流明計 的英文怎麼說
中文拼音 [liúmíngjì]
流明計
英文
lumen meter-
These meters find wide use in open channel measurement and are usually a type of weir or flume.
這些流量計在明渠測量中得到廣泛地應用,通常是以水槽或堰的形式出現。The valve seat shall be an elastomeric seal that will permit seating at low - head pressure, and an arrow shall be molded on the valve body for permanent visibility to indicate the intended direction of flow
閥座應該是彈性密封,它使得閥座處于較低的排出壓力下,箭頭應該永久性清晰可見地模鑄在閥體上,標明計劃的流向。The theoretical calculation and the experimental result indicated that, after temperature compensation, this kind of new hotwire air mass flowmeter still had high measuring accuracy when the environment temperature had wide range change
理論計算和試驗的結果表明,經環境溫度補償后,這種新型熱線式空氣質量流量計在大范圍環境溫度變化下仍具有較高的測量精度。The experiments have proved that the naturalgas flux metrology transfer standard has accomplished the preordain research aim
實驗證明:本文提出的天然氣流量計量傳遞標準達到了預定研究目的。Verification regulation of weirs and flumes for flow measurement
明渠堰槽流量計試行檢定規程Lumen method flux method
流明計演算法Lumen or flux method
流明計演算法As the key parameters in flow and heat calculations, density ( ) and enthalpy ( h ), there is still lack of a definite mathematical model for such parameters " computing method
但作為流量計算中的關鍵參數密度( )和熱量計算中的關鍵參數熱焓值( h )的計算方法,卻沒有一個明確的數學模型。Experiments on the gas flow patterns in the flowmeter prove that the algorithm used in arm digital gas mass flowmeter is capable of significantly improving the sensitivity of the heat sensor, hence superior in terms of the measurement of gas mass flow
並將此演算法應用於以arm處理器為核心的數字式氣體質量流量計中實驗證明,該方法能夠明顯改善熱式傳感器的動態響應速度,實現其快速補償。The verification of the algorithm is performed using a gauss - distributed concentration ball and a stock wave at steady flow in an open channel. the comparison with an analytical problem solution shows that the precision and the stability of quasi - consistence hexahedral element method is as good as that of consistence hexahedral element method, better than that of the linear interpolating function method
6 、比較分析了網格布置形式對圓管流動和臺階突擴流動計算結果的影響后表明,應在物理量梯度變化較大的區域適當加密網格,才能較好地模擬這些區域的流動特性以及壁面對整個流動的影響。The result shows that the water resources carrying capacity is much higher according to the amount of year - runoff than that according to the low flow. this indicates that the carrying capacity of low water resources is lower and the amount of water resources has hindered the development of society and economy in karst region in dry seasons
結果表明如果按年徑流總量計算水資源承載力則較大;而按枯季徑流量計算則較小,這說明喀斯特流域的枯水資源承載能力較低,枯水資源量已成為該地區阻礙社會、經濟發展的主要因素之一。Liquid flow measurement in open channels. rotating element current - meters
明渠中液體流量的測定.旋轉元件流速計Design flood analysis for open diversion channel closure of tgp
三峽工程明渠截流設計洪水分析In arbitrary curvilinear coordinates, the wall function is used for treating near wall regions. the influences of two different inlet gas parameter distributions and turbulent combustion models, as well as three different afterburners on turbulent combustion flow fields and wall temperature profiles are calculated. comparisons of experiment results and calculations results show that second - moment combustion model is reasonable for modeling turbulent reacting flows, inlet gas parameter distributions is more important. calculation method is reliable and can be used for the optimum design of afterburner
數值研究三種不同幾何形狀、兩種進口氣流參數分佈、兩種紊流燃燒模型等對加力室內各氣流參數、隔熱屏和加力室筒體壁面溫度分佈的影響,計算結果與試驗數據比較表明:不同幾何形狀加力室對加力室內紊流燃燒流場的影響要比進口氣流參數分佈大些,正確給定進口氣流參數分佈較為重要,二階矩紊流燃燒模型更適用摸擬三維紊流燃燒流動,計算方法合理,編制的計算程序可靠,可供加力燃燒室優化設計用。( 5 ) conclusion was obtained by the analyzing and studying the mechanics environment of the rock mass and the landslide on right bank : according to the analysis, the present direction of the maximal principle stress was consistent with the present tectonic stress field, the value of the principle stress increased or reduced in special place, and there was tensile stress region at the 2000m or above it on the left bank, the accumulate and adjustment was very limited in 200 years, the calculated result of the landslide indicated that the landslide on the right bank was stable under the various conditions
( 5 )壩址區河谷巖體力學環境及右岸古滑坡體的穩定問題分析得出:河谷巖體應力場的分析顯示,河谷巖體中主應力的方向基本上與現今區域構造應力場的方向一致,在一些特殊地帶巖體的主應力值有所降低或增高,特別是在左岸的2000m高程附近及以上,存在有明顯張應力區。在未來200年流變計算時步范圍內,河谷巖體應力的積累與調整較為有限。同時對滑坡體各種工況條件下的穩定性計算結果表明,右岸古滑坡體在各種工況條件下是處于穩定狀態的。The open - channel flow - measuring system described in this paper is used for the measurement of the waste discharge in the city or from the factories
本文所描述的明渠流量測量系統是用於對屬于明渠流動范疇的城市和工礦企業的污水排放進行流量計量的。Development of communications software for ultrasonic open - channel flowmeter monitor system
超聲波明渠流量計監控系統通信軟體的開發Development of communication software for lmc ultrasonic open - channel flowmeter monitor system
型超聲波明渠流量計監控系統通信軟體的開發In order to measure water usage in the plain irrigation region, economic and flexible flow measure method should be chosen at the prerequisite of making good use of exiting water works. considering the reality that the irrigation devices are usually various and the exiting open - channel flow meters are costly and inflexible, the chosen field unit should be general and worth
考慮到平原灌區中的灌溉形式和量水設施的多樣化,現有的明渠流量計通用性、靈活性差,所選擇的現場單元應具備通用、測控一體、性價比高的特點,既實現不同測流方案的流量計算,又達到控制水量的目的。Hydrometric determination - liquid flow in open channels and partly filled pipes - guidelines for the application of doppler - based flow measurements
流體比重測定.明渠和部分填充管里的液體流.基於多普勒的流量計的應用導則分享友人