inlet efficiency 中文意思是什麼

inlet efficiency 解釋
進氣道效率
  • inlet : n. 1. 進口,入口。2. 【電學】引入,輸入,輸入線。3. 水灣,小港。4. 插入物,鑲嵌物。vt. (inlet, inletting)1. 引進。2. 嵌入,插入。
  • efficiency : n. 1. 功效。2. 效率;效能;實力,能力。3. 【物理學】性能。
  1. In pumping fluid with gas, pressure boost can be improved by enhancing the pump rotation speed, thereby improving the performance of the pump to a certain degree ; when the gas content is constant, by increasing the inlet pressure, the pressure boost can be enhanced and the pump efficiency be improved remarkably ; when the gas content is rather high, there will be a problem of matching between the gas pressure and the fluid pressure ; the performance of the multiphase pump can also be improved by means of rational design of buffer vessel and homogenizer

    試驗分析認為,氣液混輸工況下,提高泵轉速可以提高增壓,在一定程度上能改善多相泵的工作性能;含氣率一定時,增加進口壓力,可使多相泵增壓值增大,泵效明顯增加,最大含氣率點后移,但含氣率很高時,存在氣液壓力相匹配問題;改進緩沖罐和均化器的設計,有利於氣液互相夾帶,避免氣囊產生,可改善多相泵的輸送性能。
  2. The hydraulic characteristic of the inlet and outlet system which is an important part of urban sewage pumping station has a direct influence on the efficiency of the pump

    進出水系統是城市排污泵站中的一個重要組成部分,進出水系統的水力特性對水泵性能有著直接的影響,良好的進出水條件可以使水泵裝置達到良好的運行狀態、獲得較高的效率。
  3. Practice during the period of four years shows : ( 1 ) settled water pond and three - stage filtration system with mechanical agitation can meet the requitments of reverse - osmosis components to the inlet water quality ; ( 2 ) it must be considered in the design that the demineralization efficiency of reverse - osmosis components will be decreased about 1 % 2 % in every year ; ( 3 ) in normal case, the outlet water from reverse - osmosis equipment shall enter into mixed bed via a decarbonator ; ( 4 ) the output capacity of the mixed bed must have a sufficient surplus, to avoid its influence on the water supply

    經4年的實踐表明: ( 1 )採用機械攪拌澄清池和三級過濾的系統,可以達到反滲透組件對進水水質的要求; ( 2 )反滲透組件的脫鹽率每年約降低1 % 2 % ,在設計中必須考慮; ( 3 )一般情況下,反滲透裝置的出水應經過除碳器再送入混床; ( 4 )混床的出力必須有足夠的余量,以免影響供水。
  4. 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。
  5. As a result, the importance of inlet region packing in increasing the micromixing efficiency in an rpb was confirmed experimentally for the first time

    本文第一次從實驗上證實了旋轉填充床填料的端效應區在強化微觀混合方面的重要作用,系統的總結了各操作參數對微觀混合的影響。
  6. First super - low specific - speed centrifugal pump has a long and narrow flow passage for its high head and low capacity, and the power absorbed by disc friction is too high, so the efficiency is very low ; secondly the diffusion of flow passage is so high, that the reserved flow often emerges at the inlet and outlet of impeller. therefore the h ~ q characteristic curve is often hump - shaped, and at the low - capacity operating condition the instability often occurs ; thirdly the centrifugal pump at high - capacity operating condition is easy to overload because the n ~ q curve appears a rising trend

    首先由於它的揚程較高、流量較小,所以它的流道狹長,圓盤摩擦損失較大,效率相對較低;其次由於它的流道擴散較嚴重,易在葉片進口產生迴流和在出口產生脫流,揚程流量特性曲線易出現駝峰,在小流量工況下易產生不穩定現象;第三,由於其功率流量曲線呈現上升趨勢,在大流量區運行時電機易過載。
  7. Then by using the excel software, we get the figures of the velocity profile and pollution concentration distribution of different sections, and get the ventilation efficencies of the three ventilation forms. as view from the efficiency of the draining pollution, a desired ventilation is regarded as the up - inlet and down - outlet on the same side after compairing the three ventilation efficiency. the trend of the velocity profile and the pollution concentration distribution both are basically identical with the practice, and the numerical results of the ventilation efficency accord with the ones studied by prof

    從排污效果的角度上來看,分析得出這幾種方式下較好的送排風方式是同側上送下排方式。從得到的流場、濃度場分佈的趨勢來看與實際大體一致,計算的通風效率與已經有的實驗值大體相吻合,說明本文所採用的數學模型合理,計算方法基本可靠。
  8. Using lithium bromide aqueous solution as liquid desiccant, adopting the total heat transfer rate and enthalpy efficiency to describe the combined heat and mass transfer performance and the moisture removal rate and regenerative efficiency to describe the mass transfer performance of the regenerator, explores the effect of air and desiccant inlet parameters on the regenerator performance by experiment, and compares the result obtained with those of other counter - flow configurations previously published

    以溴化鋰溶液為除濕劑,採用總換熱量、全熱效率描述再生器的熱質交換總體效果,採用再生量、再生效率描述傳質效果,實驗測試了溶液和空氣的進口參數對再生器性能的影響,並與逆流再生器的實驗結果進行了比較。
  9. The flow of every pump is inclined to be different in the same side - inlet sump and the poor flow pattern, and then the inlet condition of the pump is not good, which makes the efficiency of the pump drop and causes vibration etc. based on the theses on the hydraulic characteristic of the wenshui road pumping station in the third period shanghai disposal sewage project, the methods were discussed to improve the flow pattern of side - inlet sump, and the measures were put forward to ameliorate the flow pattern in the paper

    對側向進水集水池,一般會出現同池各水泵配水不均勻,池內流態紊亂、水泵吸水條件差,繼而導致水泵效率下降、機組振動等問題。本文結合上海市污水治理三期工程汶水路泵站水力特性研究課題,探討了改善側向進水集水池水力特性的途徑與方法,提出了有效的整流、均流措施。
  10. While the speed is very large, the fuel - air mixing behind the airstream is decreased and the span that the fuel flow in the second combustor is reduced, so the combustion efficiency is decreased, h ) if the fuel streams impinge with the airstreams directly at the air - inlet exit, it make against increasing the combustion efficiency, i ) increasing air - to - fuel ratio within proper range can increase the combustion efficiency

    增加燃氣噴射速度有利於增強迴流區強度,頭部燃燒溫度上升,但速度太大則會減弱燃氣同空氣在進氣道下游的摻混燃燒,減少燃氣在室內停留時間,燃燒效率降低; 8燃氣射流與空氣流在進氣道出口直接撞擊不利於燃燒效率的提高; 9在適當范圍內增大空燃比能顯著提高燃燒效率。
  11. This experiment include many contents, in a word, that is summer condition experiment, winter condition experiment > summer - winter transition condition experiment and winter - summer transition condition experiment, furthermore summer condition experiment still include flux changing experiment and winter condition experiment still include thermal balance experiment this article dealt with the data of the test, calculating out energy absorbing ( energy discharging ) of buried pipe in winter condition ( summer condition ), input power of heat pump x heat exchanging of piece buried pipe length x co - efficiency performance ? op ( energy efficiency rate ? er ) and average heat exchanging coefficient ; in additiont this article compares the inlet water temperature and outlet water temperature of underground the first layer and the second layer buried pipe when heat pump was running, the results are that the heat exchanging ability of the second layer buried pipe outgos the first layer buried pipe, and heat exchanging is more stable ; and still analyse earth temperature resuming in the transition season. the results are earth temperature resume fast in the first week when the heat pump runs off

    本文測試內容相當多,概括地說就是四個工況的測試,即夏季製冷工況的測試、冬季供熱工況的測試、夏?冬過渡季測試和冬?夏過渡季測試;另外在夏季工況的測試中還進行了變流量測試,在冬季工況的測試中還進行了熱平衡測試。本文對測試數據進行了處理,計算出了冬(夏)季工況埋管吸(放)熱量、熱泵空調器供熱量(製冷量) 、熱泵空調器輸入功率、埋管單位管長換熱量、供熱性能系數(製冷能效比)和平均傳熱系數等;另外,還比較了熱泵運行時地下一二層埋管進出水溫度變化情形,得出地下二層埋管換熱能力優于地下一層埋管,且換熱很穩定;並分析了過渡季地下一二層埋管溫度恢復情形,得出熱泵系統停機一周內地溫恢復特別快。
  12. The effects of a wide variety of parameters such as the velocity, the temperature, the inlet moisture content of the primary and the secondary airflow, the channel width on basic thermodynamic criterion, such as thermal efficiency, exergy efficiency, exergy efficiency ratio, thermodynamics consummation, exergy destruction rate, exergy destruction coefficient, are simulated numerically

    在此基礎上,通過一些基本的熱力學指標,如換熱效率、火用效率、熱力學完善度、火用損率、火用損系數等,對間接蒸發冷卻過程能量以及有用能的利用、損失情況進行了分析和研究。
  13. In addition, the variations of the viscous effect with different inlet temperature is studied, the changing law of thrust and thrust efficiency with temperature is analyzed

    其次,變化來流氣體溫度,研究粘性效應的變化,分析推力、推力效率受溫度影響的變化規律。
  14. Directing against state of affairs at present, such as margin of type - selection parameters being selected comparatively large during design stage of air fans for boilers in thermal power plants, the opening degree of air fans in operation being often smaller ( for adjustment of inlet regulator ) or operation at lower revolution speed ( for speed - regulating operation mode ), and efficiency of air fans being lower etc., factors and corresponding measures having to pay attention in margin selection of air fan ' s parameters have been put forward through analysing practical example of retrofitting forced draft fans in one power plant, playing certain positive role for energy - saving and benefit - increasing in power plants

    摘要針對目前火力發電廠鍋爐風機在設計選型時參數裕量選取較大,運行時風門開度較小(對入口調節器調節)或低轉速運行(調速運行方式) ,風機效率較低的狀況,通過對某電廠送風機改造實例的分析,提出了在風機參數選擇中的裕量選取需要注意的因素及相關對策,對電廠的節能增效有一定的積極作用。
  15. The poor flow patterns are inclined to exist in the round sump which is not designed properly and then the inlet condition of the pump is not good, which makes the efficiency of the pump unit drop and causes vibration. if there are a lot of sediments in the water flow, the problem of sediment deposition is to be solved

    圓形集水池由於其結構的特殊性,設計不當易導致池內流態紊亂、水泵吸水條件差,繼而影響水泵的正常運行,導致水泵機組效率下降、振動等,如果來水含有泥沙則易產生泥沙淤積。
  16. Urbular turbine generator set is suitable for heads from 2m to 15m and large discnarge. its feature is that water flow is axial throughout the passage from the inlet to the outlet, so that the passage is straight conduit essentially. the tubular turbine generator set is characterized by good characteristic of water flow and high efficiency. etc

    混流式水輪發電機組廣泛適用於高中低各種水頭,一般從10米至300米,其特點是水流流經轉輪葉片時先沿著幅向進入,然後逐漸變成軸向離開,因而混流式水輪發電機組具有運行可靠,結構簡單,平均效率較高等特點。
  17. The experimental and simulation results show that using the improved structure of inlet header can greatly improve flow uniformity, decrease pressure loss, enhance the efficiency of twc, attribute to prolonging the service life of the machine, and lessen the power decrease caused by twc, but the light - off time of twc is retarded

    通過模擬與試驗表明,與常規結構催化轉化器相比,組合型入口管可明顯改善流動均勻性,降低壓力損失約1 / 4 ,提高催化轉化器效率,延長使用壽命,減小對發動機動力性的影響,但起燃變慢。
  18. ( 5 ) the energy consumption analysis and experiment of the two systems, which are pump - control - motor speed governing system with inverter and hydraulic speed governing system with inlet throttle, are made. some useful conclusions are obtained. new clews are provided to enhance the total efficiency of hydraulic speed governing system with inverter

    ( 5 )對變頻泵控馬達調速系統和進口節流閥控馬達調速系統進行了能耗分析和對比實驗研究,得到了有益結論,為進一步提高變頻泵控馬達調速系統的節能效果提供了新思路。
  19. With computations and analysis, the comprehension on the mixing and combustion process is increased, and some significative results are listed below : a ) there are three recirculation regions and one vortex region in the combustor, and these recirculation regions affect the combustion process deeply, b ) increasing side - arm angle and moving side - air inlet position toward the fuel inlet can improve mixing and combustion characteristics, and increase the combustion efficiency, c ) when the angle between two air - inlets equals to 180

    通過計算與分析,增進了對補燃室內摻混燃燒過程的理解,為固體火箭沖壓發動機補燃室設計提供了一些有意義的結果: 1補燃室內的流動十分復雜,存在三個迴流區和一個旋渦區,迴流區對摻混燃燒過程有重要影響; 2增大空氣入射角度、向前移動進氣道出口位置有利於增強頭部迴流區強度,增強摻混效果,燃燒效率上升; 3
  20. Abstract : through the study of inlet manifold of truck direct injection diesel engines, we studied the fundamental law of the utilization of gasdynamic effect in the inlet manifold to increase the volumetric efficiency in multi - cylinder engines

    文摘:本文通過對車用直噴式柴油機進氣管的試驗研究,探討了在多缸柴油機中利用進氣管內的動力效應以提高充氣效率的基本規律。
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