convection system 中文意思是什麼

convection system 解釋
對流系統
  • convection : n. 1. 傳送。2. 【物理學】運流,環流;【氣象學】對流,上升氣流。
  • system : n 1 體系,系統;分類法;組織;設備,裝置。2 方式;方法;作業方法。3 制度;主義。4 次序,規律。5 ...
  1. To have outer cooling system though forced convection. exercisable processes : compressive sintering of cemented carbide and ceramic, moulding sintering in powder metallurgy

    實例:適合於硬質合金陶瓷件的加壓燒結,粉末冶金的成型燒結等。
  2. An efficient convection cooling system and a thermostatically controlled fan keep this unit reliably cool and remarkably quiet

    -高效的對流冷卻系統和溫控風扇確保本系統低溫可靠安靜異常。
  3. An efficient convection cooling system and a thermostatically controlled fan keep this unit reliably cool and remarkably quiet. ideal for

    -高效的對流散熱系統和溫度調節控制風扇使硬碟機保持低溫和寧靜,散熱和噪音控製表現可靠突出。
  4. Second, on the basis of the above study, the coupled relationship among parameters of every part of refrigeration system and air convection cool system of small - scale cold storage is deeply analyzed and some appropriate numerical techniques are put forward for dynamic simulation. a dynamic simulation model of the small - scale cold storage refrigeration installation is established and calculated

    其次,在上述研究的基礎上,分析小型冷庫製冷系統和強迫對流空氣冷卻系統各部件參數的耦合關系,並採用適合動態模擬的計算方法,對小型冷庫模擬模型進行計算,計算結果和實驗結果吻合較好。
  5. Using the matlab tools, a computer program is compiled to solve this mathematic model, by which simulations to the thermal environment of the heated space under different heating style are carried out. the simulations results and their analysis show that for different space with the same thermal comfort index, the energy consumption of low - temperature water floor radiant heating system is less than that of convection heating system

    基於上述採暖空間的熱網模型,運用matlab數學軟體編程,對低溫熱水地板輻射採暖方式和對流採暖方式下房間的熱環境進行動態分析,並對這兩種採暖方式下採暖系統的能耗進行計算機模擬計算,結果表明低溫熱水地板輻射採暖系統相對于對流採暖系統有顯著的節能性。
  6. Based on the analysis of geothermal geology and hydrothermal convection system, the hot groundwater is formed from the mixing of the deep - circulating high - temperature structural - fissure water with the shallow circulating ordinary - temperature karstic water in the hydrothermal convection system

    根據地熱地質條件及水熱對流系統分析,地下熱水是在水熱對流系統中由深循環高溫構造裂隙水與淺循環常溫巖溶水混合而成。
  7. Discussion on the mineralization system related to hydrothermal convection

    淺析熱液對流成礦系統
  8. Seawater intrusion is modelled as a nonlinear system of coupled two parabolic partial differential euqaitons, of which one is the pressure flow equation and the other one is the concentration equation of convection - dispersion type

    摘要海水入浸問題的數學模型是兩個耦合拋物型偏微分方程,其中一個是關于壓力的流動方程,另一個是關于濃度的對流擴散方程。
  9. Abstract : the causes for low efficiency of the heater in no. 2 crude unit of jpc refinery are described and analyzed including water leaking of steam soot blower, dew point corrosion caused by steam, soot deposits in convection chamber owning to poor soot blowing, high flue gas temperature, no heat recovery of flue gas, and poor performance of insulation lining, etc. by using sonic soot removing system, flue gas recovery system, spray coating of fiber and rock wool, as well as adjustment of flow scheme accordingly in the technical revamping. the dew point corrosion is completely eliminated, the insulation performance is improved, the heat loss is reduced by 1. 25 %, the flue gas temperature is reduced to about 170, and the heater efficiency is increased from 83 % to more than 90 %

    文摘:分析了金陵石油化工公司煉油廠二套常減壓裝置加熱爐存在的因蒸汽吹灰器漏水,蒸汽引起露點腐蝕及吹灰效果差造成對流室積灰,排煙溫度高,煙氣熱量未回收利用以及爐子保溫襯里效果差等問題,提出採用聲波除灰系統、煙氣回收系統、纖維噴塗和巖棉噴塗及相應的流程調整等改造措施.測定結果表明,本次技術改造解決了因蒸汽吹灰器漏水所造成的露點腐蝕問題,提高了保溫效果,減少散熱損失1 . 25 % ,排煙溫度降至170左右,裝置的爐效率由83 %左右提高到90 %以上
  10. The causes for low efficiency of the heater in no. 2 crude unit of jpc refinery are described and analyzed including water leaking of steam soot blower, dew point corrosion caused by steam, soot deposits in convection chamber owning to poor soot blowing, high flue gas temperature, no heat recovery of flue gas, and poor performance of insulation lining, etc. by using sonic soot removing system, flue gas recovery system, spray coating of fiber and rock wool, as well as adjustment of flow scheme accordingly in the technical revamping. the dew point corrosion is completely eliminated, the insulation performance is improved, the heat loss is reduced by 1. 25 %, the flue gas temperature is reduced to about 170, and the heater efficiency is increased from 83 % to more than 90 %

    分析了金陵石油化工公司煉油廠二套常減壓裝置加熱爐存在的因蒸汽吹灰器漏水,蒸汽引起露點腐蝕及吹灰效果差造成對流室積灰,排煙溫度高,煙氣熱量未回收利用以及爐子保溫襯里效果差等問題,提出採用聲波除灰系統、煙氣回收系統、纖維噴塗和巖棉噴塗及相應的流程調整等改造措施.測定結果表明,本次技術改造解決了因蒸汽吹灰器漏水所造成的露點腐蝕問題,提高了保溫效果,減少散熱損失1 . 25 % ,排煙溫度降至170左右,裝置的爐效率由83 %左右提高到90 %以上
  11. 3, carry out detailed numerical simulation and analysis for heat extraction of deep - seated hdr based on the tengcong prefecture, reach the major variety rule of rock mass stress, temperature, fracture width depending on the heat extraction. ( 1 ) in the hot dry rock geotherraal energy extraction system, transportation of energy and flow of water arise mainly through the fracture, the lower temperature water attain the high temperature from the injection well to production well through conduction convection and take away the thermal from wall rock

    3 、認真地對騰沖高溫巖體地熱開發進行了數值模擬計算和分析,得出了地熱開發過程中巖體應力、溫度以及裂縫寬度隨地熱提取的變化規律等重要結論: ( 1 )在高溫巖體地熱開發系統中,能量的運移、輸送與水的流動主要通過裂縫面發生,注入的低溫水在流到生產井的過程中,發生傳導、對流、吸收圍巖熱量,達到升溫的目的。
  12. The control equation consist of completely coupled deformation equation, seepage equation, conduction and convection equation of heat, which describe the reservoir non - liner performance. 2, present the detailed strategy and methods to solve this mathematics model, the basic strategy as follows : regard the deformation equation ? seepage equation conduction and convection equation of heat as separate system, and solve the equation by coupling and iterative method ; disperse the control equation in the geometry field by the finite element method ( galerkin ), and in the time field by the finite difference method : programme the computer program on this task ; when the solving, take the combinative measures of the thick and thin mesh ; successfully carry out the numerical simulation in vast 3d heat extraction system of hdr

    2 、提出了高溫巖體地熱開發的固、流、熱多場耦合數學模型的數值解法,其基本的求解策略是:將固體變形,流體滲流與溫度場方程看成獨立的子系統,耦合迭代求解;利用有限元離散( galerkin )方法將控制方程在幾何域上離散,並用差分法得到時間域上的離散方程,並在此基礎上,編制了相應的計算機源程序;有限元求解中,為減小邊界效應的影響,在計算中採取粗細網格結合的方法,順利地實現了高溫巖體地熱開發三維巨系統的數值模擬。
  13. The traditional distributions of temperature and concentration just mark the final state that a convection system has reached but convey the information about how the heat and contaminant is transported across the system, and therefore we cannot get to know the natural characteristics of convection

    由於傳統的溫度與濃度等值線分佈僅展示了對流傳熱傳質系統所達到的最終狀態,而沒有提供熱與污染物的傳輸信息或結構,因此我們無法知道對流行為的本質特徵。
  14. The objective of this thesis is to study the problems about ground modeling experiments on the convection heat transfer in the hermetic cabins of two man - made satellites under microgravity, and build up a set of experimental system for the ground modeling - cool experiment - based on the theoretical analysis of the effects of gravity on the flow and heat transfer in the hermetic cabins

    航空航天技術領域中,如何在地面重力環境中實驗模擬空間微重力條件下的流動與傳熱,具有重要意義,但至今尚未得到很好的解決。本文的目的就是研究微重力環境下衛星密封艙內對流換熱的地面模擬實驗問題。
  15. In this paper, the main work is that developing a suit of on - line monitoring system of fouling on the low - temperature convection surface and local slagging on water wall surface, to guide and optimize the progress of sootblowing, on base of the successfully developed monitoring system of fouling on the high - temperature convection surface

    本文主要工作是在已經開發成功的高溫對流受熱面積灰監測的基礎上,開發低溫對流受熱面積灰在線監測以及水冷壁局部結渣在線監測,來指導和優化吹灰過程。
  16. The direct - inserted solar energy water heater can be used independently for household life, and connected in series or in parallel into a collective hot water supply system for unit such as factory, mine, school, armed forces, guest house, hotel etc. where volume of hot water is needed not so much. both the full glass vacuum heat collection tube which takes natural convection of heat exchange and the heat pipe with superconducting medium have passed the ice and snow test in cold area, and have been recognized by customers in various kinds of climate conditions

    這種系統包括熱管真空管全玻璃真空管,熱保溫水箱,循環網路系統,循環泵和控制器系統,其工作原理:建立於定點溫度的基礎上,介於集熱器和熱保溫水箱間的循環泵系統強制循環,集熱管吸收的太陽能不斷的轉化為熱能,使水箱里的水不斷加熱。
  17. System provide superiority momentum and middle - level dry and cold atmosphere for the hailstone convection. the ground pressure field and wind field provide low layer warm and humid condition. the second part is simulating water vapor combine conditions

    此次冰雹強對流天氣過程主要是受深厚的低渦天氣系統作用的結果,為此次天氣過程提供了優越的動力條件,有利於對流層低層暖濕空氣的抬升和中層乾冷空氣的注入。
  18. The dynamic numerical models of thermal components in the thermal management system are established based on the principles of abstraction, simplification and equivalence, and the general solution method, including the discretization of one - dimensional convection, is given. thermal management simulation platform is constructed using object - oriented method

    論文根據抽象、簡化和等效的原則建立了空間站熱管理系統中各熱組件的動態數學模型,給出了統一的求解方法和一維對流換熱的離散求解方法;用面向對象的方法建立了熱管理系統模擬平臺。
  19. Especially, in the filed of high tc superconductor, the technology that the cryocooler directly cool the superconducting system has changed the traditional cooling manner, which adopts the method of low tc fluid helium ' s convection and boiling to exchange the heat. it mainly depends on the cooling manner of conducting heat through the interfacial layer between the material of superconductor and non - superconductor ( such as cu, isolator, etc )

    特別是在高溫超導領域中,由於製冷機直接冷卻技術改變了傳統的靠低溫液氦對流、沸騰換熱的冷卻方式,主要依靠超導材料與非超導材料(如銅、電絕緣材料等)固體間的接觸導熱冷卻方式,固體間界面熱阻成為影響導熱性能的關鍵因素之一。
  20. Supported by the national natural science foundation of china ( study on heat transfer characteristics of downhole coaxial heat exchanger in convection geothermal reservoir ) and tianjin development and plan program of science and technology ( study of ecologic architectural energy system ), the thermal performance exploiting earth energy for heating and cooling is studied in this paper , and its main purpose is to offer reference for increasing the percent of renewable energy in ecologic architectural energy

    本文在國家自然科學基金(井下換熱器周圍對流型地溫地層內的傳熱特徵研究)和天津市科技發展計劃項目(生態能源建築體系研究)的資助下,重點研究了地表熱能(或稱地溫能)高效利用中的傳熱與熱力性能問題,為可再生能源在生態能源建築中發揮更大的作用提供依據。
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