空氣熱力學 的英文怎麼說
中文拼音 [kōngqìrèlìxué]
空氣熱力學
英文
aerothermodynamics- 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...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 學 : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
- 空氣 : 1 (大氣) air; atmosphere 2 (氣氛) atmosphere 3 (氣閘) air brake4 pneum ; pneumo ; pneumat ;...
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( 2 ) the emission spectra of laser ablation metal copper plasma were measured. the detailed mechanism of plume emission of cu plasma was qualitatively explained using a simple model based on excitation of atom and ion in plume arising from inelastic collision between the elemental species and electron with high kinetic energy. under the local thermal equilibrium model, the electronic temperature of copper plasma was deduced to be in the 104 scale by its emission lines
( 2 ) cu等離子體光譜:在420 570nm波長范圍內觀測了激光燒蝕cu等離子體的光譜和各發射譜線在等離子體中的空間分佈;比較了激光能量對cu等離子體發射光譜、電子溫度的影響;用局部熱力學平衡( lte )近似,測得cu等離子體的電子溫度為104k數量級;在不同背景氣壓下,觀測了激光燒蝕cu等離子體光譜的空間分佈。Research on the aerodynamic interaction between the rotors and components of rotorcraft have been a very important aspect and a very challenging subject in rotorcraft aerodynamics
旋翼干擾空氣動力學問題一直是旋翼飛行器空氣動力學的研究熱點和難點之一。In the third chapter of this dissertation, based on the physical and chemical properties of hydrogen and the combustion characteristics of hydrogen, the quasi - dimension combustion calculation model of hydrogen ? fueled engine is set up through analyzing the characteristics of turbulence flame and chemical reaction kinetic of hydrogen ? air mixture. the model includes the dual ? area thermodynamics sub - model, quasi - dimensional turbulent entrainment combustion sub ? model, turbulence flame promulgating sub ? model, hydrogen - air mixture chemical kinetic sub - model and loss of heat transfer sub - model and so on
本文從氫燃料的物化特性和燃燒特徵著手,通過分析氫空氣混合氣燃燒的湍流火焰結構和燃燒化學反應動力學,基於雙區燃燒模型,建立了包括雙區熱力學、準維湍流卷吸燃燒、湍流火焰傳播速度、氫空氣混合氣燃燒化學反應動力學以及傳熱損失等模塊的燃燒模型,並給出了相應的計算方法。Based on the first and second laws of thermodynamics and energy level theory, analyses the primary energy ratio, exergy efficiency and energy level difference of the household gas driven air conditioner at different conditions, and compares them with some other commonly used modes
摘要運用熱力學第一定律、第二定律和能級分析理論,對戶式燃氣空調各種工況下的一次能源利用系數、 (火用)效率和能級差進行分析,並與幾種常用的方式進行對比。The results are compared with the data offered by asher. 3. the factors of compressibility of humid air are calculated by this new state equation
計算了本文提出的熱力學參數范圍內真實濕空氣的焓和熵; 5 .用eos法和活度系數法對濕空氣的汽液相平衡進行了計算。These deviations are not acceptable for typical calculations in hat. similar problems occur for caes plants. in order to meet the demands of engineering design, the humid air must be regarded as a kind of real gas and more accurate thermodynamic properties of the humid air are acquired at high temperature and high pressure
本文針對新型熱力循環中對高溫高壓濕空氣熱力學性質參數的需求,以濕空氣透平和壓縮空氣蓄能系統中的工質為研究對象,在維里狀態方程的框架下,運用對應態原理,提出一個適合計算高溫高壓濕空氣熱力學性質的對應態維里方程,並利用兩種方法對濕空氣的汽液相平衡進行計算。According to the parameter range of humid air used in humid air turbine and compressed air energy storage ( caes ) system, the applied range of thermodynamics properties of humid air is determined. 2. based on virial state equation and the corresponding - state principle, expand - corresponding - state principle is introduced to describe the virial coefficients of state equation
對應態理論是一個普適性理論,因此對應態維里方程具有一定的外推性,計算了本文提出濕空氣熱力學參數范圍內的壓縮因子; 4 .應用本文提出的對應態維里方程,計算了濕空氣的偏差焓和偏差熵。A new method is put forward on thermodynamics combustion model to make imitating research on egr - a software is made to calculate the amount of no from the gasoline by connecting with the practical condition in our country, starting with thermodynamics and experiment at the same time make a system research to influence by the exhaust gas returning system on the gasoline, such as exhaust gas, fuel economy, and power, finally a new thought is afforded for optimizing all the egr parameter in chapter 6
第五章採用上述診斷和預測模型對bj492q發動機進行了模擬計算和實驗研究,並探討了點火提前角、殘余廢氣系數、燃空比、壓縮比和火花塞位置對發動機性能的影響。第六章提出了基於熱力學燃燒模型對egr進行數值模擬的方法,系統地研究了車用汽油機加裝egr系統后對排放、油耗、功率的影響,並結合排放標準。提出了egr參數的全局優化的新思路。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。Abstract : the method of generating infrared image of target in the sky was proposed. at first, the geometric model of the target in the sky was built with grid ; secondly, using the theory of aerodynamic and heat transmission, the thermal equation of the different skin of target ( the skin with and without heat source, the skin with heat source and the skin of gasoline tank ) were established ; thirdly, as an example, the solution of the thermal equation of ultrasonic plane was obtained ; finally, the result of the computer simulation were proposed
文摘:提出了空中目標的紅外圖像生成方法,首先是空中目標的幾何建模及其網格化,然後據飛機空氣動力學和傳熱學原理提出了空中目標幾種蒙皮(單層蒙皮、內有燃油蒙皮、發動機影響區蒙皮)的熱平衡方程,然後以超音速飛機為例,介紹了方程的求解過程,最後給出了計算機的模擬結果及分析。Abstract : the reliability of the experimental results concerning the thermal conductivity of an argon plasma reported in acta aerodynamica sinica, 1997, 15 ( 4 ) has been discussed
文摘:本文對《空氣動力學學報》 1997年第4期上發表的氬等離子體的熱導率的實驗研究結果的可靠性做了討論。The great deviation of thermodynamic parameter will be brought on the calculation of thermodynamics process by using the common idealized assumption for humid air
為了滿足工程設計的要求,濕空氣必須看作實際氣體,以便在高溫高壓條件下準確確定其熱力學參數。The authors offer an engineering textbook that " talks directly to tomorrow ' s engineers in a simple yet precise manner, that encourages creative thinking, and is read by the students with interest and enthusiasm
在應用中,包括空氣、蒸汽動力循環和製冷循環以及氣體混合和化學熱力學、氣體高速流動等工程技術應用。Research on current rush to interception air - mass in delivery pipeline system and water hammer with gas is a branch of concurrent gas - liquid flow. for it refers to many fields, such as fluid mechanics, transient flow, concurrent gas - liquid flow and thermodynamics, the problem is very complicate, and there are still some issues to be deeply studied actually
輸水管道系統水流沖擊截留氣團與含氣水錘研究屬于氣液兩相流的一個分支,該問題涉及到瞬變流、空化、氣液兩相流和熱力學等多領域的理論,因而該問題十分復雜,有必要進行深入研究。According to the theory of boundary layer and the important of boundary - layer separation point detection of delta wing, the measuring principle and structure scheme of various system alternatives based on mems technology have been discussed, selecting the prototype of better workability. base on the master piece model of micro shear stress sensor
首先,結合空氣動力學的邊界層原理,針對三角翼邊界層分離點檢測在實現主動氣動控制方面的重要性,討論了光學式、電容式和熱敏式微型剪應力傳感器的測量原理和結構方案,選取適合加工條件的微型剪應力傳感器樣件。In the end, the paper makes an thermodynamic analysis, evaluation of investment and techno - economic analysis on the retrofit plans of heat recovery steam generator and air pre - heater, which helps to make the evaluation of the plans from the view of energy conservation and economy benefit
完成熱管布置設計和設備細部結構設計,繪制余熱回收設計圖紙。最後對所設計的余熱鍋爐和空氣預熱器方案進行熱力學分析、投資概算和技術經濟分析,從節能和經濟性角度評價了設計方案的效益。Single - layer model is convenient to apply but the unclear relationship between radiative and aerodynamic temperatures is still a bottleneck in this field. a new method was developed to derive reliable surface heat fluxes from radiative temperature viewed from arbitrary zenith angle. aerodynamic and radiative temperatures are connected through a so - called optimum component fraction ( ocf ) parameter - the fraction of vegetation in the field of view when the two temperatures are equivalent in oblique viewing
該方法利用表面熱輻射方向性和顯熱通量都是源於土壤和植被溫度的貢獻這一共同點,發現在一定傾斜角度的觀測下,視場中植被與土壤的比例可以較好地反映植被和土壤與大氣進行湍流熱交換的貢獻率,所以稱該方法為最佳組分面積比法,用最佳組分面積比可以將任意角度下觀測到的輻射溫度訂正為空氣動力學溫度,經過地面和遙感數據驗證表明,用該方法計算的通量精度高於普通的單層模型。Hence, analytical expressions are developed to allow for characterization of the vehicle ’ s dynamics early in the design cycle. the method involves a two - dimensional hypersonic aerodynamic analysis utilizing newtonian theory, coupled with a one - dimensional aero / thermo analysis of the flow in the engine of the vehicle
方法中包括一個應用牛頓力學理論的二維的高超聲速空氣動力學分析以及一個一維的氣動/熱分析,後者用於模型發動機中的流體分析。In this dissertation, the author summed up the muti - technique in fluid dynamics, heat and mass transferring, mechanical designing and computational technique and studied the conventional pressure spray dryers with different air disperse structure and outlet equipment, at last put forward the theme i. e. the study on combined spin - flow pressure spray drying technology, the main contents were as follows : ( 1 ) the combined spin - flow pressure nozzle was designed whose novel structure has no report at present, and the structural designing parameters were obtained through analyzing the physical characteristic of materials and distribution of particles
本文總結了國內外在壓力噴霧乾燥裝置的研究應用狀況,並分析了現有噴霧乾燥裝置設計方面的優缺點,運用流體力學、空氣動力學、傳熱傳質學、機械設計和計算機技術等多學科知識,綜合研究了傳統壓力噴霧乾燥系統的單噴嘴霧化裝置在併流、逆流以及混流乾燥中的應用和噴霧乾燥塔的不同布風裝置以及出風裝置的設置情況等,提出了新型旋流式組合壓力噴霧乾燥技術並對此進行了研究,其主要內容包括: ( 1 )本文創造性地設計出旋流式組合壓力噴嘴的基本結構,並通過對料液的物化特性研究分析以及顆粒度的分佈要求,給出了噴嘴的不同結構設計參數。Used the theory of air - dynamic and the jet - ejector principle the characteristic of jet - steam, proving the noise signal have the character of chaos by using the fractal theory. noise sound pressure on the normal condition was checked by theory formula and contrasted with the experimental data. the difference was analyzed in detail
結合空氣動力學噴射氣流噪聲理論公式,驗算了三效降膜蒸發器正常生產時熱壓泵中拉伐爾管噴口處的噪聲聲壓級,與實測值進行對比,並詳細分析了兩者產生較大差異的原因。分享友人