風速分量 的英文怎麼說
中文拼音 [fēngsùfēnliáng]
風速分量
英文
wind velocity component- 風 : Ⅰ名詞1 (空氣流動) wind 2 (風氣; 風俗) practice; atmosphere; custom 3 (景象) scene; view 4 ...
- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 風速 : [氣象學] wind [air] speed; wind [air] velocity
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The author takes consider of the aerial condensability. according to newton ’ s second law and gas equation, it is elicited to the gas pressure distributives in the drill pipe
通過壓力分布圖可知,截面突變導致壓力發生突變,空氣流速在該處最低,因此,最小風量採用截面突變處風速計算。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。On the other hand, it is indicated that the velocity field consists of a depth - independent inertial oscillation and a time - mean shear flow, which can be obtained by subtracting the inertial oscillations time mean in one inertial period. the hodograph of the velocity vector of time - mean flow at the different depths consists of a ekman spiral, and the surface velocity is 30. 3 ? to the right of the wind
一維模式的流場結果表明,混合層中的流場是由慣性波動與時間平均流兩部分疊加而成,且通過時間平均消去慣性波動后得到平均流,其不同深度的流速矢量構成一ekman螺旋,表層流速矢量相對風向右偏了30 . 3 』 。Some of the more pertinent variables include the relative wind, the type of terrain onto which the flammable fluid has drained, the fuel distribution, the location of the fuel spillage within the aircraft, the number of structural openings ( designed or crash produced ) that meter the inflowing air available for an internal fire, and the amount of fuel available to spill
某些更重要的因素,包括相應的風速,油料瀉溢的地面狀況,油料的分佈,飛機內油料外溢的位置,根據結構上開口的數量(設計上的與墜機造成的)來計算灌入的空氣是否會造成內部火災,以及可能外瀉的油料量。In this paper, on the basic theories foundation study of summary people of the past, aiming directly at whether the shelter forest can deposit the sand and how powerful it can. we select the oasis in ulan buh desert as the study plot, and study the function of the shelter forest reduce the " sand " and " dust ". we draw the following conclusion. first, in the fixed and semifixed sand lands, which grow the natural sand - binding plants, the coverage of plant in the fixed and semifixed sand land is 26. 4 % and 10. 3 %, respectively, the amount of sand drift decrease 93. 38 % and 81. 91 % comparing with the migratory sand land which have no plant coverage in the same wind speed and the range of 0 - 40cm above the ground
本文以前人的研究為基礎針對「防護林體系是否有降解作用,有多大的降解作用」這一問題以烏蘭布和沙漠邊緣的防護林體系為研究對象,研究了防護林體系對「沙」 、 「塵」的降解作用,得出以下結論: ( 1 )在距離地表0 - 40cm范圍內,同一風速下生長有天然固沙植物,植被蓋度分別為26 . 4 、 10 . 3的固定、半固定沙地上,地表起沙量分別比無植被生長的流動沙地降低了93 . 38 、 81 . 91 。It shows that the injection quantity and the difference of temperature distribute as a parabola which is at the same load, and the minimum of the parabola corresponds to the optimum quantity of injection ( g ). under the condition that the quantity of injected mass, the air speed and the heat quantity is respectively g, v and q, the research demonstrates that the pentium iv chip ' s temperature variation can be controlled under 40c and work normally when the wind speed overpass 1. 5m / s and the power dissipation of the chip is 60w. otherwise this paper calculates the flooding limit of thermosiphon with several different methods
對其充灌量、散熱量、電子元件( cpu模擬晶元)表面與環境溫度之差及通風、流速的影響進行了系統的測試,發現充液量與溫差的關系在負荷不變時呈拋物線分佈,其極小值點對應的充液量是最佳充液量g 。在充液量為g時,對風速v 、散熱量q進行的研究表明,當風速超過1 . 5m / s后,奔騰晶元在60w發熱條件下晶元溫度小於40 ,能滿足長期正常工作。We used anemometers and copper constantan thermocouple respectively to measure velocities and temperatures of all measuring points under various air volumes within the room
用熱線風速儀、銅?康銅熱電偶分別測量出不同送風量下的室內各個測點的速度和溫度。The shear experienced by the departing aircraft was due to vertical shear as the plane passed through the low level jet. based on the winds measured on - board a flight departing 8 minutes earlier, there was a rapid increase in head wind component, from 13 kt at 1, 420 ft to 39 kt at 3, 100 ft
起飛的飛機所遇到的風切變是由於該機經過低層急流的垂直切變所引致,根據一架在8分鐘前起飛的航機量度到的風速,顯示逆風由1 , 420尺的每小時13海里急速增加到在3 , 100尺的每小時39海里。First of all, this paper analyses present problems existing in the boiler combustion monitor system of power plants, then put forward the signification to realize precision measurement for the primary and secondary air speed of boiler and the necessary conditions to solve efficaciously this problem
本文首先分析了目前電站鍋爐燃燒監測系統中存在問題,提出鍋爐實現一、二次噴口風速準確測量的重要性以及有效解決該問題所需要滿足的必要條件。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。Then the air distribution system of the above - mentioned hotel ' s multi - function - hall was simulated with fidap, and the indoor temperature and velocity under the preliminary option was calculated. under the half - load condition of small air - supply quantity and slow velocity, finds that the problem has arisen, which the cold jets fall too fast in summer and the air distributes layer upon layer in winter
然後應用fidap對上述旅館的多功能廳空調氣流組織初步方案進行了數值模擬計算,預測了該初步方案的室內溫度、速度分佈,發現在送風量和送風速度小的半負荷工況下,會出現夏季送風時冷射流過早下降,冬季送風時氣流分層分佈的現象。With experiments and theoretical analyzing, we find when the heat discharge is smaller than the entrainment limited, what influences the ability of heat - transmitting of work quality is the quantity of injection and dry limit fluid inventory, the optimum quantity of injection of the three working fluid is 8 ~ 14g ; and the delivering factor that transmission coefficient is determined by capillary limit, not the heat transmission ability of the thermal syphon. therefore, among the three working fluid, acetone is the best. low wind - speed has the obvious function in heat transmission of the thermal syphon
本文通過實驗研究和理論分析,認為在熱流量小於攜帶極限時,影響工質傳熱能力的是cpu重力熱管的充液量和其乾涸極限,此次所實驗的三種工質,最佳充液量應當在8g ~ 14g ;傳輸因素主要決定普通熱管的毛細極限,而不是重力熱管傳熱能力的決定因素;三種工質中的最佳工質是丙酮;小風速時風速的變化對cpu重力熱管的傳熱有明顯的作用,但在風速大於1m / s以後,風速增加對于cpu重力熱管的傳熱能力的增加效果減緩。Abstract : humidity is an important physics unit among wet - hot tests, its exactness test degree badly influences test environmental simulation degree, and that wind speed is an important factor of effect humidity measurement precision, the paper analyses and discusses about it in depth, and puts forward elimination methods
文摘:濕度是濕熱試驗中一個重要的物理量,其精確測量程度嚴重影響試驗環境的模擬程度,而風速是影響測濕精度的一個重要因素,本文對其進行了深入地分析和探討,並提出了消除措施。Using an ideal two - dimensional mhd model, this paper investigates the evolution of a pure flow velocity enhancement disturbance in the solar wind in the heliospheric equatorial plane ( 2 - d, 2 - component model ) and the heliospheric meridional plane ( 2 - d, 3 - component model )
摘要採用二維理想mhd模型,分別在日球赤道面(二維二分量模型)和日球子午面(二維三分量模型)內研究太陽風中純速度增幅擾動的演化。Computational fluid dynamics ( cfd ) techniques are used to study and understand fluid behavior in tunnels. by simulating complex specific operational cases, we can educe velocity or flux distribution in tunnel under different ventilation and resistance situation and determine the favorable operational procedures of the erlang mountain tunnel ventilation in a fire case. comparison has been made between a simulation and experiment for some cases in order to prove the cfd model is powerful, so that enables the study of cases for which experimental data is not available
採用本文將隧道內的氣流看成是理想流體的一維恆定流動,通過對二郎山特長公路隧道半橫向通風系統建立隧道內的空氣動力學模型,利用計算機進行數值分析與計算,得出發生火災時,不同通風阻力條件下隧道中的風速分佈及流量分佈,並通過實驗室隧道模型實驗進行驗證與修正,依據研究結果給出了二郎山半橫向通風隧道的火災控制方案,從而解決了二郎山公路隧道通風對火災的控制問題,同時為半橫向通風公路隧道的火災通風提供科學的方法。We collected samples of the dust derived from the dust storm with an interval of 4 hours and obtained 13 groups of sample which had been dried and weighted in lab
通過對分時段監測取得的13組降塵樣品進行降塵量和粒度測定,結合風速變化情況,可將本次塵暴分為塵暴前期和塵暴後期兩個過程。Longradar offer approximate ten thousand of products of pressure, vacuum, flow, air velocity, temperature, humidity, level and valves, which are commonly applied in the fields of industrial automation, hvac, building autoimmunization control, electric power, petroleum, chemical industry, boilers, water treatment, compressors, freezing refrigeration, food brewage, pharmacy, light industrial, environmsent protec - tion, clean industry etc
在上游安裝一個帶有蛋形格柵的橢圓形流體噴嘴,可以提供一個精確構造簡單的空氣體積測量系統。在噴嘴的出口,空氣釋放時的風速分配是一致的靜壓為零。因此,噴嘴上游的總壓力是噴嘴出的速度壓力-於是就容易計算體積了。According to the wind speed distribution function with exponential rule, the difference value is accurately calculated between the actual wind power produced through the rotor swept area and the wind power produced by taking wind speed at the rotor centre as the design wind speed, and the power increment is obtained
摘要根據指數律的風速分佈函數,對風輪掃掠面積上的實際風功率與以風輪中心風速為設計風速產生的風功率的差值做精確計算,得到了風功率的增量。Aiming at the structure characteristics of the pipeline system of the existing boiler combustion equipment, the paper work out the new - style air speed measure components via the theory analysis of the existing measure components of all kind of forms and measure theory. and then the paper designs and builds the wind tunnel test - bed to process the test and research of the air speed measure components in order to realize it ' s structure and each characteristic parameter
針對現有的鍋爐燃燒設備管路系統的結構特點,論文通過對現有的各種形式、測量原理的流量測量裝置的理論分析,設計出新型的風速測量元件,並且設計、建立滿足試驗所需的風洞試驗臺,對風速測量元件的結構及各項特性指標進行試驗研究,完成一次元件的開發工作。Hence, this paper is accomplished to develop the study of the wind power generation cost. the content is as follows : first, the history and the present of wind power generation are introduced ; second, the social cost of wind power generation are studied by means of comprehensive analyses
1首先,本文介紹了風力發電的歷史和現狀; 2其次,運用層次綜合分析方法,從社會總成本的角度對風力發電成本進行研究,得出風力發電的社會總成本第二的結論; 3再次,運用風速分佈模型、期望發電量模型、風電成本計算模型,對我國風力發電的實際成本狀況進行研究;通過敏感性分析的方法,以實例對影響風電成本的因素進行研究。分享友人