節流阻力 的英文怎麼說
中文拼音 [jiéliúzǔlì]
節流阻力
英文
throttle resistance- 節 : 節構詞成分。
- 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...
- 阻 : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
- 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...
- 節流 : 1. (節省經費開支) reduce expenditure 2. [工業] orificing; choke; throttle down, throttle back; throttle
- 阻力 : 1 (阻礙事物發展的外力) obstruction; resistance 2 [物理學] resistance; drag; drag force; nowel; ...
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Additionally, it has utilized the harvest of the diffluent and confluence cross experiment made by beijing university of technology, which has enhance the application of the software and be of innovation
同時,軟體利用了北京工業大學建築環境與設備實驗室多年來在帶調節拉桿閥片的合流及分流四通局部阻力系數的實驗研究成果。這一點,將擴大了軟體的工程應用范圍。The structure and operating principle of an air - charged split - type adjustable shock absorber was described, e non - linear parameterized mathematical model of this shock absorber ' s damping characteristics was established according to fluid mechanics theory and the main structural affection factors to shock absorber ' s damping performance, such as the diameter of piston valve orifice, the diameter of adjustable orifice, the initial volume of gas chamber, the diameter of piston rod, the inner diameter of oil pipe and so on, were analyzed by simulations
摘要通過分析一種分體式充氣可調阻尼減振器的結構和工作原理,運用流體力學理論,建立了該減振器阻尼特性的非線性參數化模型,模擬分析了活塞阻尼閥孔徑、阻尼調節孔徑、氣室初始體積、活塞桿直徑、油管內徑等主要結構參數對減振器阻尼性能的影響,通過試驗測試,得到了減振器樣件的阻尼特性及其可調范圍。Aiming at the study actuality of fan performance monitoring system and analysis of fan performance curve changes affected by inlet - box and the different fixed - angles of guide blades in the course of installation, a fan flow monitoring model based on rbfnn in whole flow zone was established in this thesis. in the model, the method of no throttle and fan performance curve were used as basis. and on the basis of that model, fan performance curves of 4 - 73no. 8d were approached with experimental data of different speed, different opening - angles of guide blade and different resistance of pipeline, the precision and the error law of model were studied
本文針對電站風機性能監測系統研究較少的現狀,在實驗的基礎上分析了現場加裝進氣箱和由於安裝造成的導流器葉片開度不一致對風機性能曲線的影響,並在此基礎上採用無節流方法測量流量,以風機調節性能曲線為依據,建立了基於徑向基函數( rbf )神經網路的風機流量全程監測模型;以實驗室4 - 73no . 8d離心風機為研究對象,探討了rbf神經網路差壓模型在變轉速、變導流器開度和變管網阻力等工況下的應用精度和誤差分佈規律;最後用visualc + +語言開發了風機性能在線監測系統。After thermodynamic calculation on several operation conditions of the furnace, cold - state flow and resistance mensuration, the combustion of the tubular - furnace hearth was changed into swirl and addition of radiate cylinder and oxygen content detection minish 1. 25 surplus air to less than 1. 15, improving the combustion condition and convection and radiate heat transfer efficacy, resuling in reducing the waste - gas temperature 45, decreasing exhaust gas loss, and saving fuel by 6 %
摘要通過對加熱爐幾種工況進行熱力計算、冷態試驗的流場分佈及阻力測定和熱態試驗的爐膛溫度場分佈及管壁溫度等參數的測定,確定將管式加熱爐爐膛內直流燃燒改為旋流場燃燒和增加輻射筒,增設煙氣含氧量分析,可以將燃燒的過剩空氣系數從1 . 35減小到1 . 15以下,極好地改善爐膛內的燃燒狀況和對流輻射傳熱效果,從而降低排煙溫度45 ,減少加熱爐排煙損失,節約了煤氣量6 %以上。B, positive start has little water resistance and start - up pressure and the flow can be adjusted naturally according to hydraulic prssure
B正向開啟水阻力小,啟動壓力小,且流量根據水壓自然調節Variation of hydraulic resistances in red soil - crop - air continuums in different farming systems in dry season
乾旱季節不同耕作制度下紅壤?魑?大氣連續體水流阻力變化規律As a new type of energy - saving equipment, the tubular heat exchanger with longitudinal flow of the shellside fluid ( thelfsf ) has many remarkable advantages. it betters anti - vibration and anti - smudge performance, enhances heat transfer efficiency, and decreases the shellside pressure loss. it also prolongs service lifetime, reduces the weight and saves material
新型縱流殼程換熱設備作為一種新一代節能降耗設備,具有優良的防流體誘導振動性能、傳熱性能好、傳熱效率高、流體流動阻力小、抗結垢能力強、重量輕等優點,是鄭州大學「熱能工程研究中心」專利產品,為了加快該設備的推廣, 「中心」研發了hecad軟體系統,實現了新型換熱設備工藝設計、機械設計、零部件,圖及總裝圖繪制一體的cad軟體化。Based on the relative theories about electric circuit and synchronous generators " post - fault transient, a practical computerized method making use of node impedance matrix is proposed to calculate the instantaneous currents of a faulty power system
本文基於電路理論和發電機的短路過渡過程理論,利用節點阻抗陣推導出電力系統短路時任意時刻短路電流的實用計算機演算法。Secondly, the paper simplified the calculating model of fume in the high tunnel. took the fume restriction into account, the paper provided some equations to calculate the longitudinal fire ventilation. finally, the paper calculated three examples : the zhongliangshan tunnel and the left route of the yanmenguan tunnel
最後,本文將公路隧道火災的通風模型進行簡化,考慮火災煙流阻力(節流阻力,摩擦阻力,火風壓)的影響,提出了縱向式火災通風計算的方程式,並對中梁山隧道的左右線、雁門關隧道的右線進行了實例計算。1 simple structure, light weight, small cubage, small installation size, small drive moment, convenient operation, quick and flexible switch, realiable sealing, small resistance of fluid, good flow regulating function, long life
結構簡單,重量輕,體積小,安裝尺寸小,驅動力矩小,操作簡便、開關迅速靈活,密封可靠,流阻小,具有良好的流量調節功能,使用壽命長。It allows maximum flow from the air supply valve ; it makes people easy to breath by appropriate air supply in dangerous working condition
供氣閥流量大,呼氣阻力小,且可大流量調節,使作業人員在任何險惡環境下,工作輕松自如。By analyzing flow status of fluid in aerating pipeline, giving up hydraulics and utilizing hydromechanics and advance numerical calculations, the prediction method to solve optimizations height on flow status in aerating pipeline is studied and put forward, which provides a scientific theory base to realize effective drag reduction and economic principle in blend phase transportation for pipeline design
摘要通過分析摻入少量高粘流體形成分層紊流層流的流動狀態,拋棄傳統的水力學研究方法,應用流體力學原理、高級程序設計語言和先進的數值計算技術研究了摻入少量高粘流體分層紊流層流減阻規律,為實現管道混相輸送時高效減阻和經濟節約的設計提供理論依據。With pulsating pressures or mechanical vibrations, we use a glycerine filled version of the product and a specially developed throttle section with an effective damping system so that stability and display quality are considerably improved
在有壓力波動和機械振動的應用場合,我們通過填充甘油和採用帶有高效阻尼系統的節流部件,以提高壓力表的穩定性和讀數準確度。In this respect, it tends to be an alternative of towing tank tests. the solution of 3d viscous flows around a ship in steady straightforward courses is capable of capturing more nearfield flow features than model tests and predicting viscous resistance with high accuracy, whilst for viscous flows around a ship in maneuvering motions such predictions are only in general good
三維船舶粘性流計算方法,具有準確捕捉船體周圍粘性流動細節包括船模試驗難以測量的流動形態的能力,已成功地應用於船舶快速性方面的阻力預報;在船舶操縱性方面,這類方法雖處于初始發展階段,但也已獲得重大進展,具有精確預報船舶操縱水動力的潛力。Increasing original resistan coefficient of the secondary air duct can improve the adjusting performance of air damper, and inhibit pulsation of the flow rate
增加二次風道的原始阻力系數,可以使風門的調節特性得到改善並抑制流量脈動。Its main function is to complete heat exchange in technological process and reuse remaining heat, and its quality plays an important role in the investment in industrial process, power consumption and safe economic operation etc. as a new energy - saving equipment, the tubular heat exchanger with longitudinal flow of the shellside fluid ( thelfsf ) has many remarkable advantages
其主要作用是完成工藝過程的熱量交換和余熱利用,其性能的優劣對工業過程的投資、能耗及安全經濟運行等起著重要作用。縱流殼程換熱設備作為新一代節能降耗設備,具有優良的防流體誘導振動性能、傳熱性能好、流體流動阻力小、抗結垢能力強、使用壽命長、重量輕、節約材料等顯著優點。Flow regulated by resistance change is apparently uneconomical. in power centralized system, we have to change the resistance to regulate the flow of subcircuit and terminal equipments
在動力集中系統中,對支路和末端設備的流量調節,採用改變阻力的方式是不得已而為之。As the requirement of energy - saving and indoor environment gets higher and higher, variable flow technology are widely used in heating and air conditioning systems, namely by changing power or resistance to adjust the flow of the system 、 subcircuit and terminal equipment so as to match usually mutative dynamic heat ( cold ) load variation
隨著節能和室內環境要求的愈來愈高,供暖和空調系統廣泛採用了變流量技術,即用改變動力或改變阻力的方式調節系統、支路以及末端設備的流量,使之與經常變化的動態熱(冷)負荷相匹配。The load method of the system is that installing a throttle ahead of a proportional overflow valve, and the throttle can prevent the effect of the pressure impulsion upon sensors and meters
本論文所述系統的加載方法是在比例溢流閥前裝一個節流閥,利用節流閥來阻止溢流閥產生的壓力沖擊對傳感器及儀表的影響。An air leakage points identification model in branches of ventilation system was established based on airflow balance in all nodes and pressure balance along all circuits of ventilation system
摘要利用通風系統節點風流平衡關系和迴路阻力平衡關系構建出了分支漏風點辨識模型。分享友人