空氣速度 的英文怎麼說
中文拼音 [kōngqìsùdù]
空氣速度
英文
air velocity; air speed空氣速度測量 [流] air-velocity measurement; 空氣速度指示器 air velocity indicator- 空 : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
- 氣 : 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...
- 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...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 空氣 : 1 (大氣) air; atmosphere 2 (氣氛) atmosphere 3 (氣閘) air brake4 pneum ; pneumo ; pneumat ;...
- 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
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Wind speed is the speed of the air flow. it is usually expressed in kilometres per hour or as a force on the beaufort scale
風速是指空氣的移動速度,一般以公里每小時或蒲福氏風級來表示。And at the same instant dant s felt himself flung into the air like a wounded bird, falling, falling, with a rapidity that made his blood curdle
接著,唐太斯就覺得自己被拋入了空中,象只受傷的鳥穿過空氣層,然後直往下掉,以一種幾乎使他的血液凝固的速度往下掉。In this paper, using phoenics software to compute and analyze the variety rule of the convecting transfer heat at the basis of computing and analyzing the temperature and velocity field of one underfloor supply air room with a focus hot source, and concluding that the number of the hot source and the supply air outlet > the intensity of the hot source and the volume of supply air will influence convecting transfer heat, and obtained its correlativity formula
本文針對一下部有集中熱源的地板送風空調小室,利用phoenics軟體,在計算分析小室內氣流的速度場及溫度場的基礎上,對對流熱轉移量的變化規律做了計算分析,最後得出對于下送風小室的對流熱轉移量與熱源的個數、送風口個數、熱源強度、送風量等因素有關,並且得出了其相關關系式。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。The additional flow is formed by the device of dentoid baffle, and the application of the device of dentoid baffle cooperated with a stilling basin has been investigated by systematic model tests. based on the research results, the hydraulic problems such as the characteristics of hydrodynamic pressure and cavitation on the head of the denotid baffle, the properties of flow under the condition that the device of denotid baffle is used with a stilling basin, the hydraulic computation about a stilling basin, the estimation of energy dissipation and its various affection factors, the mechanism and effect of energy dissipation, and distributions of velocity and pressure and aerating concentration, etc, have been analyzed ; the method and step of hydraulic design of device of denotid baffle by which the additional flow is produced has also been proposed
文中利用齒墩設施實現附加射流,對齒墩設施與消力池聯合應用進行了大量的和系統的模型試驗,分析研究了中低佛勞德數條件下,齒墩墩頭的動水壓強及空化特性,齒墩設施與消力池聯合應用時的流態特性,消力池的水力計算,消能量的估算及其各種影響因素,消能機理和效果,消力池內的流速、壓強特性,摻氣濃度分佈等水力學問題,並提出了實現附加射流齒墩設施的水力設計方法和步驟。Air velocity indicator
空氣速度指示器And experimental study on the heat transfer performance and pressure drop characteristic of the process of bubbling evaporative cooling are carried. as there are so little attention and studies on the process bubbling evaporative cooling about heat transfer in the world at present, this paper mainly deals with the effects of the different bare tower velocity, weir height, heat flux density and plate perforation geometries on the heat transfer coefficient and the pressure drop of the process of air flowing
由於目前國內外對鼓泡蒸發冷卻過程在換熱方面的關注和研究較少,本文對不同空塔速度、不同堰高、不同熱流密度、多孔板的不同幾何尺寸對換熱系數及空氣流動過程阻力的影響進行了實驗研究及理論分析,總結了本實驗條件下換熱及阻力的實驗關聯式。Rotary print, special vacuum design, vacuum fast speed double side plate setting high production efficiency
旋轉式曬版:特殊真空吸氣、速度快、雙面裝版、生產效效高。Their method exploits the fact that water vapour changes the speed at which radar waves travel though air
他們的方法是對水蒸汽改變雷達波穿過空氣速度的實際情況加以運用。Not satisfied by measuring ambient temperature with an obsolete system, ameri - cans invented the wind - chill factor, which combines degrees fahrenheit with air velocity to create a num - ber that ' s much more impressive
美國人不滿足於用過時的系統來衡量溫度,因此發明了風寒因素,即把華氏度與空氣速度結合在一起,所得數字給人的印象要深刻得多。Through having done field surveys in the campus of chongqing university, this paper tested classroom indoor and outdoor climate parameters in june, july and september of 2005, it used questionnaire to acquire subjects ’ thermal sense, draft sense and humidity sense in classroom each month, and programmed composition to compute predicted mean vote and compared pmv with the field testing results of mean thermal sensation vote. it is discovered that pmv is overvalued the college student ’ thermal sensation in chongqing. it finds that people in chongqing adapt to the typical summer hot and winter cold sweltering weather
對重慶地區高校教室的現場調查,測試了重慶大學2005年六月、七月和九月教室室內外熱環境參數,通過採用問卷主要掌握了受測對象教室里的冷熱感、氣流感和潮濕感,通過編製程序求得預測平均熱感覺評價pmv的值,比較pmv和問卷調查得到的平均熱感覺mtsv ,發現pmv預測值高估了重慶地區高校學生的熱感覺,這里的人群對重慶這種夏熱冬冷地區比較典型的悶熱氣候具有一定的熱適應性,對現場問卷調查的結果進行分析,得出了室內空氣溫度、氣流速度、相對濕度與人體主觀感覺之間的回歸曲線,發現重慶地區高校學生熱中性時的空氣溫度為25 . 5 , fanger根據歐美人群調查得到的公式計算出的預測熱感覺為中性時的空氣溫度為25 . 0 ,兩者相差0 . 5 。The relation between thermal environment parameters for instance air temperature, relative humidity, air velocity and thermal sensation or thermal comfort has been studied in all environments. the differences of thermal sensation or thermal comfort in this environments and pmv - ppd are researched too
並分析了在實際空調環境下、自然通風環境下和實驗空調環境下空氣溫度、濕度、空氣流速、環境輻射溫度等參數對人體熱感覺和人體熱舒適的影響;並將人體熱感覺和人體熱舒適與pmv - ppd指標進行了比較分析。Vacuum technology. vapour vacuum pumps. measurement of the volume rate of flow pumping speed
真空技術.蒸氣真空泵.體積流量泵的抽氣速度的測定These equipments are vacuum system which is made up of diffusion pump, pipes, water - cooling baffle and rotary vane pump ; the whole chamber, wall and water - cooling wall are made of stainless steel ; the lower part is equipped with cool water sleeve which can fast take out air to gain 10 - 4 or higher vacuum, therefore they are widely used in high - tech fields, such as the platting, electronic, metallurgy, chemical engineering, atomic energy, materials and medicine etc
Kt系列擴散泵機組是由凸腔擴散泵管道水冷擋板機械泵等組成的高真空系統,整個泵腔泵壁及水冷壁全部由不銹鋼作成,下部配有降溫用急冷水套,抽氣速度快,極限真空高,它可使被抽容器獲得10 - 4或更高的高真空,因此廣泛適用於鍍膜裝飾電子冶金化工原子能材料醫藥等等各種高新技術領域。The pressure drop of airflow consisting of pressure drop of the perforated plate and liquid - layer is mainly influenced by the plate dimension and bare tower velocity, with the increasing of bare tower velocity, pressure drop of the perforated plate increases. the experimental data are used to develop a correlation as follows : pd 1. 04 10 8 ( wa / s ) 2g this correlation should be used when 5 , 0. 299m / s u 1. 056m / s. and the pressure drop of liquid - layer is mainly influenced by weir height
空氣流動的阻力主要由孔板阻力和液層阻力組成,孔板阻力主要受多孔板的幾何尺寸及空塔速度的影響,空塔速度越大,孔板阻力越大,對實驗數據進行回歸分析得出的實驗關聯式為: pd 1 . 04 10 8 ( wa / s ) 2g公式適用范圍: 5 , 0 . 299m / s u 1 . 056m / s 。Increased radiation from the sun and occurrence of geomagnetic storms i. e. severe distortion of geomagnetic field of the earth may cause disturbances such as increases in density in the earth s upper atmosphere. these result in a greater drag on the movement of satellites and spacecraft, causing a slow - down or even a change in orbit
輻射的增加及地磁暴即地球磁場急速變形的出現,會導致地球上層大氣的擾動,例如空氣密度的上升,從而使衛星和太空船在航行時受到的阻力大增,航行速度因而減慢,甚至軌道亦會改變。Increased radiation from the sun and occurrence of geomagnetic storms ( i. e. severe distortion of geomagnetic field of the earth ) may cause disturbances such as increases in density in the earth s upper atmosphere. these result in a greater drag on the movement of satellites and spacecraft, causing a slow - down or even a change in orbit
輻射的增加及地磁暴(即地球磁場急速變形)的出現,會導致地球上層大氣的擾動,例如空氣密度的上升,從而使衛星和太空船在航行時受到的阻力大增,航行速度因而減慢,甚至軌道亦會改變。The study works and conclusion of the dissertation is followed as : the discharge voltage of short rod - plane air gaps and short insulator strings will also decrease with the altitude increasing or atmospheric pressure decreasing, but the decreasing trend is relative to the scale of altitude, the decreasing speed of discharge voltage is slower in the high altitude region
論文的研究工作和成果主要有: 「棒板」典型間隙和絕緣子短串的放電電壓均隨海拔的升高而降低,且其降低的趨勢與海拔高度的范圍有關,海拔越高降低的速度越緩慢。氣壓的變化反映了海拔高度的變化及其相應海拔下空氣溫度、濕度和相對密度的變化。Photosynthesis and transpiration have no obvious difference between different age s. viciifolia, but they have consanguineous physiological responses to environmental factors such as photon flux density, air temperature and the content of soil water. compared with caraganar, s. viciifolia formed the physiological mechanics of less photosynthetic rate and less tranpiration rate to resist drought
狼牙刺的凈光合速率同光合有效輻射、大氣溫度和二氧化碳濃度之間沒有顯著相關性,與土壤含水量顯著正相關;蒸騰作用與光合有效輻射、土壤含水量及空氣溫度有很好的正相關性,與大氣濕度有負相關性。Based on the balloon s elevation, azimuth and rate of ascent, winds at different heights above ground were calculated
從氣球的仰角及方位,和氣球升空的速度,可計算出不同高度的風向和風速。分享友人