熱質流量計 的英文怎麼說
中文拼音 [rèzhíliúliángjì]
熱質流量計
英文
thermal mass flowmeter- 質 : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
- 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
- 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...
- 流量 : rate of flow; flow; runoff; discharge; throughput; (flow) rate; quantity (of flow); flux
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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。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 key items influent on the characteristics of spraying have been also studied in the dissertation, we can get a good spraying result by adjusting the related parameters efficiently. ( 3 ) the theoretical model of the dynamical parameters such as temperature, moisture, pressure and contour for hot medium and particle inside the drying chamber were obtained by model, utilized the computational fluid dynamics technique to solve the problem between spraying droplets medium by arranging the double grid dispersing structure and rotary outlet structure and the developed structure improved the drying efficiency and product quality
( 3 )採用-模型實現了壓力噴霧乾燥塔的溫度場、濕度場、流場的理論建模,利用計算流體力學( cfd )技術來解決噴霧乾燥過程中熱介質與霧滴間的傳熱傳質以及動量傳遞和湍流擾動等問題,避免了乾燥過程中的設計不合理狀況;通過增加雙格柵均風裝置和旋轉出風裝置,改善了乾燥塔內的熱質傳遞,提高了乾燥塔的體積蒸發強度。The calculated results show that, for low energy protons ( energy less than several decade mev ), the contribution of proton nuclear reaction to energy deposition can be neglected ; while for high energy protons ( energy greater than several hundred mev ), the great difference appears for the above two cases. this gives us an indication that the contribution of proton nuclear reaction to the energy deposition must be concerned for high - energy protons. the propagation process in material of thermal shock wave induced by high - energy intense - current pulsed proton beam irradiation is calculated for several different proton energies
對于入射能注量為418 ( j cm ~ 2 )脈沖寬度為0 . 1 s的矩形脈沖強流質子束,計算結果表明,由於質子束能量不同,引起的初始熱激波( 0 . 1 s時刻的熱激波)有單峰結構,也有雙峰結構,不同能量的強流質子束引起的熱激波在傳播的過程中都會出現明顯的彈性前驅波。In this research, through the test in geometric parameter and resistance performance, and comparison between random and other stacked packing, pvc screw thread oblique corrugated plate have more advantage. combined with test and theoretic calculate, determined the heat and mass transfer coefficient, obtained the influence relationship between inlet air flow rate, temperature and humidity, inlet liquid desiccate flow rate, temperature and concentration with outlet air humidity in dehumidifier, provided consideration for equipment design and production
通過對除濕塔的現場測試並結合理論計算,確定其熱質交換系數,並分析得出採用pvc螺紋斜波紋板填料的一定結構的除濕塔,處理空氣的風量、入口溫度和含濕量及除濕溶液流量、入口溫度和濃度對空氣出口含濕量的影響關系,為除濕設備的設計和指導生產運行提供參考。As the dangerous position needed to be verified has been identified with the known heat flux profile and the characteristics of flow rate distribution, the metal tube temperature of the position can be obtained
此方法克服了目前常用的電廠鍋爐壁溫計算方法中校核點工質流量與熱負荷並不一定互相對應的缺點。The working parameters ( specific enthalpy, entropy, flux of working fluid, reynolds number, etc. ), the configuration parameters of the main components, such as steam turbine - generator group, evaporator and ehd condenser and system efficiency were calculated on the base of thermodynamics theory
文中以熱力學理論為基礎,計算了低溫余熱發電系統的運行參數(比焓、熵、工質流量、雷諾數、管路壓力等)和各主要組件如汽輪機-發電機組、蒸發器和ehd冷凝器的結構參數,並計算了系統的效率。For tianjin olympic center stadium project, parameters determination of a natural lake used as cooling pond and the layout plan of the lake were introduced, including the flow scheme of recirculating cooling water system, calculation of heat released from cooling pond, engineering arrangement for the lake, and the lake water treatment, etc
摘要結合天津奧林匹克中心體育場工程,介紹了利用天然湖作為冷卻池的參數確定及湖平面設計,具體包括冷卻循環水系統流程、冷卻池排熱量計算、冷卻湖的工程布置、湖水水質處理等。In this paper, we aim at establish heat and mass coupled transfer model in the building wall, the emphasis of this study lies in creating a coupled and non - linear diferential equation system for the heat air and moisture transfer in the wall, which can be described by means of continuum mechanics and irreversible thermodynamics, the most dominant factor is moisture conten 9la gas pressure pc and temperature t, for the description of heatair and moisture transport, the general mass balance equation can be expressed by the temporal change of moisture conten 9 l, gas pressure pc and temperature t that means, in order to create a closed solvable equation system, the other additional dependencies have to be found, which the other variable depending on the variables of the solution : moisture conten 6 l gas pressure pc and temperature to the model is verified by the numerical simulation software which has been developed about building wall.,
根據節能設計要求,本文用熱力學的方法,並根據多孔介質中多相流體流動描述方面的最新研究成果? ?體積平均方程,建立了墻體熱、濕和空氣耦合熱質傳遞模型,並推導出熱、濕和空氣耦合傳遞等效擴散方程;找到建築墻體熱、濕及空氣耦合作用下熱質傳遞過程的主要影響因素濕容量_ l 、氣壓p _ c和溫度t 。開發了單體材料墻體熱質傳遞數值模擬軟體,用實測數據對軟體進行調試並對模擬計算結果進行了驗證。模擬出了單材料墻體在熱、濕和空氣耦合作用下建築墻體內的溫度和濕度分佈規律。Because coriolis mass flowmeters have directly quclity discharge of measuring he flwid measure an accarate, degree high application wide, the rearinghave low request circulate cveaibility. maintain a rate low etc, character istics extensiuely applied cure the gold thermodgnamic energy electrie power food in the petroleum chemical engintring etc discharge of the flow measure
由於科氏質量流量計具有能夠直接測量流體的質量流量,測量準確度高,應用范圍廣,安裝要求低,儀表運行可靠,維修率低等優點,已廣泛應用於石油化工冶金熱力電力食品等領域的流量測量。The results show that while the mass flow of refrigerant is 1. 85g / s, the inlet temperature of refrigerant is 18. 9, the evaporating pressure is 0. 62mpa, the mass flow of water is 31. 1g / s, and the inlet temperature of water is 36. 9, the refrigerant of miniature evaporator wholly vaporizes in the tube, and the heat transfer rate is 342w. it achieved the demand of design
經過實驗測試,當製冷劑質量流量為1 . 85g / s ,製冷劑入口溫度為18 . 9 ,蒸發壓力為0 . 62mpa ,水的質量流量為31 . 1g / s ,水的入口溫度為36 . 9 ,此時,螺旋管蒸發器內製冷劑完全蒸發,換熱量342w ,達到了微型蒸發器的預期設計要求。First this paper introduces the development of microscale heat transfer from theory, experiment and computer simulation. then it analyses the heat transfer mechanism during short - pulse heating of metals and the microscale heat conduction in dielectric thin films. last it expatiates on the principle of ac calorimetric method and its experimental techniques
本論文首先從微尺度理論、實驗技術和計算機模擬三方面介紹了微尺度傳熱學研究現狀,接著分析了超短激光脈沖加熱金屬薄膜過程中的熱傳導和介質薄膜中的熱傳導機制,闡述了超短激光脈沖交流量熱法的原理和實驗技術。His pioneering work on the statistical behavior of individual thermal plumes led to the discovery that active and passive scalars share statistically similar features, which have been praised by his peers as " important to the field of turbulence in fluids " and " shed an original light on rayleigh - benard convection problem "
他在研究單個熱羽流的統計行為方面進行了開創性的工作,並發現主動標度量和被動標度量具有相似的統計性質。此成果被同行譽為對湍流領域的重要貢獻以及對瑞利-伯納德湍流對流做出了原創性的貢獻。Measurement of fluid flow in closed conduits - thermal mass flowmeters
封閉管道流體流量測量.熱質量流量計With the fdtd method to solve the maxwell equations, with the finite - volume method to solve the n - s equations and with the single temperature local thermal equilibrium to solve plasma, first time to adopt the method of all numerical simulation, the coupling flow field of microwave plasma within resonant cavity of mpt was analyzed. for tm011 model and tem model, the matching relation between various parameters and its influence on the coupling flow field of microwave plasma within resonant cavity of mpt was studied separately. the reasonable selection of miniaturization design parameters was pointed out in the numerical simulation to be used in mpt miniaturization, i. e. throat, gas flux and microwave power should be smaller suitable after miniaturization
採用fdtd法求解maxwell方程、有限體積法求解n - s方程、單溫度局域熱平衡模型求解等離子體參數,首次用全數值方法對mpt諧振腔進行了微波等離子體耦合流場的數值模擬,分別分析了tm _ ( 011 )和tem兩種模式各自的參數匹配關系及其對微波等離子體流場的影響;應用於小型化mpt時,指出了小型化設計參數的合理選取,即:小型化后的mpt ,喉徑小、工質流量小,消耗的微波功率也小。A special clamp for etching optical fiber and depositing pd film on the fiber is designed. designed a encapsulation set of the characteristics that is dampproof, shake and eroding resisted. the experimental set - up for hydrogen sensing includes the light source, gas cell, mass flow controller, stainless steel helical tubing and the detector, etc. the experimental results are also discussed
本文還設計了一套光纖腐蝕用夾具、光纖封裝加熱夾具和一套光纖濺射鍍膜實驗夾具;設計並製作了一套具有防潮、抗震和抗腐蝕功效的光纖傳感頭封裝裝置;設計了一套由激光器、反應混合氣室、光功率計、質子流量計和流量控制器等組成的氫氣定標實驗裝置並對實驗數據進行了分析與處理。The contents of this paper include : 1. thermal profile mass flow controller ( mfc ) and glass rotor flow meter was used in the measurement and control of flux. the mfc was used to measure and control the flux, and the rotor flow meter was for the use of flux detection
本文主要工作如下: ( 1 )使用熱分散式質量流量控制器和玻璃浮子流量計實現了mpt流量測量,質量流量控制器主要用於流量的測控,其精度為3 . 8 fs ,浮子流量計主要用於流量的監測,精度2 . 5 fs 。The features and application of the thermal mass flowmeter from fci company
公司的熱式質量流量計的特點及應用Thermal mass flowmeter
熱式質量流量計分享友人