蒸氣流量 的英文怎麼說
中文拼音 [zhēngqìliúliáng]
蒸氣流量
英文
steam flow rate- 蒸 : Ⅰ動詞1. (蒸發) evaporate2. (利用水蒸氣的熱力使食物熟或熱) steam Ⅱ名詞[中醫] (將藥物隔水蒸熟) steaming
- 氣 : Ⅰ名詞1 (氣體) gas 2 (空氣) air 3 (氣息) breath 4 (自然界冷熱陰晴等現象) weather 5 (氣味...
- 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...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 蒸氣 : steam; vapour蒸氣供暖 steam heating; 蒸氣管 steam pipe; 蒸氣管道 steam pipeline; 蒸氣渦輪機 steam...
- 流量 : rate of flow; flow; runoff; discharge; throughput; (flow) rate; quantity (of flow); flux
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The hydrology and aerography indexes change in the middle of the rainy season in dry - hot valley are explored in this paper, which involves the mean ground temperature, relative humidity, runoff on trunk, rainfall, evaporation quantity, etc
摘要對雨季中期乾熱河谷加勒比松林林中與林邊平均地溫、空氣相對濕度、樹幹流量、降雨量、蒸發量等水文氣象指標進行了研究。Suction gas pressure goes up as the compressor run at the lower speed in the lower burthen, and this is beneficial to lower systems energy - consume. when the system is controlled by wvf, the discharge change of the evaporator is not linear ; the electronic expansion valve is adopted to regulate the system superheat degree, and the controlled object is parameter time varying, accordingly, the time varying controller should be adopted
在負荷較小時,壓縮機採用低速運轉,吸氣壓力升高,這對系統降低能耗是有利的;變頻控制時,蒸發器製冷劑流量的變化並非線性;系統中採用電子膨脹閥進行過熱度控制,被控對象具有參數時變的特性,相應地宜採用變結構的控制器。The equatorial belt of calms, with its rapid evaporation and strong rising air currents, provides an ideal situation for abundant rain.
在赤道無風帶,迅速的蒸發和強烈的上升氣流,為大量降雨提供了理想的環境。It is shown that the parameters of the flow field are disturbed and a condensation shock is generated due to the sudden release of the latent heat of condensation
結果表明由於水蒸氣的凝結釋放熱量對流場局部進行加熱,使流場參數發生擾動而產生凝結激波。Transitional feature of the arc and metal droplet in the welding process with steam shielded arc is investigated by means of analysing the waveforms of welding voltage and current under different welding regimes and it is found that there are two types of arc process behavor ? " arc starting - arc blowing out - short - circuiting " and " arc - starting - short - circuiting ". under the condition of constant diameter of welding wire and its feeding speed, the arc process behavor can be changed by adjusting the inductance of welding circuit as well as the voltage of power supply. if arc process behaves as alternative process of " arc starting - arc blowing out - short - circuiting " with minimum time duration of arc blowing out and maximum frequency of short - circuit transition, the welding process will be stable with less spatter and smooth weld bead
通過分析不同焊接規范下的焊接電壓和電流的波形.研究了水蒸氣保護下電弧及熔滴過渡的特點,發現其電弧過程行為有「燃弧?熄弧?短路」和「燃弧?短路」兩種形式.在焊絲直徑和送絲速度一定的情況下,通過調節焊接迴路中的電感量和電源電壓,可以改變電弧的過程行為形式.若電弧過程呈「燃弧?熄弧?短路」交替進行,並且熄弧時間最短時,短路過渡頻率最高,在這種情況下,飛濺小,焊道成型好,焊接過程穩定On - line measurement system for gas flux in the pipeline based on vapour pressure equation
基於蒸汽壓方程下的管道煤氣流量在線計量系統It can be used in the larger scale calculation in next research. the main achievements of this project were concluded as follows : 1. substantiation of complementary relationship for area evapotranspiration based on nearly 30 years data from 432 weather stations and 512 hydrological stations in china, using means of water balance, the secular annual mean actual evapotranspiration was established
為今後進行大范圍實際蒸散發研究提供了有益的嘗試,本文主要完成以下幾個方面工作: 1區域蒸散互補關系的驗證利用432個氣象站和512個水文站全國共計944個氣象、水文站近30年的氣象、水文資料,採用水量平衡法,計算流域多年平均實際蒸散發量。( 4 ) the influence of pulsation frequency on the drying process two special cases, in which the selected pulsation frequencies were 0 h /, and 83 h / respectively, were simulated and their simulation results indicated that the pulsating frequency of gas stream could improve the intensities of the heat and mass transfer during a pulse combustion spray drying process
( 4 )揭示了氣流脈動對乾燥過程的影響本文模擬脈動頻率為83hz的脈動氣流和非脈動氣流的兩種乾燥過程,比較兩種乾燥過程的顆粒蒸發速率和濕含量變化。模擬結果表明氣流脈動對噴霧乾燥過程有一定增強作用。Behavior of flow and heat transfer in venturi tube was simulated numerically and the relationships of outlet temperature, mass fraction of vapor and pressure loss with spraying flow rate were obtained
當噴射流量小於臨界噴射流量時,出口爐氣的溫度和水蒸氣質量分數隨噴射流量的增大分別呈線性下降和上升關系;當噴射流量大於臨界噴射流量時,爐氣降溫和水蒸氣質量分數增長不顯著。Abstract : the causes for low efficiency of the heater in no. 2 crude unit of jpc refinery are described and analyzed including water leaking of steam soot blower, dew point corrosion caused by steam, soot deposits in convection chamber owning to poor soot blowing, high flue gas temperature, no heat recovery of flue gas, and poor performance of insulation lining, etc. by using sonic soot removing system, flue gas recovery system, spray coating of fiber and rock wool, as well as adjustment of flow scheme accordingly in the technical revamping. the dew point corrosion is completely eliminated, the insulation performance is improved, the heat loss is reduced by 1. 25 %, the flue gas temperature is reduced to about 170, and the heater efficiency is increased from 83 % to more than 90 %
文摘:分析了金陵石油化工公司煉油廠二套常減壓裝置加熱爐存在的因蒸汽吹灰器漏水,蒸汽引起露點腐蝕及吹灰效果差造成對流室積灰,排煙溫度高,煙氣熱量未回收利用以及爐子保溫襯里效果差等問題,提出採用聲波除灰系統、煙氣回收系統、纖維噴塗和巖棉噴塗及相應的流程調整等改造措施.測定結果表明,本次技術改造解決了因蒸汽吹灰器漏水所造成的露點腐蝕問題,提高了保溫效果,減少散熱損失1 . 25 % ,排煙溫度降至170左右,裝置的爐效率由83 %左右提高到90 %以上The causes for low efficiency of the heater in no. 2 crude unit of jpc refinery are described and analyzed including water leaking of steam soot blower, dew point corrosion caused by steam, soot deposits in convection chamber owning to poor soot blowing, high flue gas temperature, no heat recovery of flue gas, and poor performance of insulation lining, etc. by using sonic soot removing system, flue gas recovery system, spray coating of fiber and rock wool, as well as adjustment of flow scheme accordingly in the technical revamping. the dew point corrosion is completely eliminated, the insulation performance is improved, the heat loss is reduced by 1. 25 %, the flue gas temperature is reduced to about 170, and the heater efficiency is increased from 83 % to more than 90 %
分析了金陵石油化工公司煉油廠二套常減壓裝置加熱爐存在的因蒸汽吹灰器漏水,蒸汽引起露點腐蝕及吹灰效果差造成對流室積灰,排煙溫度高,煙氣熱量未回收利用以及爐子保溫襯里效果差等問題,提出採用聲波除灰系統、煙氣回收系統、纖維噴塗和巖棉噴塗及相應的流程調整等改造措施.測定結果表明,本次技術改造解決了因蒸汽吹灰器漏水所造成的露點腐蝕問題,提高了保溫效果,減少散熱損失1 . 25 % ,排煙溫度降至170左右,裝置的爐效率由83 %左右提高到90 %以上So far the mechanism and the effects of developing flow, condensate film roughness, property variation in the gas phase, system pressure, and sorts of noncondensable gases and its contents on condensing are not adequately understood
而且,系統壓力、蒸氣過熱度、蒸氣流速和不凝性氣體種類及其含量是影響蒸氣冷凝的重要因素,這使得蒸氣冷凝換熱現象大大復雜化。An analytical model for the forced condensation of steam in the presence of noncondensable gases was proposed based on the mass, momentum and energy conservation equations of condensing mixture flow, involving the analogy between heat and mass transfer in the gas / liquid interface
總之,蒸汽流量、空氣含量和系統壓力是影響蒸氣冷凝的重要因素。相似的基礎上,建立了豎直管內蒸氣強迫對流冷凝的一維分析模型。After more than 20 years of the company refined, and continually improving production processes costumes, with the tide, and clothing production lines have been introduced from germany and other garment processing equipment, employ ethnic chinese in france paid suit offset division ; at the same time assigning staff hours and ordered popular fabric quarter, after strict steam advance further, sampling inspection, guarantee " laoer first " costumes gather high - quality and high - quality mass production of high - grade brand character
公司經過20餘年的磨礪,不斷改進服飾生產工藝,緊跟潮流,相繼從德國引進服裝生產流水線及其它服裝加工設備,在法國高薪聘請華裔西服製版師;同時分派專人分季訂購國內外流行面料,經過嚴格的蒸氣預縮、取樣檢驗,保證「老兒頭」服飾集聚高質量、高品位系列化等高檔品牌特質。In this paper, through the cfd modeling of the ash - agglomerated fluidized bed gasifier, the gas molar concentration distributions in the bed with the influences of the oxygen flow rate from the central nozzle, the steam flow rate from the distributor and the pressure of the bed are studied
摘要通過cfd模擬了灰熔聚流化床氣化爐,考察了操作條件包括中心管氧氣量、分佈板水蒸氣量以及操作壓力對流化床氣化爐的氣相濃度分佈的影響。Vacuum technology. vapour vacuum pumps. measurement of the volume rate of flow pumping speed
真空技術.蒸氣真空泵.體積流量泵的抽氣速度的測定Vapour vacuum pumps - measurement of performance characteristics - part 1 : measurement of volume rate of flow pumping speed
蒸氣真空泵.性能特性的測定.第1部分:容積流量的測定Concentric jacket pipe surrounded the test condenser. steam was generated in the boiler, flowed upward to the inlet of connection pipes, then flowed downward into the condenser tube, the cooling water flowed countercurrently through the annulus. the experiment covered the range of the pressure 1. 0 ~ 3. 0bar, heating power 2. 0 ~ 15. 0kw, steam mass flow rate 0. 001 ~ 0. 004kg / s, air mass flow rate 0. 0 ~ 0. 00163kg / s, and cooling water temperature 20 - 60 ?
在系統壓力為0 . 1 0 . 3mpa ,加熱功率為2 15kw ,蒸汽質量流量為0 . 001 0 . 004kg s ,空氣質量流量為0 . 0 0 . 00163kg s ,二次側冷卻水溫度20 60的范圍內,系統研究了豎直下降管內含有空氣的蒸汽冷凝特性,獲得了不同壓力、不同空氣含量和不同加熱功率下,冷凝段的溫度分佈和局部熱流密度的數據。In order to size a stop - check the technical information needed is saturated steam gage pressure in pounds per square inch and actual required steam volume flow in pounds per hour
為了確定正確的截止止回閥的通徑,需要下列有關的技術參數,飽和蒸汽表壓(磅/平方英寸) ,和實際所需的正氣流量(磅/小時) 。Measurements were made of system pressure, mass flow rate of steam, air, and cooling water, temperatures of condensing flow and cooling flow, and the water level of boiler. the major phenomena observed in the present experiment are similar to those by other investigators. the mass flow rate of steam, the system pressure and air content are the most important factors affecting steam condensation
實驗結果表明,維持二次側冷卻水流量不變,無論對于純凈蒸汽還是含有空氣的蒸汽冷凝,隨著蒸汽發生器加熱功率的增大(即蒸汽流量增大) ,有效冷凝段長度將加長;當蒸汽中含有少量空氣,有效冷凝段長度也會明顯加長;提高系統壓力,有效冷凝段長度將縮短。分享友人