熱氣體分析器 的英文怎麼說
中文拼音 [rèqìtǐfēnxīqì]
熱氣體分析器
英文
thermal gas analyzer- 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...
- 體 : 體構詞成分。
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 析 : Ⅰ動詞1. (分開; 散開) divide; separate 2. (分析) analyse; dissect; resolve Ⅱ名詞(姓氏) a surname
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 氣體 : gas; gaseous fluid
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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。Thermometric gas analyzer
熱學式氣體分析器The failure of manufacturing cu alloy valve body by die castin g and hot extrusi on casting were point out. characteristics of squeeze casting technology were exp ounded. application of squeeze casting to cu alloy valve body in gas fired applia nce and influence of specific pressure on properties of product were analyzed
指出了壓力鑄造及熱擠壓工藝生產銅合金閥體的缺點,闡述了擠壓鑄造工藝的特徵,介紹了擠壓鑄造在燃氣器具銅合金閥體上的應用,分析了比壓對產品性能的影響。Analysis is made on structure characteristics of the finned - tube, and analysis has been made on the special heat and mass transfer principle of every micro - unit under both dry and wet conditions. appropriate hypothesis is made and based on the energy, mass and momentum equivalent, the evaporator models of dynamic distributed parameters are set up. in addition, the gascooler and internal exchanger models of dynamic and distributed parameters, the throttling valve models and the compressor models are set up, too
本文的內容如下: 1對翅片管蒸發器的結構特點進行分析,選取適當的微元體,對于干、濕工況下每個微元分別進行傳熱傳質分析,通過適當的假設,利用質量守恆方程、能量守恆方程和動量守恆方程建立了蒸發器的分佈參數數學模型;對回熱器劃分微元建立了分佈參數數學模型;對氣體冷卻器建立了分佈參數數學模型;對壓縮機建立了數學模型;建立了節流閥的數學模型,為系統模擬奠定了基礎。However, this dissertation mainly focuses on diesel catalyst aging mechanism including heat deterioration and performance degradation caused by toxic substance. following the above conclusions, a fast aging test cycle is produced which consists of three stages
論文的主體分析了柴油機氧化催化劑的老化機理,主要是熱失活和化學中毒老化,研究了我國主要幾種柴油機的排氣溫度特性,並在催化劑老化機理基礎上提出車用柴油機氧化催化器快速老化試驗循環,即三段式老化循環。Thermal chemical gas analyzer
熱化學式氣體分析器Thermal conductivity gas analyzer
熱導式氣體分析器Using the numerical computation method to simulate the pure air flowing in the plasma generator and using zero dimension theory and continuous medium hypothesis to establish the mathematical model of the plasma generator and applying the curvilinear coordinate to disperse the space of the plasma generator, applying simplec method to solve the set of discredited equations
應用數值計算的方法模擬了等離子發生器內部的純空氣流動,應用零維理論分析模型和連續介質假設建立了描述等離子發生器內部流動和傳熱的數學模型;採用貼體坐標系對等離子發生器的流場空間進行空間離散;採用simplec演算法來求解離散方程,獲得流場的數值解。In accordance with the problems existed in ir multicomponent gas analysis, a novel mu1tic. omponnt gas - sensitive sensor is developed by using the combination of narrow - band ir filter, light cone and pyroelectric detector array
摘要針對紅外多組份氣體分析存在的問題,採用窄帶紅外濾光片、光錐、熱釋電探測器陣列組合技術,研製了一種新型多組份氣敏傳感器。Based on the analysis of gas - solid multiphase catalytic reaction, the chemical reaction model is established. when the reaction is controlled by the chemical dynamic, the reaction rate is introduced by consideration of the adsorption and desorption effects. when the reaction is controlled by mass transfer, the diffusion coefficient is established which can present the flow rate increases in small reynolds domain ; for the internal diffusion, the internal diffusion coefficient is derived, and then the internal diffusion is coupled with chemical reaction to represent the phenomenon that the diffusion and the chemical reaction occur cocurrently
本文在考慮催化轉化器載體內發生的傳熱傳質現象的基礎上,建立了催化轉化器的一維單孔道和三維多孔道傳熱傳質模型;在分析載體內以氣-固多相催化反應為特點的工作機理的基礎上,建立了催化轉化器的化學反應模型:當催化轉化處于化學動力學控制區時,引入了考慮吸附、表面反應和脫附的表面化學反應速率公式,當催化轉化處于質量輸運控制區時,引入了決定外擴散能力的擴散系數公式和和決定內擴散速率的內擴散系數公式,並與化學反應速率相耦合,得出由擴散過程決定的化學反應速率公式。This new technology changes from the traditional method by which the induced and compressor wheel separately are designed and produced to a new one by which the one - piece compressor is designed. on the basis of this new technology and the optimum blade profile, the performance of both the compressor and the turbocharger is largely improved. through the heating power calculation of the compressor, the analysis of the surge and the block of the compressor, the test - bed performance test of the turbocharger, the matching test of turbocharger and diesel engine, the propulsion test of the turbocharger on plateau condition, it is proved that the newly - designed compressor not only has high efficiency, but also improves the flow distribution in the high efficiency area so that the propulsion line can run through the high efficiency area
主要內容包括:提出一種全新的壓氣機葉輪技術和概念,這種技術將傳統的導風輪和壓氣機分開設計、單獨加工改為整體設計、整體加工的單體葉輪;從增壓器與柴油機配機計算所得出的基本參數出發,通過對壓氣機進行熱力計算,確定壓氣機的基本結構參數;再對葉型以及葉輪輪廓與葉輪罩殼的配合間隙進行優化,對新設計的壓氣機進行喘振和堵塞分析;通過增壓器平臺性能試驗,驗證了新設計的壓氣機的性能水平得到了較大的提高,達到了提高增壓器的整體性能水平的目的;通過增壓器與柴油機配機試驗、以及增壓器用於高原條件下的牽引試驗,驗證了新設計的壓氣機不但具有高效率,還改善了高效率區的流量分佈,使牽引特性線貫穿高效率區。The experimental results indicate that when the air flow rate is determined, the key problem for energy saving is how to keep the indoor thermal comfort at a suitable level and reduce the difference between the internal and external temperature of the room. a formula is gained for calculating the critical values of air exchange rate. when ventilating rate is greater than the value, radiating heating is the better way for energy saving, or else, convection method in heating is more suitable
實測還指出,當通風量一定時,如何保證人體熱舒適度不變而減少室內外氣溫差將成為大通風量房間節約採暖能耗的關鍵,本文結合圍護結構傳熱機理,在對三種方式的能耗狀況進行理論分析的基礎上,提出了換氣次數的節能臨界值,若換氣次數高於此值,則輻射供暖是較好的選擇,否則,散熱器供暖是較好的方法。In the present paper, according to the characteristics of the dynamic running of the thermoelectric refrigerating devices and its components for the refrigerator is analyzed and the independent components " models are established. the entire model describing the working procedure of the refrigerating system is set up with the method of parameters coupling to combine the models of the refrigerating system, load, cabinet and air in the cabinet. the running characteristics of thermoelectric refrigerators on the effects of received current, load and ambient temperature are investigated using small - signal linearization method
本文根據熱電製冷系統動態運行的特點,分析了電冰箱製冷系統及各個部件的熱物理過程,運用參數耦合的方法把製冷系統、負載、箱體及箱內空氣模型有機地結合在一起,建立了完整的製冷系統工作過程模型,用小階躍信號線性化法分析了電流、負載功率和環境溫度波動共同作用下的熱電製冷器工作特性。About design programs of propylene tower post weld whole heat treatment, we have made analyses and compare from the various technical and economic aspects, and in vertical state of large pressurized vessel, we propose to adopt the internal combustion heat treatment method, in horizontal state of it, to adopt high temperature flue gas heat treatment method, and propose center combustion tube method as the future direction of technical developmnet insights
摘要圍繞丙烯塔焊后整體熱處理的各種設計方案,從技術、經濟等方面進行分析對比,提出對超大型壓力容器,立置狀態下宜採用內燃法熱處理;臥置狀態時宜採用高溫煙氣法熱處理,並提出將中心燃燒管法作為今後技術發展方向的見解。Abstract : this paper describes the thermal effects of a coaxial rf - excitedco2 laser , based on the balance equations of electron density and energy , current continuity equation , and heat conduction equation. depende ncies of the spatial distributions of gas temperature on some discharge parameters arediscussed
文摘:通過求解放電等離子體中的帶電粒子密度和能量的平衡方程、電流連續性方程以及熱傳導方程,研究了同軸射頻( rf )激勵co2激光器中放電混合氣體的溫度效應,分析了有關放電參數對溫度分佈的影響。Taking some tubular air pre - heater used in one boiler whose capacity is 130 t / h as an example, new blue print with inner trachea is completed by means of computer program. several key design variables may be changed, such as diameter of pipe and velocity of flow of gas. these cases have been considered, and their results have also been compared with each other
比較了幾個重要的設計變量,如外管徑、煙氣流速等參數變化時,總傳熱系數和空預器本體管子總重量,阻力損失以及最低管壁溫度等幾個重要設計結果的變化趨勢,對內螺紋管空氣預熱器的設計具有借鑒意義;其間還分析了內螺紋管與光管在設計時的不同之處;最後,初步分析了內螺紋管的優化設計問題,提出了一些建議。Set up a mathematical model for indoor thermal environment on the base of analyzing enclosure heat gain and heat loss of each envelope. programs were developed for floor heating and radiator heating respectively. due on higher surface temperature ( or mrt ) in the same room, the calculation results shown the indoor mean air temperature of heating radiator room was 1 ~ 1. 3 c higher than floor heating room under operative temperature same
對連續供暖房間的熱過程進行了分析,根據房間熱過程數學模型編程計算結果顯示:由於散熱器供暖房間各圍護結構內表面對人體的平均輻射溫度低於低溫地板輻射供暖房間,要達到相同的作用溫度,散熱器供暖室內空氣溫度應比低溫地板輻射供暖房間高1 . 0 1 . 3 。The software has six modules : thermo physical property of working medium, design of heat pipe lithium bromide - water generator driven by waste heat, system design of single or double lithium bromide - water refrigerators with heat pipe, performance simulation of single or double lithium bromide - water refrigerator with heat pipe in varying duty, thermodynamic parameters of each state, thermodynamics analyses. the software makes the design more convenient and correct. it can be used to compare the design of multiparameter and select deferent design methods according to different needs
考慮到這種情況,本文在查閱相關文獻的基礎上,開發了煙氣驅動的熱管廢熱溴化鋰製冷機的系統設計和變工況性能模擬軟體,該軟體分為6大模塊:工質熱物性模塊、熱管溴化鋰廢熱發生器設計模塊、單/雙效熱管廢熱溴化鋰製冷機系統設計模塊、單/雙效熱管廢熱溴化鋰製冷機變工況性能模擬模塊、各狀態點熱力參數模塊和熱力學分析模塊。In this paper, firstly, three - dimensional geometrical models of the target and ir flares are established and by using the software vega missile attacking process is real - time simulated visually. secondly, the ir radiation characteristic of the target, background and the ir flares are analyzed, in which the wave radiation of the sun at different time, wind speed, the relative humidity and ir radiation attenuation characteristic of the atmosphere is under consideration. from above the ir image of the target, ir flare and the background are got and then are normalized to gray color image that will be showed in a child window in real time
本文通過三維建模工具creator建立目標、背景和干擾的三維模型,再通過視景模擬軟體vega生成載機、導彈和目標飛機的可見光場景圖像,實時地對導彈攻擊工程進行可視化模擬;並分析了目標、背景和干擾的紅外輻射特性,計算出傳感器路徑上大氣衰減等等,將經過衰減的目標、背景和干擾的輻射強度量化為灰度圖,以子窗口形式實時顯示;進一步可以使目標和干擾按照各自的運動軌跡運動,便可產生動態的紅外熱圖像序列。Gas analysis - preparation of calibration gas mixtures using dynamic volumetric methods - thermal mass - flow controllers
氣體分析.標定用混合氣體的制備.動態容量法.熱物流控制器分享友人