熱動態 的英文怎麼說
中文拼音 [rèdòngtài]
熱動態
英文
thermal regime- 態 : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
-
3. the mathematical model for heat and mass transfer in the adsorbent bed is established, the porous of adsorbent, the flow of adsorbate in adsorbent, the characteristic of non - equilibrium adsorption are combined in the model, and a more accurate model of fluid flow in porous media - ergun model is adopted
它綜合考慮了吸附劑的多孔介質結構,吸附質氣體在吸附劑內的流動,吸附的非平衡特性等,並且在吸附質氣體流動模型的選擇上,採用了ergun多孔介質流動模型,比常規的數學模型更全面準確地描述了吸附床傳熱傳質的動態特性。A lot of engineering applications are carried out using our proposed method in this paper, such as thermal deformation measurement of a car lamp, analysis of the super low frequency harmonic vibration of a piezoelectric ceramic, dynamic mechanical behavior analysis of the ballistite material and so on
在前面所提出的理論基礎之上,本文對該方法在實際工程中的應用做出了大量的工作。本文利用時間序列法實現了汽車前燈配光鏡的熱變形檢測、壓電陶瓷片的超低頻振動分析以及火箭固體燃料的動態力學特性研究。The properties of polyurethane ionomer were studied, including calorifics, dynamic mechanism and shape memory. comparing to the liner shape memory polyurethane non - ionomer, ionomer has superior effect on shape memory behavior and water vapor permeability especially the water vapor permeability increased from 5 - 8 times of liner smp to 20 - 30 times of ionomers lastly the novel crosslinked shape memory polyurethane was synthesized, which shape recovering temperature were randomly controlled and can completely recover original shape. the properties of polyurethane were studied, including calorifics, dynamic mechanism and shape memory
然後,在此基礎上合成了離子型形狀記憶聚氨酯材料,對其熱性能、動態力學性能、形狀記憶性能、透濕氣性能進行了研究,並與普通非離子型形狀記憶聚氨酯進行了比較,研究發現離子型形狀記憶聚氨酯具有更大的軟段結晶度、更好的形狀記憶性能、更優越的力學性能和透濕氣性能,尤其是其透濕氣性能有了非常顯著的提高,其高溫段濕氣滲透率是其低溫段濕氣滲透率的20 30倍,遠遠大於線型形狀記憶聚氨酯的5 8倍。According to the operation condition, it is shown that the protector presented in this paper can duly follow the motor ' s load fluctuation and capitally match with motor ' s tolerance overload characteristic, thus it is valuable to be actually used
運行結果表明,本文所研製的單片機式熱保護電器能較好地動態跟蹤負載變化,其熱保護特性能較好地與電動機的允許過載特性相匹配,有一定的工程實用價值。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。Numerical calculative simulation could factually reflect the dynamic characteristics of the whole equipment and inner flow and diathermancy of split - stirling crycooler. through the calculation, the velocity, temperature, pressure and other detailed information of airflow in any position inner the crycooler could be gained ; the distribution of each parameter could be confirmed and reasonable explanation for the experiment result could be made
數值計算模擬能接近真實地反映分置式斯特林製冷機的整機和內部流動、傳熱的動態特性,通過計算可以得到製冷機內部任一位置的氣流流動的速度、溫度、壓力等詳細信息,確定各參數的分佈情況,並可以對實驗結果做出合理的解釋。Dynamic behavior of marine intercooled regenerated gas turbine engines
艦用中冷回熱燃氣輪機裝置動態性能分析The china heating information network altogether divides into several big edition blocks they separately are : heats the on - line exchange area ; warmly passes the heating profession tendency ; heating ( thermoelectricity ) technical paper ; heating ( heating ) thermoelectricity product supply and demand information ; warmly passes the equipment, the heating product demonstrates, heating enterprise / heating company huang ye ; heating investigation ; heating magazine free subscription ; visitor visitors ' book ; and three leisure columns - reading room, joke, tabletop wallpaper and so on
中國供熱信息網共分幾大版塊分別是:供熱供暖論壇交流;暖通供熱行業動態;供熱熱電技術論文;供熱供暖熱電產品供求信息;招標采購投資合作;暖通設備供熱產品論文(包括鍋爐、熱量表、散熱器換熱器、保溫管材、地暖等) ,供熱公司供暖公司採暖供暖設備黃頁;及兩個休閑欄目-在線書屋、精彩笑話等。Nutrient dynamics of foliar litter in reciprocal decomposition in tropical and subtropical forests
熱帶亞熱帶森林凋落物交互分解的養分動態Abstract : large time delay exists in complicated practical processes. for example, in fccu ( fluidized catalytic cracker unit ) reactor - regenerator, the feed is preheated through heat exchanging from fractional column slurry, thus results in large time delay. a predictive control system is designed for such processes, where the kernal algorithm is dynamic matrix control. application results show that the control behavior is improved than original pid control
文摘:實際的復雜工業過程,往往具有大的時滯,例如:煉油廠催化裂化裝置的反應再生系統,其原料油預熱通過油漿換熱實現,因此時滯特別大.本文針對這一類大的時滯過程,設計了以動態矩陣控制為核心演算法的預測控制系統,運行實踐表明:這一控制方案比原pid控制在控制質量上有較大提高At present there is a lack of fundamental data of dynamic thermal transfer performance of ground loop exchanger and energy - saving performance of gshp system
但有關埋地換熱器動態特性以及地源熱泵節能潛力方面的基礎性研究較缺乏。Presents the concept of heat barrier, and analyses its formation and some characteristics including irregular shape, dynamic changes and potential harmfulness
提出了土壤換熱中熱屏障的概念,並分析了熱屏障的形成原因及其特性,即形狀不規則、動態變化和危害性。It has issued residential buildings energy design standard for heating zone hot summer and cool winter zone and hot summer and warm winter zone. for heating zone, the method of effective thermal transmittance based steady heat transfer is used for the energy consume calculation, for hot summer and cool winter zone and hot summer and warm winter zone, the method based dynamic heat transfer must be used for the energy consume calculation
對居住建築,我國已頒布了包括採暖地區、夏熱冬冷地區、夏熱冬暖地區三個節能設計標準,對北方寒冷地區,用建立在穩態傳熱基礎上的有效傳熱系數法進行能耗計算;對夏熱冬冷地區、夏熱冬暖地區,圍護結構受室外動態溫度和太陽輻射熱的綜合作用,明確應採用動態方法計算圍護結構傳熱。Sicp / al matrix composites, with 5, 15 and 25 % volume fraction of sic particles, were prepared by vacuum hot - pressing sintering processing in this paper. based on mechanics properties, sem observation and energy dispersive x - ray analysis, the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering, as well as the reinforcement and fracture mechanisms of this composite were analyzed. the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3. 3 10 - 3s - 1 ) to dynamic state strain rate ( 5. 2 103 s - 1 )
本研究以武裝直升飛機防護裝甲材料為研究對象,採用真空熱壓粉末冶金燒結工藝制備了含sic顆粒體積分數分別為5 、 15和25的sic顆粒增強鋁基復合材料,結合其力學性能、掃描電鏡和界面微區能譜分析結果,分析了sic _ p al復合材料的真空燒結過程中的界面現象,以及材料增強和斷裂機理,並利用hopkinson高速壓桿沖擊實驗系統對其從靜態到動態(應變率為3 . 3 10 ~ ( - 3 ) s ~ ( - 1 ) 5 . 2 10 ~ 3s ~ ( - 1 ) )的壓縮破壞響應進行了研究,分析了不同體積分數sic _ p al復合材料高應變率壓縮載荷下,材料的變形和微觀損傷機理,以及利用高速沖擊空氣炮測定了改復合材料制備剃度復合板的穿透性能。This thesis first studies the hydrokinetics, heat transfer characteristics, combustion and dynamics of cfbb. three types of single fuzzy controllers and a kind of synthetically fuzzy controller are designed, through the analysis of the control system of a certain plant
本文通過對循環流化床的流體動力學特性、傳熱學特性、燃燒特性和動態特性等方面的研究,設計了三種單模糊控制器和一種綜合模糊控制器,分析了某一電廠實際控制系統,並對方案進行了比較。The thermal dynamic analysis of tunnel drainage hole in the perennial frozen soil
多年凍土中隧道泄水洞熱動態分析The dynamic thermal performance of honeycomb potter heat storage bed used in high temperature air combustion are experimentally tested
摘要對高溫空氣燃燒技術中的關鍵設備蜂窩型陶瓷蓄熱體換熱器的熱動態特性進行了實驗測試。For the first time, it puts forward a conception of. thermal dynamic simulation and sets up a supposed analytical theory for scuffing failure and cylinder scoring of piston assembly and cylinder liner. that is followed with the simulation of scuffing failure and cylinder scoring of internal combustion engine under the condition of stopping cooling water supply and over loading
首次提出了熱動態模擬的概念,第一次大膽假設了活塞組、缸套擦傷、拉缸時的分析理論,模擬出了在中斷冷卻水和超負荷狀態下柴油機的擦傷、拉缸。Milly p c d. a simulation analysis of thermal effects on evaporation from soil [ j ]. water resour. res
沈榮開,任理,張瑜芳.夏玉米麥秸全覆蓋下土壤水熱動態的田間試驗和數值模擬[ j ] .水利學報, 1997 , 2 : 14 - 21A new type piezoelectric active member adopted in the thermo - modality control of intelligent structure was designed and manufactured. and the relations between its working properties, output displacement, output force, etc. and various influence factors were studied through experiments
設計製造一種可用於智能結構熱動態控制的新型壓電主動構件,並通過實驗研究其工作性能:輸出位移、輸出力特性與各種影響因素之間的關系。分享友人