氣體損失 的英文怎麼說

中文拼音 [sǔnshī]
氣體損失 英文
gas loss
  • : 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...
  • : 體構詞成分。
  • : Ⅰ動詞1 (減少) decrease; lose 2 (損害) harm; damage 3 [方言] (用尖刻的話挖苦人) speak sarcas...
  • 氣體 : gas; gaseous fluid
  • 損失 : 1. (失去) lose 2. (失去的東西) loss; wastage
  1. The ejected coolant interacts with the external flow near the endwall and generates aerodynamic and thermodynamic losses in the process. this reduces turbine stage efficiency and together with the consumption of cooling air is detrimental to the overall cycle efficiency

    但這種方法中噴射的冷空與端壁附近的外流場相互作用產生動力和熱動力,並且消耗冷卻空,從而害渦輪的整循環效率。
  2. 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;改進對流段結構,更充分的利用爐膛出口煙余熱,提高熱效率;並且進行了煙阻力計算、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。
  3. There are no cylinders to change, no residual gas losses, no back, hand or foot injuries from handling cylinders, and no lost of damaged cylinders

    使用perma - cyl無須更換瓶,無殘留氣體損失,無操作瓶引起的背部,手部或足部傷害,也不會丟瓶。
  4. ( 9 ) by studying matching between catalytic converter and exhaust gas system, the conclusions having been gotten as follow : " purifying step by step and driving step by step " and " mental substrate and chinaware substrate being used in same engine " being the laying principles in exhaust gas system, which can solve the contradiction between high converting efficiency of exhaust emission and small loss of power, fuel economics, the rapid light - off and laying difficulty of catalyst

    ( 9 )進行了催化轉化器與排系統的匹配研究,對于催化劑的布置,提出了「分級凈化,逐級推動」的原則;對于載形式的選擇,提出了「金屬載和陶瓷載復合」使用的原則。這樣可以良好的解訣催化轉化器與發動機匹配時,排污染物高凈化率與動力性經濟性小之間的矛盾、快速起燃和結構布置困難的矛盾。
  5. So there will be no loss whatever of gas all the expansive force of the powder will be used.

    這樣就不會一點,而火藥全部的膨脹力就都變成推動力了。
  6. In this paper, high heat penetration into a moving particulate bed is described mathematically with a comprehensive heat and mass transfer model. the distribution of gas velocity and pressure, the temperature field of gas and solid in the moving particulate bed are examined for different conditions. the results show that thermal penetration into the moving packed - bed particles by fluid flow in porous media is high only in the position near the gas entrance. the thermal penetration thickness tends to increase with the fluid flow velocity and decrease with the particle moving velocity. in the region of thermal penetration, the porosity of solid bed has significant effect on gas field and pressure loss. it is feasible to reduce the gas pressure loss by a larger width / height packed bed in design and operation. the correspondence between thermal infection depth and particle bed height would be helpful to keep high oapacity of reactor and reduce the cost of operation

    針對移動顆粒床中物料層內的高溫滲流傳熱現象,考慮滲流與傳熱的相互作用,採用局部非熱平衡假設建立了多孔介質滲流傳熱物理數學模型並進行了數值計算.研究了不同情況下床內填充多孔介質中的流速、固溫度和床層壓力.計算結果表明,高溫熱對移動床顆粒料層的熱滲透主要發生在滲流入口端區域,增大入口滲流速度以及減小床層物料下移速度將導致物料溫度沿床高慢速下降,熱滲透深度擴大,熱滲透作用區域內的物料溫度水平提高.在熱滲透作用區域,孔隙率對流場和壓力有很大的影響.研究結果對于移動顆粒床反應器的設計與運行具有一定的參考作用
  7. The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced

    論文第二章首先簡單介紹了交流異步電動機變頻調速技術的發展概況,在回顧電梯液壓控制系統節能技術的基礎上,介紹了本課題研製的「採用蓄能器的液壓電梯變頻節能控制系統研究」的基本原理,分析了動力系統在電梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式;詳細地介紹了本課題節能系統液壓動力泵站的結構設計和參數設計,重點研究了液壓動力泵站的結構設計、液壓泵馬達可逆性問題及其選型設計計算、蓄能器迴路泄漏油機理的研究及其補償裝置的設計、蓄能器-泵馬達壓力能量轉換裝置的設計、多功能集成控制閥組的設計等內容;最後簡單介紹了本課題矢量控制變頻控制櫃的外部附件電接線、計算機控制及數據採集系統的硬設計等內容。
  8. In the third chapter, the mathematical models of project system have been established, and simulation has been done on the simulink enviroment of matlab software kits. the simulation focus on the effects of main parameters on the dynamic characteristics of speed control system, and the main parameters include viscosity damp coefficient and friction torque of electrical motor shaft, internal leakage coefficient of pump / motor of hydraulic circuits, gas volume of pressure accumulator, viscosity damp coefficient of cylinder piston and different running building floors, etc. at last, theoretical research effects of the flow and pressure pulsation of pump / motor on car speed and oil volume leakage theory are discussed. the fourth chapter of this thesis concerns the research on the key items about hydraulic power control system according to the ens 1 - 2 and other hydraulic elevator standards

    論文第三章針對組成系統的各個模塊進行了機理建模,並且通過matlab軟中的simulink圖形化模擬環境進行了本課題系統的模擬研究,主要針對影響系統特性的主要參數變化,動態分析系統的輸出特性,在上下行工況中,分析了電機軸系粘性阻尼系數、軸系摩擦力矩、主迴路蓄能器迴路液壓泵馬達內泄漏系數、蓄能器容積、液壓缸柱塞粘性阻尼摩擦系數以及不同運行樓層工況等參數對系統特性的影響;最後對軸向柱塞泵馬達的流量壓力脈動對電梯轎廂速度的影響和蓄能器內油液機理進行了理論研究。
  9. Vigorous mass loss from these stars before they explode, and the heat generated by the supernovas drive the gas out of the galaxy at millions of miles per hour

    在爆發之前,這些恆星會發生劇烈的物質,而超新星產生的熱量也可以將以每小時幾百萬英里的速度驅出星系。
  10. The results show that : the lose of pressure is small when air velocity and the longth of honeycomb potter heat storage bed are varied ; but the switch time of air and the bulk of storage bed play important roles as regard its dynamic thermal performance

    結果表明:蜂窩型陶瓷蓄熱換熱器的壓力隨著空流速以及蓄熱長度的不同而變化,但總上說,其壓力並不大;四通換向閥的換向周期和蜂窩陶瓷蓄熱換熱器的積等是影響其溫度效率和熱回收率等熱性能的重要因素。
  11. When in experiment, the air was heated by the film heater installed on the above and below surface of channel, adopting various air velocity of flow, test import ' s and export ' s temperature, wall temperature, fluid flux and the drop of pressure, and the other parameter. adopting nu and nu0 to analyze the baffle ' s situation of heat transfer and fluid flow, which baffle was holed various diameters

    實驗時,通過矩形通道上下壁面敷設的電加熱膜加熱通道空,改變空流速,測試不同工況時的進出口溫度、壁面溫度、流流量和壓力等參數,並採用無量綱努謝爾特準則數nu 、 nu _ 0等分析了設置不同開孔折流板的換熱與流動情況。
  12. If we take no action to control emissions, each tonne of co2 that we emit now is causing damage worth at least 85 but these costs are not included when investors and consumers make decisions about how to spend their money

    如果我們現在不行動起來控制排放,那麼每排放一噸二氧化碳,造成的大約是85美元,然而,投資者和消費者在決定如何花錢的時候並沒有考慮這部分
  13. Since it has the advantage of no moving components, impulse signal output, strong medium adaptability, high measurement accuracy, wide measurement range, low - pressure drop, no zero drift and easy to maintenance, it is wide accepted that the vortex type fluid oscillatory flowmeter is ideal flowmeter in the measurement of gas, liquid, steam and mix / corrosive fluid

    這類的流量計兼有無運動部件,脈沖數字輸出,計量不受被測流性質影響,測量準確度較高,量程比寬,無零點漂移,壓力小,便於安裝維護等優點,是測量,液,蒸汽,混合型和腐蝕性流的理想的流量計。
  14. In this study, the transonic shock - wave / boundary - layer interaction and viscous shear stress for the turbine and compressor stator were simulated used the implicit two - factor flux - splitting schemes for solving the thin - layer compressible flow

    除驗證各式正確性外並模擬葉片外形對流分離、震波/邊界層相互干擾及壓縮比等關系,以及流黏滯性等影響下,引擎能量與效益分析。
  15. According to the facts of chemical spill accidents in waterway transport, systematic analysis is made on the suitable dispersion models and source strength calculation models of multiple spilled substance, resource and environment respectively, so as to decide the poison and fire & explosion danger area of an accident through the way of dispersion simulation. to resolve the problem to the calculation of spill amount from tanks, calculation formulas on various types of tanks were worked out ; at the same time, research is carried out on the source strength calculation of mixtures with regard to the possible spillage of chemical mixture in waterway transport. for the sake of convenient application, a computer software for the simulation of dangerous area is developed which can provide great assistance to the decision - making of emergency response and reach the target of reducing the damage of the life, property and environment to the smallest degree

    根據水運化學品泄漏事故的具實際,針對各種泄漏物質、泄漏源和環境條件研究了各自適用的擴散模式和源強計算模型,以便通過擴散模擬確定事故的毒害和火災爆炸危險區域;為解決儲罐泄漏量計算困難的實際問題,推導了適用各型儲罐、液艙的泄漏量計算公式;針對化學品水路儲運泄漏事故中泄漏物質可能會以混合物形式存在的情況,探討了混合物的蒸釋放源強計算;為方便實用,開發了蒸擴散危險區域模擬計算機軟,從而為事故應急決策提供了有力的輔助支持,以達到盡可能減少人員傷亡和財產,減輕環境污染的目標。
  16. In experimentation, the project adopts computer, data collection board, sensor and software. finally, the theory analsis is validated that the contact of noise elimination, velocity of flow, resistance loss

    在試驗中,採用了以計算機、數據採集卡、傳感器和處理軟得到阻性消聲器的動態特性,從而驗證了阻性消聲器的消聲量、流速和阻力之間聯系的理論分析。
  17. In a word, the climate conditions of temperature increasing, precipitation increasing and evaporation decreasing benefit the climate change to the direction of wet and warm, benefit to decrease the loss of earth ' s surface humidity, benefit the instauration of plant cover, benefit to self - restraint headwaters, and can regulate the circumjacent climate better

    而言,溫升高、降水增多、蒸發減少的候條件,有利於候向暖濕化方向轉變,有利於減少地表水分的、恢復植被、涵養水源,能更好地調節周邊的候。
  18. Acoustics - laboratory measurement procedures for ducted silencers and air - terminal units - insertion loss, flow noise and total pressure loss

    聲學.管道消音器和終端設備的實驗室測量步驟.插入流動噪聲和總壓
  19. Taking some tubular air pre - heater used in one boiler whose capacity is 130 t / h as an example, new blue print with inner trachea is completed by means of computer program. several key design variables may be changed, such as diameter of pipe and velocity of flow of gas. these cases have been considered, and their results have also been compared with each other

    比較了幾個重要的設計變量,如外管徑、煙流速等參數變化時,總傳熱系數和空預器本管子總重量,阻力以及最低管壁溫度等幾個重要設計結果的變化趨勢,對內螺紋管空預熱器的設計具有借鑒意義;其間還分析了內螺紋管與光管在設計時的不同之處;最後,初步分析了內螺紋管的優化設計問題,提出了一些建議。
  20. These fire - safe valves provide a bubble tight barrier on both upstream and down stream seats and eliminate possible product contamination or loss of fluids due to valve leakage

    這種防火安全閥門在上游和下游閥座提供密性屏障關閉性能,消除了由於閥門泄漏造成產品污染或流的可能。
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