風壓表 的英文怎麼說
中文拼音 [fēngyābiǎo]
風壓表
英文
blast meter-
Three pressure regulating measures, namely the application of pressure regulating air chamber to balance the air pressure of burning section, increasing the air pressure of the working face, and filling the surface crannies, are very effective in preventing and extinguishing the fire
該技術包括利用調壓氣室平衡火區風壓、提高工作面風壓和堵塞地表裂隙3項調壓措施,其防滅火效果十分顯著。On the basis of that, numerical simulations have been carried out on full - scale cube model with three types of parapets. the caparison of with and without parapets shows that three types of parapets can significantly reduce high negative suction peaks on zones susceptible to wind pressure. formulas have been proposed about the height of those parapets
在此基礎上對方塊模型屋面分別設置3種女兒墻進行了數值模擬,與未設置女兒墻的模擬結果進行了比較分析,結果表明上述女兒墻都能較明顯地降低屋面風壓敏感區的負壓峰值,並給出了相應的女兒墻高度限值公式。U - tube draft gauge u
形管風壓表Numerical simulation of wind pressures on low - rise building with gable roof
低層雙坡屋面房屋表面風壓的數值模擬Digital temperature transmitter, digital level, explosion - proof electric contact manometer figures generally used manometers, vacuum table, table vacuum pressure, oxygen forms of electric contact manometer, explosion - proof electric contact manometer seismic contact ammonia electricity connections. contact monometers assisted magnetic, seismic, heat - resistance, acid and alkali resistance, chlorine, sulfur - resistant, stainless steel pressure gauge. divide manometer shenyang city, the total, precision manometer, out of the wind pressure gauge, film boxes pressure gauge, diaphragm pressure gauge
主要產品包括:數字壓力表,數字膜盒壓力表,數字溫度表,數字壓力變送器,數字溫度變送器,數字液位計,數字防爆電接點壓力表,一般用壓力表真空表壓力真空表氧氣表電接點壓力表防爆電接點壓力表耐震電接點氨用電接點磁助式電接點壓力表耐震耐高溫耐酸耐堿耐氯耐硫全不銹鋼壓力表隔膜壓力表沈陽市優質產品精密壓力表出風壓力表膜盒壓力表膜片壓力表全不銹鋼膜片壓力表鈦壓力表及出口全不銹鋼,充油全不銹鋼系列壓力表,壓差表,壓力變送器,各種軸向軸向帶邊法蘭連接等多種形式。By using ncep / ncar reanalysis data of height and wind, the inter - monthly lpac map, the climate lapc map, inter - annual anomaly map and mean variance map of monthly wind field of 850 and 500hpa and monthly height field of 850, 500, 150, 30hpa are calculated in a globe - belt area, which situates between 30 s and 75 n, from december 1957 to december 1997, according them we analysis the rule of the season transfer and anomaly of nh mean circulation. the results show that the climate map of lapc can describe the seasonal transfer process of large scale circulation better. the advance process of summer circulation establish is form south to north at the middle and lower level of the troposphere, that is reflected primly in the inter - monthly wind and pressure map of lapc ; at lower lever of stratosphere, the establish process is simulate to that of troposphere, and reflect of process of that the south asia high toward plateau ; at middle stratosphere the summer circulation establish begins at middle and high latitude initially, and then transmits to low latitude gradually, while the seasonal variability in mid - stratosphere is stronger than it in troposphere and low - stratosphere
利用ncep ncar再分析高度場和風場資料,計算了30 s 75 n球帶區域1957年12月至1997年12月逐月850 、 500hpa風場及850 、 500 、 150 、 30hpa高度場月際局地型相似系數圖、多年平均圖(即氣候lpac圖) 、年際異常圖及均方差圖,在此基礎上,分析了北半球平均環流季節轉換及其異常的規律。分析表明,氣候局地型相似系數圖較好地給出了大尺度環流季節轉換發生的過程:在對流層中、下部,風、壓場月際局地型相似系數圖清楚地反映了夏季型環流建立由南向北的推進過程;低平流層夏季型環流的建立與對流層接近,其中,南亞高壓上高原過程有明顯反映:中平流層,夏季型環流的建立明顯表現為從中、高緯度開始,逐步向低緯傳播的特徵,且變化較對流層和低平流層明顯。Fyd multi - channel wind pressure measure transmitter type spectrum table
Wideplus - fyd系列風壓多路測量櫃型譜表This paper takes jin ’ ao mansion and adjacent buildings as the study object. first we put the stated reduced scale model in the atmospheric boundary layer which the tunnel simulates, applied the dynamic pressure measure technology on the building ’ s surface to get the mean and fluctuating wind pressure coefficient, drew out the contour of pressure coefficient and analyzed its distributing law and characteristic
本文以金奧大廈及其鄰近建築作為研究對象,首先把一定縮尺比的模型置於風洞模擬的大氣邊界層環境中,運用建築表面動態測壓技術獲得金奧大廈表面的時均風壓系數和均方根風壓系數,繪制時均風壓系數和均方根等值雲圖並分析其分佈的規律和特點。Wind pressure on the construction surface. shearing force, bending moment and twisting moment come into being when wind acts on structures
當風作用於結構時,在建築物表面形成風壓,從而對建築物形成剪力、彎矩和扭矩。Based on the date of full - scale measurements, modeling wind tunnel tests and theoretical researches of the wind loads on low - rise buildings available, involved the date of the wind tunnel test and computational numerical simulation fulfilled in this paper, the effects of wind loads on low - rise buildings have been studied systematicaly and extensively. it reveled properly the principle of the changes of the surface mean pressures, local pressures, and fluctuating pressures with the building geometry, roof type and slope, wind direction, eave configuration, cladding system, and dominate openings
本文根據國內外有關低層房屋風荷載的全尺寸實測、模型風洞試驗及其理論方面的研究,包括本文進行的低層房屋屋面風壓分佈的風洞模型試驗和計算機數值模擬計算,對低層房屋的風荷載特性進行了系統而深入的研究,較好地揭示了低層房屋表面的平均風壓、局部風壓和壓力的波動隨房屋的幾何尺寸、屋面形式、屋面坡度、風向角、檐口構造、覆面材料和門窗開洞而變化的特點和規律。Based on the data of wind pressure gotten from the wind tunnel test on rigid model, the mean wind pressures and fluctuating wind pressures on the long - span combined structure are studied
根據杭州大劇院剛性模型風洞試驗的風壓數據,對大跨橢球面屋蓋和圓錐面幕墻表面平均風壓和脈動風壓進行了研究。The distribution of mean wind pressure is analyzed and compared with the distribution on similar structural surface. through summarizing the rules for wind direction affection on wind pressures distribution, the most dangerous wind directions are gotten
分析了平均風壓的分佈情況,並將其與相近結構表面的風壓分佈進行了比較;通過總結平均風壓隨風向角的變化規律,得出橢球面屋蓋和圓錐面幕墻最不利風向角。Wide plus ds series single - channel fyd multi - channel wind pressure measure transmitter
Ds系列單路fyd系列多路風壓測量變送器型譜表Wide plus fyd multi - channel wind pressure measure transmitter employ import high precision and stability chip, and adopts surface treatment technology of special aluminum alloy and stress isolated technology in the sensor transfer differential pressure signal into ma dc standard signal by precise temperature compensation and amplification treatment
Wideplus - fyd系列多路風壓測量變送器是選用進口高精度高穩定性晶元,並採用特殊鋁合金表面處理技術和傳感器應力隔離技術,經精密溫度補償及放大處理,將差壓信號轉換成420 ma dc標準信號。Wide plus ds series single - channel wind pressure measure transmitter employ import high precision and stability chip, and adopts surface treatment technology of special aluminum alloy and stress isolated technology in the sensor transfer differential pressure signal into ma dc standard signal by precise temperature compensation and amplification treatment
Wideplus - ds系列單路風壓測量變送器是選用進口高精度高穩定性晶元,並採用特殊鋁合金表面處理技術和傳感器應力隔離技術,經精密溫度補償及放大處理,將差壓信號轉換成420 ma dc標準信號。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。Based on wind tunnel tests, wind pressure distributions on cylindrical shells with different aspect ratios were measured simultaneously in wind tunnel with rigid models under different terrain types and attack angles
摘要基於剛性模型的風洞試驗,在不同風攻角及場地條件下,對考慮不同長跨比的柱面殼體表面風壓分佈進行了同步測量。In this paper i was in virtue of the fluent software, set up the geometrical model of jin ’ ao mansion and adjacent buildings, used non - equilibrium wall functions to deal with the problem which come from the near wall, used realizable k - turbulent model to simulate the steady flow around 3d high - rise buildings, we can get the distribution of mean wind pressure coefficient of the surface of jin ’ ao mansion and five aerodynamics components. they were compared with the data from the wind tunnel test, we found out the distance between the result of the wind tunnel test and numerical simulation in the acceptable range
本文以fluent軟體為平臺,建立金奧大廈及其周邊建築的計算幾何模型,近壁區採用非平衡壁面函數法處理,運用基於雷諾時均的realizablek -湍流模型進行高層建築三維定常風場數值模擬,獲得金奧大廈表面時均風壓系數分佈及基底五分量氣動力,並和風洞測壓試驗的結果及風壓系數積分計算的基底五分量氣動力相比較,發現兩者之間的差異在可接受的范圍之內。Designed a program which can use the mean pressure coefficient of jin ’ ao mansion to calculate mean wind load of the whole buildings and local floor. the integral result can apply into the practical design of construction, also can compare with the results of wind tunnel balance test to validate the veracity of this test
通過自編的程序對金奧大廈表面時均風壓系數進行積分計算獲得其整體和局部樓層的平均風荷載,積分計算的結果一方面可以方便地運用於實際的建築結構設計中,另一方面可以與風洞天平測力結果進行比較驗證動態測壓試驗的正確性。U - tube draft gaugeu
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