickness of the " steal sheated steal " directly buried steam pipe with air thermal insulation layer under the condition of different temperatures, and compares it with the system without air thermal insulation layer
摘要對不同介質溫度條件下有空氣保溫層的「鋼套鋼」蒸汽直埋管保溫結構厚度進行了數值計算,並將計算結果與無空氣保溫層的保溫結構厚度進行了比較。Based on this model, the model of greenhouse temperature is set up when the heating system is using. considering the vapour heating as the modeling object, the dynamic formula between vapour temperature and vapour flux of the pipe is set up
以蒸汽加溫為建模對象,建立管道內蒸汽溫度跟蒸汽流量的動態關系式,組成溫室用蒸汽管道進行加溫時的溫度對象模型。With the combination of automatic control theory and practical thermal process automation object in the power station, three main fields including nonlinear calibration of thermal instrument, new control strategies of main steam pressure and advanced control strategies of main steam temperature are studied in detail in this paper
本文將自動控制理論和火電廠熱工自動化的具體對象相結合,進行了3個方面的研究工作:熱工儀表非線性校正、主蒸汽壓力的新型調節策略、主蒸汽溫度的先進控制策略。After we analyses fully the factors of influencing the feed water, combustion and steam temperature, compare controlling program, design circuits of feed water, combustion and steam temperature
燃燒和蒸汽溫度擾動的各種因素和對控制方案進行分析?比較的基礎上,對沸騰爐給水控制迴路?燃燒控制迴路和蒸汽溫度控制迴路進行了具體的設計Stability of main steam pressure is the foundation of the key parameter stability ( include the main steam temperature, the vapor pack water level, the oxygen content in the smoke etc. ) in the units, deb system increase the dependability and the economy greatly with the settlement of the energy ' s equilibrium between the boiler and the steamer
本機組利用先進的硬體設備dcs和優化的控制策略deb ,圓滿解決了機組協調控制系統中主汽壓力穩定性及負荷適應性這一主要矛盾。主蒸汽壓力穩定是機組一切關鍵參數(包括主蒸汽溫度、汽包水位、煙氣含氧量等)穩定的基礎, deb系統解決了機組鍋爐和汽輪機之間能量平衡,使機組可靠性和經濟性大大提高。This article emphatically discussed and analyzed following points : load command feed forward function can improve the rapid respond character of steam turbine generator ; lead of load command have advance control function on boiler main control and can highly improve the stability of main steam pressure ; the use of predict control and state space variable function can improve the quality of boiler steam temperature control effectively, control the steam temperature in the defined range and increase the boiler and turbine life and efficiency even if working state changed in a big range ; linear compensation can restrain the vibration of generator load in the condition of big loa d change
本文重點討論、分析提出負荷指令前饋作用可以提高汽輪發電機快速響應特性;負荷指令的導前功能對鍋爐主控有超前控製作用,能顯著提高主蒸汽壓力的穩定性;採用預測及狀態空間法能有效改進鍋爐蒸汽溫度控製品質,在大幅度工況變化下仍有效控制蒸汽溫度在額定范圍內,提高鍋爐、汽輪機壽命及其效率;汽輪發電機組的快速響應性與汽輪發電機組負荷振蕩問題間的平衡關系,採用線性補償可以有效抑制在負荷變化梯度較大情況下發電機負荷振蕩問題。4, mix room an adoption to clip a set of structure, can water cool off or the steam heat, hot conduct effective, mix room bottom to have to measure thermocouple, can carry on a temperature control, whether the low temperature mix a or a heating to mix or not, all can get satisfied result
4混煉室採用夾套結構,可通水冷卻或蒸汽加熱,熱傳導效果好,混煉室底部裝有測溫熱電偶,可進行溫度控制,無論低溫混煉還是加熱混煉,均可得到滿意的效果。The engine is tested on the dynometer using the software that can monitor the ecu ( electronic control unit ) internal dataflow. and the electronic control fuel injection system parameters ( e. g. position of throttle valve, engine speed, air temperature, engine temperature, duration of injection ) are acquired at many different working conditions of engine
本文以hirth3203二沖程汽油發動機為研究對象,利用開發的ecu內部動態數據流監測軟體進行發動機臺架試驗,獲取了在不同的油門開度和轉速下電控燃油噴射系統的一系列工作參數,如節氣門開度、發動機轉速、進氣溫度、氣缸溫度、蓄電池電壓以及噴油脈寬。Abstract : this paper discusses an adaptive control scheme on time varying parameter with pure delay and inertia. first, control system predicts parameter of the plant based on the parameters recognized, and then calculates control output according to minimum error control. by using this method, the system can maintain good performance when the parameters of the plant are varying. the steam generator system model is simulated, and a satisfied control effect is achieved
文摘:對具有滯后和慣性時變對象,提出了一種自適應預測控制方案,對對象參數進行預測,利用最小方差控制方法進行控制,確保系統在對象參數變化時仍保持優良的控制性能.根據本文提出的方法,對蒸汽爐系統蒸汽溫度控制進行了模擬,取得了較滿意的控制效果分享友人