側風影響 的英文怎麼說
中文拼音 [zhāifēngyǐngxiǎng]
側風影響
英文
crosswind effect-
The influence of inflow velocity, the baffle body height and the clapboard position on the flow velocity, flow equilibrium between the two sides of the clapboard, particle distribution, rich / lean concentration ratio and flow resistance characteristic are studied numerically
文章研究了來流速度,撞擊塊高度、隔板位置等因素對氣相速度場、隔板兩側配風均勻性、顆粒濃度、濃淡分離比和燃燒器內阻力特性的影響。The thesis focuses on the development of the dynamic simulation model of evaporators, the accomplishment of the stable and dynamic simulation of the parameters of cryogen - side, air - side and how to carry out dynamic simulation on the refrigerating effect of evaporators under different evaporating temperature and the realization of the analyses and calculations of the main parameters, such as, the wind speed of air - side and specific humidity etc, which affect the function of evaporators
本文重點是對蒸發器建立動態模擬模型,並對製冷劑側和空氣側參數進行穩態和動態模擬,同時對蒸發器在不同蒸發溫度下的製冷量進行了動態模擬,而且對影響蒸發器性能的主要參數(空氣側入口風速、入口含濕量等)進行了分析和計算。Ess sensitive to crosswind drift than a lighter bullet
不易受側風偏移的影響。Some flight course switch rules are researched. uav ’ s launch stability and flight course precision are influenced by wind. through the research of flight control, some way are found to lower the wind influence
研究了風速對無人機的發射穩定性影響,通過風速對無人機導航控制影響的分析,提出了減小側風影響的控制策略,並推出一種計算平均水平風速的方法。( 3 ) the polar eddy, the west circumfluence on 500hpa medium latitudinal region ands subtropic circumfluence are the key systems of tpnes floods precipitation and, the wet years have abundant vapor, moreover, the omga is positive in all atmosphere
( 3 )極渦、中高緯西風環流系統和副熱帶系統是影響青藏高原東北側區汛期降水的大尺度環流背景關鍵系統。同時,多雨年的主要流場特點是有利於水汽輸送,且整層大氣始終表現為上升運動。Strong to gale winds were recorded at the hkia between 3 a. m. and 9 p. m. on 16 september with winds attaining gale force between 5 a. m. and 11 a. m. a maximum hourly wind of 41 knots and a maximum gust of 61 knots were recorded
受約克的影響,九月十六日上午3時至下午9時在香港國際機場吹強風至烈風,並於上午5時至11時吹烈風。在此期間錄得最高每小時風速為41海里,最高陣風達每小時61海里及最高10分鐘側風每小時41海里。Strong to gale winds were recorded at the hkia from 10 a. m. on 22 august until 1 a. m. on the next day with winds reaching gale force between 1 p. m. and 6 p. m. a maximum hourly wind of 34 knots and a maximum gust of 50 knots were recorded
受森姆的影響下,香港國際機場在八月二十二日上午10時至翌日凌晨1時受強風至烈風影響,並於下午1時至6時錄得烈風。在此期間內錄得最高每小時風速為34海里,最高陣風達每小時50海里及最高10分鐘側風每小時35海里。It is showed in wind - vehicle - bridge system vibration analysis that cross wind action can remarkably increase the response of bridge and vehicle. generally, the response of bridge and vehicle are increased with wind speed and train speed, one case that vehicle is on leeward side of deck is more unsafe than another case that vehicle is on windward side of deck. nonlinear factors can more influence bridge than vehicle
風?車?橋系統耦合振動分析結果表明:考慮風的作用會顯著增加車輛和橋梁的響應;車輛和橋梁的響應總體上隨風速和車速的提高而變大;車輛位於橋道背風側時較迎風側時更為不利;非線性因素對橋梁的影響較車輛的要大。In this paper, from the viewpoint of basic automatic control system, a cooling tower supervisory controller is designed and tested by applying it on the digital simulator to real time control the tower airflow and tower fan sequencing in central air - conditioning
摘要從集中空調冷卻水側基本自動控制系統的局部角度出發,設計了冷卻塔風扇上位機控制器,對風扇風量和運行臺數進行實時控制,並通過模擬試驗分析了其對系統控制穩定性和系統能耗的影響。To the large - scale atmosphere, we separate the terms of the horizontal vorticity converting into the vertical vorticity, which considered as the baroclinic terms, from the terms that not including horizontal vorticity by the rules of the p coordinate transforming to the z coordinate in the traditional vorticity equation, and carry out the scale analysis, and then conclude that the baroclinic terms are able to reach the same magnitude grade as the partial derivative of the vertical vorticity to time when it takes place the large scale precipitation in the summer monsoon period in china. by analyzing the game reanalysis data from april to august in 1998 in the region of chinese continent, we found that the baroclinic terms is important to the large - scale cyclone developing above the 600hpa, and the magnitude changing of the baroclinic terms is nearly in - phase as the monsoon movement, so which imply exactly that the magnitude changing of the baroclinic terms is the one of the natural characters of the summer monsoon evolution and equivalent to the movement rule of the subtropical high of the western pacific
在p坐標垂直渦度方程中,利用p坐標向z坐標轉換的公式將水平渦度向垂直渦度轉化的所有項分離出來,這些項具有明顯的斜壓特徵,對其進行尺度分析后,得出在可以忽略潛熱釋放對渦度影響的對流層中、高層,此轉化項是大尺度斜壓渦度發展的重要項。通過對1998年48月的game再分析資料進行實際計算也發現,轉化項在東亞夏季風上升支的600hpa及以上層次對垂直渦度的局地變化貢獻很大,不能忽略。同時發現水平渦度向垂直渦度的轉化在南海季風爆發時和江淮梅雨入梅及發展過程中均有指示性意義,在南海季風爆發以後,在中國東南部地區,轉化項的大小與夏季風的活躍和中斷等活動有著幾乎一致的變化規律,這從側面也指出了,此轉化項的變化是夏季風演變所具有的本質特徵,並且它反映出了西太平洋副高在中國大陸的活動情況。The results indicate that there is a strong to weak, then weak to strong evolution process for the total grassland desertification, middle desertification and slight desertification, which can be attributed to climate change and human activities, especially to the influence of climate change ; due to coal exploitation, the severe desertification is always distributing in " ? " around the mining land, and developing to the east quickly with the help of monsoon
結果表明:受氣候變化、超載放牧、掏挖藥材以及墾荒等因素的影響,輕度荒漠化、中度荒漠化以及荒漠化總面積存在由強轉弱、再由弱變強的演變過程:受煤炭開發的影響,重度荒漠化草地多圍繞礦業建設用地呈「 ? 」狀分佈,並且受季風影響向礦業建設用地東側發展迅速。Only the wind - in door near the working generator set is opened, and exhaust fan is installed in the middle of the cabin. the ventilation and heat dispersion are enhanced by the two methods, making the wind - in door move toward below and making exhaust fan move toward below
機組艙應只開啟工作機組側的進風口,且把抽風機設置在機組艙中部,使進風口靠下和使抽風機靠下均能增強機組的通風散熱,但使進風口靠下是增強通風散熱的主要影響因素。For shelters, the results show : 1 ) to reduce the raining drops entering into the inlet and to decrease the influence of the vortex, the declining angle of 45 is recommended for the shelters ; 2 ) it is better to choose those shelters which are longer 100 mm ~ 200 mm than the height of the inlets, as they may protect the room from rain
對于單側百葉風口的擋雨板,計算表明: 1 )為了防止雨水隨空氣流入自然進風口,並且使風口盡量少受渦流區的影響,建議選用傾斜角度為45 「的擋雨板; 2 )建議選用長度比風口高度長100mm - - 200 「的擋雨板,可以較好的避免擋雨板過短將雨水帶入室內和過長影響風口進風的情況。In general, these studies are primarily based on the theories of financial restraint and financial deepening initiated by r. i. mckinnon and e. s. shaw, either stressing the urgency of china ’ s interest rate liberalization, its international experience, target orientation, mode selection, sequencing, conditional creation, risk control and the transformation of the monetary policy conduction mechanism, or such problems as the effect of reform on each economic party, positive examination of the real interest rate, savings mobilization, investment quality, relativity between the variables in economic growth as well as the interest rate sensibility in economic sectors of different ownerships
總的看來,這些研究基本上以麥金農和肖所開創的金融抑制?金融深化理論為依據,或是側重於討論我國利率市場化改革的必要性迫切性、國際經驗、目標定位、模式選擇、次序安排、條件創造、風險控制以及貨幣政策傳導機制的改造等問題,或是側重於分析改革對各個經濟行為主體的影響,再者就是實證考察實際利率、儲蓄動員、投資質量、經濟增長各個變量之間的相關性和不同所有制經濟部門的利率敏感性。The influence of the melt transfer temperature, spinning temperature, temperature and speed of quench air, the 1st hot rolls temperature, the 3th hot rolls temperature, drawn ratio on dying property of melt direct spun fdy were discussed
摘要主要就熔體直接紡fdy生產過程中熔體輸送溫度、紡絲溫度、側吹風溫度、風速、第一對熱輥溫度、第三對熱輥溫度、拉伸倍數等因素對染色性能的影響進行探討。For vehicles in crosswinds, with the increase of crosswind angle, static pressure and side force of the vehicle windward increase and reach maximums at crosswind of 90 degree, and then decrease when the angle of crosswind continues increasing
在側風影響方面,隨著側風角度的增大,車輛迎風面的靜壓、側向力先增大后減小,在車輛受到90o側風時最大。The flow propagates northward and marches across the equation, then passes through the trough of summer monsoon over south china sea and finally gets to the yangtze river valley, which sequentially effect the southwest airflow of the west side of subtropical high
( 3 )在副高西伸過程中,南半球澳大利亞高壓北側的冷空氣向北推進,經向風擾動持續向北傳播,從而影響副高西側的偏南氣流。But now in the process of real estate investment analysis, the traditional methods of risk analysis to investigate the risk are the sensitivity analysis and balanced analysis ; these methods primarily include the following deficiencies : ( 1 ) they can only analyze the impact of risk, but it will overlook the possibility of the risk, so it can only evaluate impact for the project of the risk factor, it can not make the determination for the probability of occurrence
但是目前在房地產開發投資分析過程中,所使用的風險分析方法還在沿用傳統的風險調查法、敏感性分析法和盈虧平衡分析法;這些方法都是假設資源沒有限制的原則下,側重數學分析和解析計算,由於簡化了風險問題本身的相關性和復雜性,使得這些方法在實際中的應用受到了限制,主要存在以下不足之處: ( 1 )只能分析風險的影響作用,而忽略了風險本身發生的大小差別,故只能對項目的風險因素作影響程度上的評價,而不能對其作發生概率大小的測定。Study on the effect of fan station on side airflow by mine ventilation simulation system
用礦井通風模擬系統分析機站對旁側風路的影響For shutters, the results show : 1 ) according to the formula p =, the theoretical value of is calculated by the effective velocity of the flow, and its engineering value is calculated by the arriving velocity of the flow, the relationship between the theoretical value of and its engineering value is 2 ) the smaller value of declining angle will result in the smaller pressure loss and smaller outlet velocities. as a result, the declining angle of 30 擄 or less is recommended in some places which need small wind velocity, such as broadcasting studio and library, and the declining angle of 45 擄 or less is recommended in places which need big wind velocity, such as cinema and office ; 3 ) the larger value of ratio between the wide of the shutter b and the space between two boards h ( b / h ) will result in the larger pressure loss and smaller outlet velocities. the range of b / h from 0. 8 to 2. 0 and the optimum value 1. 2 is recommended ; 4 ) the range of b from 10 mm to 50 nun and the optimum value 40 mm is recommended ; 5 ) the proper thickness of the boards 8 of the shutters is 1. 5 mm ; 6 ) cuneiform boards should replace the rectangle inlet boards of the shutters in order to obtain better ventilation
數值模擬採用fluent軟體,計算結果用excel進行處理,通過對大量數值工況進行數值模擬計算,結果表明:對于單側百葉風口,計算表明: 1 )對于公式p = ( ~ 2 ) 2 ,的理論計算值中定義為流體流經百葉風口內部時的速度,即有效速度,而工程上常使用流體的來流速度來計算,計算表明,的理論計算值與工程應用值的關系為( _ (理論) ) ( _ (工程) ) = 0 . 813 ; 2 )當來流速度一定時,擋板傾斜角度越小,壓力損失越小、出口速度越小;因此在要求進口風速比較小的場所,如播音室、圖書館等,宜採用擋板角度30的百葉風口;在要求進口風速比較大的場所,如電影院、辦公室等,百葉擋板的角度應選45 ; 3 )當來流速度一定時,百葉擋板的擋板寬度b與擋板間距h的比值b h越大,壓力損失越大,出口速度越小,計算表明,鑒于壓力損失、出口風速、板間形成渦流區的大小,百葉擋板的b h值取0 . 8到2 . 0之間, b h = 1 . 2為最佳值; 4 )當來流速度一定時,在計算的條件下,當百葉擋板寬度b = 40mm時,百葉擋板的阻力系數最小,考慮到渦流區等的影響,建議選用10mm b 50mm的百葉擋板;西安建築科技大學碩士學位論文5 )百葉擋板的厚度取為1 . sinln為好; 6 )百葉擋板的入口側可選用具有傾斜度的楔形擋板來代替矩形擋板,利用其較好的導流作用,可得到更好的出流效果。分享友人