風壓風速計 的英文怎麼說
中文拼音 [fēngyāfēngsùjì]
風壓風速計
英文
anemoboigraph- 風 : Ⅰ名詞1 (空氣流動) wind 2 (風氣; 風俗) practice; atmosphere; custom 3 (景象) scene; view 4 ...
- 壓 : 壓構詞成分。
- 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...
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 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 maximum sustained winds and minimum sea - level pressure near the centre of conson were estimated to be 130 kmh and 965 hpa respectively
康森的最高持續風速及最低中心氣壓估計分別約為每小時130公里及965百帕斯卡。Using the system designed in this thesis work, flow field calibration of the wind tunnel is accomplished, which covers dynamic pressure drop coefficient, dynamic pressure time stability, axial static pressure gradient, boundary layer, and degree of turbulence, etc. boundary layer measuring principle and method are especially described in detail, the relationship between boundary layer thickness, wind speed setting, and the depth of the experimental section is summarized, and finally the calibration data for th e model center zone under specific wind speed are given
然後利用本文設計的系統完成了落差系數、動壓時間穩定姓、軸向靜壓梯度、邊界層及湍流度等內容的流場校測。特別對邊界層測量的原理及方法做了較詳盡的敘述,總結出邊界層厚度與設定風速、實驗段深度的關系,然後給出模型中心區一定風速下校正數值。Information on the nearest approach together with an estimate of the minimum central pressure of each tropical cyclone during its closest approach, the maximum winds at king s park and chek lap kok and waglan island, the minimum mean sea - level pressure recorded at the hong kong observatory and the maximum storm surge ( the excess of the actual water level over that predicted in the tide tables ) recorded at various tide stations in hong kong are included
資料包括熱帶氣旋最接近香港時的位置及時間和當時估計熱帶氣旋中心附近的最低氣壓、京士柏及赤?角及橫瀾島錄得的最高風速、香港天文臺錄得的最低平均海平面氣壓以及香港各潮汐測量站錄得的最大風暴潮(即實際水位高出潮汐表中預計的部分) 。Information on the nearest approach together with an estimate of the minimum central pressure of each tropical cyclone during its closest approach, the maximum winds at king s park and waglan island, the minimum mean sea - level pressure recorded at the hong kong observatory and the maximum storm surge the excess, in metres, of the actual water level over that predicted in the tide tables recorded at various tide stations in hong kong are included
資料包括熱帶氣旋最接近香港時的位置及時間和當時估計熱帶氣旋中心附近的最低氣壓京士柏及橫瀾島錄得的最高風速香港天文臺錄得的最低平均海平面氣壓以及香港各潮汐測量站錄得的最大風暴潮即實際水位高出潮汐表中預計的部分,單位為米。Several feasible boundary conditions of thermal environment computations are provided. numerical simulation of thermal environment in that residential district is carried out depending on theoretical studies, wind environment simulations and thermal environment testing mentioned above. distributions of wind velocity, pressure, turbulence and temperature in two different periods are investigated and analyzed, and feasibility of thermal environment numerical simulation is proved by comparison of temperature and velocity values between testing and simulation in some tested spots
提出幾種可行的熱計算邊界條件,在上述基礎理論研究、風環境模擬計算、熱環境測試等基礎之上對住宅小區熱環境進行了數值模擬,分析了兩種時段內風場、壓力場、湍流場及熱場分佈,並比較了部分地點溫度和風速測試值與計算結果的差異,論證了熱環境數值模擬的可行性。The most intense tropical cyclone in 2004 was chaba ( 0416 ). chaba had a maximum wind speed of about 220 kmh and a minimum sea - level pressure about 910 hpa
二零零四年風力最強的熱帶氣旋是暹芭( 0416 ) ,最高風速估計約為每小時220公里,而最低中心氣壓則約為910百帕斯卡。Measurement of pressure, temperature and humidity operated in much the same principle as the older version of radiosonde, but computation of wind was made use of the vlf ( very low frequency in the range of 10 - 13 khz ) signals of a world - wide navigational network, omega
該系統量度高空氣壓、氣溫及濕度的方法與舊式無線電探空儀大致相同,但在測風方面則採用了一種新的概念,利用世界性奧米茄導航站網的甚低頻信號( 10 - 13khz )來計算出高空風向和風速,無需用雷達追蹤探空儀位置。Using the program two and three - dimensional numerical simulation of wind flow around single or multiple buildings can be achieved and the detailed flow condition including wind velocities, pressures and time - average characteristics of turbulence can be obtained. in order to attain the required accuracy efficiently multi - layer local refinements can be carried out based on the initial division grid
程序採用fortran語言編制,可實現二維和三維單體及群體建築的繞流風場的模擬計算,獲得建築繞流風速、表面風壓及湍流平均特性等數據;可通過對初始網格實施多層次的網格局部加密,以使風場解達到最終的精度要求。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。The most intense tropical cyclone in 2002 was fengseng ( 0209 ). fengseng had a maximum wind speed of about 205 kmh and a minimum sea - level pressure about 925 hpa
二零零二年風力最強的熱帶氣旋是風神( 0209 ) ,最高風速估計約為每小時205公里,而最低中心氣壓則約為925百帕斯卡。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。Finally to accomplish the development of air speed measure components being based upon above discussion, the paper chose rationally hardware equipments, such as the tiny pressure difference sensor, the data collection system, the industrial control computer etc, solved the communication interface problems of the hardware platform, compiled the system software of the air speed on - line monitor, and raveled out a series of technical problems about the signal real time conversion, transfer, modify, calculate, display and so on
在此基礎上,對微差壓變送器、數據採集系統、計算機等硬體設備進行了合理選型,解決了硬體平臺的通訊介面問題。編制風速監測系統軟體,解決信號實時轉換、傳遞、修正、計算、顯示等監測系統二次部分開發的一系列技術問題。This software are compiled in vc + + computer language. the main function of the application is to calculate the load limitation of an air - cooling steam turbine - generator set under distinct flux of cooling water, environmental temperature and environmental wind speed, and the back pressure safeguard curve of the target steam turbine are considered
應用軟體以vc + +為開發平臺,考慮了特定汽輪機組的背壓保護曲線,通過計算空冷系統的熱力特性,實時給出當前環境溫度和環境風速以及循環水流量下機組的上限負荷,從而指導機組的運行。The factors, especially the interval, that affect the statistic mean wind velocity are expatiated. then the effects on the power spectrum of pulsating wind pressure as well as on the dynamic response of the structure under wind loads are analyzed by means of monte carlo method when the square item of pulsating wind velocity is ignored
在分析了平均時距對統計平均風速影響的基礎上,進而以結構的可靠度為指標利用montecarlo方法分析了當平均時距比較大時,脈動風速平方項對脈動風壓功率譜的影響。The information is generated by the observatory s high - speed computer using physical models and mathematical equations to simulate the evolution of weather systems. the computer simulations are presented as maps showing the surface temperature, surface wind speed and wind direction, mean sea level pressure and the state of the sky at various locations
這些預測資料是利用天文臺高速電腦根據物理定律及數學方法計算出來的,以天氣圖顯示,內容包括地面溫度、地面風向及風速、平均海平面氣壓及天氣的大致情況。Blower performance testing is the course of changing working states, measuring testing datas, calculating performance parameters and plotting performance curves which processed under the certain rotate speed. it is important to inspecting finished production and designing new production
風機性能試驗是在風機轉速不變的情況下,改變風機運行工況、測量試驗數據、計算風機性能參數並繪制性能曲線(流量?全壓曲線、流量?功率曲線、流量?效率曲線)的過程。Aerodrome observations including wind, air temperature, atmospheric pressure, visibility, cloud, and expected significant weather in the approach and departure corridors are also included in the automatic terminal information service broadcasts for aircraft preparing for landing at or taking off from the hkia
機場氣象觀測資料,包括風向風速、氣溫、大氣壓力、能見度、雲量雲高資料及預計會影響飛機升降區的重要天氣,亦經由自動航站情報服務廣播發送予預備離開或降落香港國際機場的航機。The most intense tropical cyclone in 2005 was nabi 0514. nabi had a maximum wind speed of about 220 km h and a minimum sea - level pressure about 910 hpa
二零零五年風力最強的熱帶氣旋是彩蝶0514 ,最高風速估計約為每小時220公里,而最低中心氣壓則約為910百帕斯卡。Using the program the wind fields around several buildings with different body shapes are analyzed. the final results of grid division and refinement are presented. the final wind velocities around the building and wind pressures on the building surface are obtained and also compared with those from the wind runnel test
採用計算程序對幾種不同體型建築物的流動風場進行了模擬計算,給出了計算區域的網格剖分和加密結果,獲得了離散后的流場的風速和風壓模擬結果,並與風洞試驗結果進行了比較。分享友人