空氣流量測量 的英文怎麼說
中文拼音 [kōngqìliúliángcèliáng]
空氣流量測量
英文
air flow measurement- 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...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 空氣 : 1 (大氣) air; atmosphere 2 (氣氛) atmosphere 3 (氣閘) air brake4 pneum ; pneumo ; pneumat ;...
- 流量 : rate of flow; flow; runoff; discharge; throughput; (flow) rate; quantity (of flow); flux
- 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
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Airflow volume, velocity, and uniformity tests
空氣流量、流速和均勻性測試。Methods of testing airflow measurement stations for rating
空氣流量測量站評定的試驗方法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。Contraposing the measurement principle of the traditional hotwire air mass flowmeter, the reason of the excursion of the result for flow measurement was analyzed and inferred when environment temperature changed ; the method for temperature compensation and the realization circuit was given ; and compared the theory output of the new type hotwire air mass flowmeter with its real output after temperature compensation
摘要針對傳統型熱線式空氣質量流量計的測量原理,分析和推導出當環境溫度變化時對流量測量結果產生偏移的原因;提出了一種環境溫度的補償方法和具體的實現電路;並對經環境溫度補償后的一種新型熱線式空氣質量流量計的理論輸出和實際輸出進行了計算與比較。The paper described the building process of model that can identify the shock - absorber parameter of landing gear and at the same times optimize performance of system. in this paper, there are also some debate, it include identifying parameter which can not be measured, such as the air polytropic exponent and the orifice discharge coefficient of shock - absorber
本文利用復合形優化演算法建立了起落架緩沖系統參數識別與系統優化模型,對緩沖器空氣壓縮多變指數和油孔流量系數等不可測參數的識別和著陸、滑跑載荷多目標優化問題進行了討論。In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively
本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討,取得以下主要成果:一、結合小灣工程導流洞改建,對高水頭( 252m ) 、大泄流量( 1400m ~ 3 s )條件下旋流式豎井中的水流運動特徵進行了比較全面的測量,包括空腔形態、徑向流速分佈及井壁壓強等;二、提出了豎井空腔段螺旋水流水力計算方法,其計算結果與實測值吻合良好;三、利用試驗與計算結果,對旋流式豎井的消能機理進行了探討,對豎井各部分的消能能力有了總體認識;四、對豎井下部消力井的合理井深進行了優化試驗研究,發現消力井合理深度為0 . 9d左右;五、通過試驗研究,歸納出豎井水流總摻氣量估算方法,為導流洞排氣方案的設計提供了參考依據;六、在高水頭、大流量條件下,豎井空腔段下部流速很高,盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓,但空化數依然較低,因此豎井的空化空蝕始終是工程界關注的重大問題。Ventilation for buildings - instrumentation requirements for air velocity measurements in ventilated spaces
建築物的通風.通風空間的空氣流速測量儀器的要求Insulating and sheathing materials of electric and optical cables - common test methods - part 4 - 1 : methods specific to polyethylene and polypropylene compounds - resistance to environmental stress cracking - measurement of the melt flow index - carbon black and or mineral filler content measurement in polyethylene by direct combustion - measurement of carbon black content by thermogravimetric analysis - assessment of carbon black dispersion in polyethylene using a microscope
電纜絕緣護套材料的通用試驗方法.第4部分:聚乙烯和聚丙烯專用方法.第1節:耐環境應力破裂性.在空氣中熱老化后的卷繞試驗.熔體流動指數測量.聚乙烯中炭黑和Using mass flux controller ( mfc ), gas regulation system achieved accurate mix of two kinds of gases, steel bottle gas ( some compressed gas ) and zero air ( pure air ). for the sake of data transmission between dynamic air regulator and other equipments in the monitoring air quality system, normal digital interface ( rs - 232c ) make correlative role of communication interface so that automatic survey could be achieved
本儀器採用國際先進的自動控制配氣原理,採用精密質量流量控制器( mfc )來控制鋼瓶氣(某種壓縮氣體)與零空氣(純凈無污染的空氣)的混合比來得到精確濃度的校準氣體,以便於對各種氣體監測儀進行高精度校準。A kind of measurement was developed to measure the air concentration of water and the result showed the possibility of entrained air existing near the wall of drop shaft. that is to say, the wall of drop shaft may be protected by entrained air from cavitation damage to some extent
本文設計了一種適用於近壁區水流摻氣濃度測量的方法,對空腔段水流摻氣濃度進行初步測量,發現井壁附近水流存在摻氣的可能,這對改善水流空化條件能起到積極作用。With the impact test of conditioner airport and anti - dust mesh settings on heat exchange gas flow, the paper illustrates that the improper design may reduce gas flow, influence the refrigerating capacity of the system, and increase energy consumption
摘要通過空調風口及防塵網設置對換熱氣流流量影響的測試,結果表明,若空調風口及防塵網設計不當,則可能造成氣流量減少,並影響系統製冷量,增大能量消耗。Air flow measurement
空氣流量測量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。Methods of testing refractory materials - investment casting shell mould systems - determination of permeability and standard air flow capacity at elevated temperatures - section 10. 2 : determination of permeability and standard air flow capacity at elevated temperatures
耐火材料試驗方法.熔模鑄造外殼鑄模系統.升溫時透氣性和標準空氣流量的測定This paper explored the micro pressure sensor that is used for the measurement of distributed pressure at the surface of smart - skin. firstly, established the surface pressure model according to the aerodynamic properties, defined the optical measurement system that based on intensity modulation principle, discussed the components of this system and theoretical analyzed its measurement theory in detail
首先,根據空氣流動的基本規律給出機翼表面壓力分布圖,通過對光學式微型壓力傳感器的理論分析,採用強度調製法測量飛機機翼表面的壓力並建立基於此方法的光學測量系統模型,得到了壓力與敏感膜片變形以及光電轉換輸出能量之間的關系。Measured hole mass flows and a constant static pressure mixing analysis, together with the measured losses, allowed the decomposition of the losses into three distinct entropy generation mechanisms : loss generation within the hole, loss generation due to the mixing of the coolant with the mainstream, and change in secondary loss generation in the " blade passage
論文還進行了葉片冷卻孔質量流的測量與常靜壓氣流混合分析,結合前述氣動力損失和冷卻空氣損耗的測量結果表明,端壁氣膜冷卻的綜合損失明顯地由三個部分組成:葉片冷卻孔內產生的損失;由於冷卻空氣與主流熱空氣的混合產生的損失;二次流的變化產生的損失。Air quality. ambient air. instruction handbook for the calibration of atmospheric polluant analyzers and samplers. sampling. measuring station and gas flow rates
空氣質量.環境空氣.大氣污染分析儀和樣品器校準的說明手冊.采樣測量站和氣流速Abstract : this article introduces the modifications of sulfur detection device using conbustion - volume method by converting single pipe to dual pipe structures, and discusses impacts on detecting accuracy of vacuum pumping flow and its deficiency
文摘:本文介紹了燃燒-容量法測硫裝置單管轉雙管的改造,討論了真空泵抽空氣流量對準確測定的影響及不足之處。Measurement of airborne noise from hydraulic fluid power systems and components - method of determining sound power levels from valves controlling flow and pressure
液壓動力系統和部件空氣噪音測量.第4部分:流量和壓力控制閥聲功率級測定方法Polymeric materials, cellular flexible. method of assessment of air flow value at constant pressure - drop
多孔柔軟聚合材料.在連續壓降下空氣流量值評估的測定分享友人