氣體參數 的英文怎麼說
中文拼音 [qìtǐshēnshǔ]
氣體參數
英文
gas parameter-
The best optimum mathematical model is constituted. scalar factor of structural parameter on loop rectangular negative pressure and adsorption slide is calculated. structural parameter, air gas source pressure carrying capacity and thickness of air cell are made sure by hydrodynamics and the theory of gas lubrication
詳細論述了導軌副的設計過程,運用數學上的拉格朗日條件極值求解法,建立最優化數學模型,求出環矩形負壓吸附導軌的結構參數的比例情況,並運用流體力學和氣體潤滑理論確定了環矩形負壓吸附導軌的結構參數、氣源氣壓、承載能力和氣膜厚度的確定性結論。This paper deriving the theory work inflection point in the static stage characteristics curve of small measurement range linear dimension measurement. by the way of high pressure and back pressure pneumatic measure and designed the parameter of the mainly and measure spray head, which are the key component in the spray head - baffle pneumatic sensor. the different groups for the main - spray head and the measure spray head, will effect the dynamic and static stage characteristic parameter. the author have done contrast experiment and optimization design to test and verify the theory derivation whereby made the rang of show valve of pneumatic measure system measure range up to 40 u m, the sensitivity up to 100mv / u m, resolution up to 0. 05 p m, the uncertainly of measure is less than 0. o2 u m, satisfaction of requirement of groups the carboy hatch thickness size precise measure of soft shims
對高壓背壓式氣動測量用於小量程線性尺寸測量的靜態特性曲線的理論工作拐點進行了推導,對氣動測量系統中的噴嘴-擋板型氣動傳感器中的關鍵部件? ?主噴嘴和測量噴嘴的參數進行了理論設計,對主噴嘴和測量噴嘴的不同組合,將影響測量系統靜、動態特性指標的噴嘴參數進行了對比實驗和優化設計,並通過實驗驗證了理論推導,從而使氣動測量系統量程的示值范圍達到40 m ,靈敏度達到100mv m ,解析度達到0 . 05 m ,測量不確定度小於0 . 2 m ,滿足了壓縮機缸蓋軟體墊片厚度尺寸精密測量分組的要求。Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping
本文的主要內容如下: 1 )對翅片管蒸發器結構特點進行分析,選取適當的微元控制體,就干、濕和霜工況下對每個微元分別進行傳熱傳質分析,基於經驗關系式確定霜的有關參數,對于霜工況下的霜生長建立模型,經適當假設,運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型,為系統模擬奠定基礎; 2 )對蒸發在大擾動下的開、停機過程,運用動態集中參數模型進行分析和計算,為更好地描述製冷系統運行的全過程奠定基礎,同時也為製冷系統實現自動控制提供一定的理論基礎; 3 )對蒸發器正常運行過程,運用動態分佈參數和參數間定量耦合的觀點來分析和計算,為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性; 4 )編寫翅片管蒸發器動態特性模擬計算程序,可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場,實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。Experimental results show that the bistable of tuned substrate self - bias was determined by discharge gas pressure, discharge power and tuning circuit parameters etc. the bistable exists is because of there is capacitive coupling in icp system and sheath capacitance is nonlinear
實驗結果表明這種跳變回滯現象與等離子體的放電氣壓、射頻功率以及調諧外電路的參數等多種因素密切相聯系。而產生跳變回滯現象的原因是icp中存在容性耦合以及鞘層電容具有非線性特性。Measurement of air moisture. hydrometric parameters
空氣中水含量的測量.液體密度測定參數Using jgp560c magnetron sputtering equipment, cu / ag film are deposited on cd1 - xznxte substrate by dc magnetron sputtering in order to get the influences of the main experiments parameters such as sputtering power, gas flow, vacuum air pressure, magnetoelectricity power and substrate temperature on deposition rate of film, discovered that dc sputtering power is the most key factor influencing the deposition rate
在jgp560c型超高真空多功能磁控濺射鍍膜機上,採用直流磁控濺射法在cdznte晶體上制備出cu ag合金薄膜,揭示了氣體流量、直流濺射功率、勵磁電源功率、工作氣壓和襯底溫度等工藝參數對沉積速率的影響規律。結果表明濺射功率對沉積速率的影響最大,隨濺射功率的增大沉積速率快速增大。Ultrasonic has being attracted much attention gradually in fuel atomization because of some specialities of cavitation and infection on liquid flow. in the course of atomization of pitchy oil, especially, does it show greatly its advantage, but its material atomizational mechanism need research ulteriorly. the primary content of this thesis is about adding cantilever reed to effervescent atomizer so as to combine ultrasonic and effervescent. this thesis has discussed ultrasonic some mechanism, ultrasonic dynamical procreator, effervescent and liquid mucosity infection on atomization, at the some time we make some experiments and discuss atomization rule following some machinery parameter and run parameter so as to find some rule about ultrasonic atomization and to rich the research of ultrasonic atomization mechanism. all that will be beneficial to the design about ultrasonic atomization atomizer
超聲波由於其空化機理及對液體的流變性影響等特性,在燃油霧化燃燒中逐步引起人們的重視,尤其在重渣油等高粘度液體的霧化過程中逐步顯示出其優越性,但其具體的霧化機理還需要做進一步的研究在氣泡霧化噴嘴基礎加入懸臂式簧片哨,將超聲波與氣泡霧化相結合是本文討論的主要內容本文從研究超聲波的一些機理入手,討論了超聲動力發生器氣泡霧化以及液體粘度對霧化質量的影響,並通過具體的實驗,根據實驗數據來討論霧化質量隨各種結構參數運行參數的變化規律,以便找到超聲霧化的一些規律,豐富對超聲霧化機理的研究,對超聲霧化噴嘴的設計具有一定的指導意義。The floating potential, electron temperature, ion density and flux density are all varied with the system parameters. the identical parameters we measured in our system is as follows, the electron temperature is from 1 to 4ev, ion density is among the magnitudes of i09 - io
文中重點研究了ecr等離子體的特性,並對我們的系統進行了langmuir探針和faraday筒測試,研究了等離子體參數隨氣壓、微波功率、偏壓、氣體種類等的變化。Through the analysis and studying of this subject, we can make conclusion as followed : during the whole heating season, the change law of the energy consumption of the thermal bridge is with the change law of the meteorological condition inside and outside the room : when airs temperatures indoor is steady, thermal bridge energy consumption increases with reducing of air temperature outside the room, reduce oppositely. the different position and the different structure patterns of the thermal bridges, even under the same meteorological condition inside and outside of the room, energy consumption of the building is different, and impact on heating energy consumption is different, this is mainly caused by the difference of the constructs thermal bridge and different influence in term of out wall, which lead to total mean heat - transfer coefficient different, when the heat - transfer coefficient is relatively small of outer wall, the impact of wall body is more obvious on heat - transfer coefficient of the thermal bridge
然後確立了在節能建築中熱橋耗熱量與室內外氣象參數和熱橋構造型式的關系,分析與研究並得出:在整個採暖季節中,熱橋的能耗隨著室內外氣象條件的變化規律是:在室內空氣溫度一定時,熱橋能耗隨著室外空氣溫度的降低而增大,相反減小;不同部位的熱橋,其構造型式不同,即使在相同的室內外氣象條件下,產生的能耗也是不同的,並且對採暖能耗的影響也不同,這主要是由於不同構造的熱橋對外墻的總平均傳熱系數的影響不同所造成的,並且當外墻主體的傳熱系數較小時,熱橋對墻體的傳熱系數的影響更加明顯。This paper mainly study on the technics of preparing nano - si3n4 and icpecvd. seeking for the proper parameter and technics, crystallization of nano - si3n4 powder with muffle furnace, probe the new effective way of improving the properties of nano - si3n4 powder the ion density in the reaction chamber was diagnosed by a langmuir probe. the rules were obtained under different air pressure, different radio frequency power and different position which the ion density changes about from 1010cm - 3 to 1010cm - 3 decreasing as the pressure increases and increasing as the power decreases
利用朗繆爾探針診斷了反應室內等離子體參數,得到不同位置、不同功率和不同氣壓下等離子體密度的變化規律,結果表明離子密度為10 ~ 8 10 ~ ( 10 ) cm ~ ( - 3 ) ,等離子體密度隨著功率的增大而增大,隨著氣壓的升高而減小,由於離子鞘層的存在,在一定條件下提供了局部等離子體密度穩定的區域。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。So the thesis focuses the traditional dwelling named " shoujinliao1 in quanzhou, choose living examples to determine the climatic parameter, detailed analysis the circumstances and experience of ventilation, sunshade and heat insulation in " shoujinliao " dwelling, aim at the hot - damp climate of quanzhou, then describe a dwelling designed by writer, which fuse experiences above and practice together. at last, it discusses sustainable and development of the climatic design concepts found in shoujinliao dwelling. the paper has two basis investigations : 1
本課題基於以上出發點選取泉州傳統民居手巾寮為研究對象,針對有代表性的實例進行現場的氣候參數測量分析,結合泉州熱濕的地域氣候特點,詳細討論了手巾寮民居中自然通風、遮陽、隔熱,綠化、水體等結合氣候環境布局建造的經驗,並將經驗模式同目前使用進行適當整合,落實于筆者的一項泉州民宅設計中,最後結合建築實例具體探討了手巾寮適應氣候的創作方法及理念在當代建築設計中的延續與發展。Given the thermal physical parameters of the envelops and the weather data, the above two parameters are determined by the following system design parameters : radiant panel dimension, radiant panel location and radiant panel layout style ( center or peripheral ). based on the thermal net model, digital analysis of the energy consumption and thermal environment are carried out to the several representative spaces under different design parameters, through which the relations of the heating load to the design parameters are obtained and can be a reference in the practical system design
對于給定圍護結構熱物性參數和室外氣候參數的條件下,室內平均輻射溫度和室內空氣溫度的大小取決于系統的設計參數:輻射板的布置方式(周邊布置和中心布置) 、輻射板尺寸和輻射板鋪設位置。基於熱網模型,利用matlab軟體編程對採暖空間在不同設計參數下室內的熱環境和能耗進行數值分析,得出了低溫熱水地板輻射採暖系統的性能和能耗指標隨這些參數變化的規律,從而為低溫熱水地板輻射採暖系統的優化設計提供了參考。1. based on the meteorological parameters of test reference year ( try ) in xi ' an, the dynamic simulation program calculates the hourly cooling loads of an office building between april and september
採用動態負荷模擬軟體計算了西安地區某辦公樓參考年4 9月份的逐時冷負荷,其計算結果成為氣象參數和冷負荷預測研究的基本數據。In the paper the driver and passenger ' s finite element airbag model and multi - body mini - van cab model were established, and law of the injury parameters of occupants due to the airbag main parameters variation were obtained. the model was validated against the test results and optimized with the permutation and combination of the airbag main parameters 3
論文中建立了駕駛員側和乘員側安全氣囊有限元模型和微型車駕駛室多剛體模型,通過調整安全氣囊主要控制參數得出了乘員損傷參數的變化規律,利用窮舉法對所選安全氣囊參數進行了最優化,並通過試驗驗證了最優化模型的準確性; 3From the calculation for the system of refrigeration, the choice of equipment, to the calculation for the temperature field and velocity field, the emphases is building model for evaporator in static state and dynamic state, do calculation and analyse for the whole space with temperature field and velocity field
從製冷系統的負荷計算,設備的選型到溫度場和流速場的計算,其中重點是為蒸發器製冷劑側和空氣側參數建立穩態和動態數學模型,對整個冷庫的庫體空間進行溫度場和流速場的分析計算。The calculation determined the main point defect under different cd pressure and the reaction enthalpies and entropies and the equilibrium constants in ( cd, zn ) te according to the quasi - chemical equations written for cdte sublattice. also the recipe of two - zone annealing process for cd0
根據計算結果,確定了不同氣氛條件下cd _ ( 1 - x ) zn _ xte ( x = 0 . 05 )晶體中佔主要地位的點缺陷和相關偽化學反應式的反應焓、反應熵及平衡常數,給出了兩溫區本徵退火的具體參數。F - chart is a useful compute program for analysis and design of active and passive solar heating systems. in this article, the program had been improved to estimate the long - term average thermal and economic performance of active solar heating system. the program of f - chart was transformed from dos to windows
首先,對分析太陽能供熱系統長期性能的f - chart程序進行了分析和改進,並用vb和fortran混合語言編程,實現了分析程序的可視化,採用數據庫技術對大量的氣象參數進行管理,為用戶提供了一個方便的太陽能供熱系統分析軟體。The aerodynamic parameters, systematic design and structure analysis of tunnel are researched in this paper
本文對該脈沖風洞的氣動參數、總體設計和結構分析進行了研究。Fixing installation for gas measuring and sampling
氣體參數測量和采樣的固定位裝置分享友人