換熱介質 的英文怎麼說

中文拼音 [huànrèjièzhí]
換熱介質 英文
dowtherm
  • 換 : 動詞1. （給人東西同時從他那裡取得別的東西） exchange; barter; trade 2. （變換; 更換） change 3. （兌換） exchange; cash
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  1. And then, metal structure with aspect ratio 30 was obtained in our laboratory. eventually, a few micro parts with high aspect ratio were fabricated by liga process under the optimum condition. there were key parts of micro thruster, netlike nickel antielectron modulator, micro copper radiator, stainless steel micro components and many filter mediums with different shapes and dimensions

    最後，我們利用liga技術加工的獨特優點，以發展其高深寬比技術的實際應用，先後製作了狹縫陣列鎳結構微推進器關鍵部件、薄壁網狀多孔鎳結構正電子慢化體、微型銅結構換熱氣和多種材料不同、尺寸各異的過濾介質，還結合利用liga技術和微細電火花技術的加工優點，製作出了不銹鋼微結構
  2. Usually, this is not easy and requires the trial and error method. this paper designs a cross - flow steam / water heat exchanger and the according system and the sampling card

    本文設計了以蒸汽/水為介質的換熱器，以及相對應的系統，並對用到的數據採集卡板作了介紹。
  3. This paper studies the effect of saturation pressure to the heat surface of a phase - change hearer

    摘要合理確定和控制介質的飽和壓力對相變換熱加熱爐的經濟性有顯著影響。
  4. A rational range of saturation pressure is proposed and a brief introduction of the combustion control system adopted in phase - change heaters is made

    研究了介質飽和壓力對相變換熱加熱爐受熱面布置的影響，提出了介質飽和壓力的合理范圍，對相變換熱加熱爐燃燒控制系統作了簡要介紹。
  5. After the thought of applying the porous medium to new super cooling technique has been validated, a study on thermally driven heat transfer in enclosure filled with porous medium in a centrifugal force field is carried out

    新型超級冷卻技術中應用多孔介質的想法得到驗證以後，本文便對離心力場下裝有多孔介質的封閉腔體內流體的流動和換熱展開了研究。
  6. The dried powder product was formed in the spray dryer by pressure nozzle which atomized liquid into small droplets and heat and mass transferring was performed between droplets and hot medium in the drying chamber

    壓力噴霧乾燥裝置是利用壓力霧化裝置將原料液分散成細小霧滴，並與熱介質在乾燥塔內充分進行熱量、質量交換，最終達到乾燥產品的目的。
  7. At present, people usually use birefrigence and quasi - phase - matching methods to achieve higher effiency in the process of conversion. a significant advantage of quasi - phase - matching method is that the interaction is occurred through the largest element of the x ( 2 ) tensor ; the period of optical superlattice can be designed randomly, and any interaction can be matched without walk - off angle ; they are fitted to be used in frequency conversion of lower power especially. the quasi - phase - matching method has some advantages over birefrigence method, improving the efficiency of frequency conversion ; the range of frequency conversion covers its whole transperant wavelength

    由於準相位匹配技術有其獨特的優勢，可以利用非線性光學晶體的最大二階極化張量，如ppln 、 pplt 、 ppktp用的非線性極化張量都是d _ （ 33 ） ，其有效非線性系數高出普通非線性光學介質（如bbo 、 lbo 、 ktp ）一個數量級，而且可以人為靈活設計調制周期，通過周期設計其頻率變換范圍可以覆蓋準相位匹配介質的整個透明波段，選擇無走離效應，解決了常規pm難以解決的問題，拓寬了非線性晶體的應用范圍，極大地提高了頻率轉換效率，已成為非線性光學材料和固體激光器的研究熱點之一。
  8. The object to study in this paper is the electric heat reservoir boiler, which is used to supply heat water and bask for the resident population. the use of the system define the character of the output medium with the lower request on quality and parameter, at the same time, it ask the boiler should has the higher character on the respect of the cost, reliability, economy, and so on. hence, the paper carefully design and study the system for the choice and design of the boiler core heating componet, the lay of the heat exchanger, the working status of the heat reservoir equipment, the adjustment and control mode of to supply heat water. the study work mainly include underside some contents, forexample : 1. to confirm the heat medium parameter to adapt the requirements of the most of the heating equipments and to design the instruction of the boiler and heat reservoir as simple as possible

    圍繞上述原則，本文從電熱鍋爐核心加熱元件的選型及設計、換熱面的布置、蓄熱設備的運行工況、供熱的調節方式以及控制方法進行了較細致的研究和計算，具體研究工作有以下幾個方面： 1 .根據使用要求，確定適用於多數採暖設備的熱介質參數，設計在結構型式上盡可能簡單的鍋爐和蓄熱器； 2 .對製造加熱元件電熱管的各種材料進行了對比和分析、在結構尺寸上進行了仔細的分析和計算，根據實際使用條件給出合理的設計，使其具有較高的可靠性和使用壽命； 3 .對不同換熱面布置形式進行傳熱分析。
  9. Thaw settlement cause negative friction. this paper base on the thought of " initiative cooling ", aim at three problems existing in common concrete pile used in frozen soil, a new type of pile is proposed to overcome the disadvantages of the classical pile used in frozen soil. pile body within active layer is fluted and refilled with porous materials such as gravels and ballasts, convection will be occur and then thermal exchange inside porous material in winter while only heat conduction exists in summer, as a result the soil around flutings will be cooled, so the top line of permafrost will be drive up

    本文基於「主動冷卻」地基的思想，以及針對凍土地區普通混凝土樁存在的三大問題，提出了一種新型樁的設計思路，運用數值模擬試驗手段對其冷卻機理與加固機理進行了系統研究，即在凍融活動層的深度范圍內，在混凝土樁身的表面刻槽，修築完時槽內填充碎石、塊石等多孔介質，通過外界大氣溫度的自然波動下多孔介質在冬季時存在的對流換熱機制，而在夏季只存在熱傳導，來達到主動冷卻樁周凍土和抬升凍土上限的目的。
  10. The paper introduces the fundamentals of the temperature distribution in the borehole drilled in the frozen formation, and discusses the ascertainment of these parameters, including the mass quantity of circulation medium, the coefficient of thermal conductivity of drilling rods, the coefficient of the intensity of heat exchange and the coefficient of unstable heat exchange between the rock and the circulation medium, and the rising of the temperature of the circulation medium in the bottom of the bore

    摘要介紹了凍土鉆孔內溫度分佈研究的理論基礎，其中主要討論了沖洗介質的質量流量、鉆桿桿壁的導熱系數、巖石同沖洗介質的熱交換強度系數與不穩定熱交換系數，以及孔底沖洗介質溫度升高值的確定。
  11. Seepage influences on the temperature distribution by means of heat transfer and communication, temperature influences on seepage field by changing the hydraulic conductivity and inducing fluid flow because of the temperature potential, thus finally approaching the stable seepage and temperature fields

    滲流通過參與熱量傳遞與交換影響溫度分佈，溫度通過改變介質滲透系數和溫度勢梯度引起水流運動來影響滲流場，兩者相互作用最終達到穩定的滲流場和溫度場。
  12. The theoretical calculation has a good agreement with the test result in a 400mw hydro - generator. many factors that effect coolant flow and heat exchange was analyzed

    通過400mw水輪發電機空心導線的實驗數據，驗證了計算程序的正確性，分析了各因素對介質流動和換熱的影響。
  13. According to the study of this project, we discovered the perfluorotriethylamine, a environment - protection evaporative cooling agent, and carried through the research on the process of fabricating, thermal nature, and heat exchange experiment on the evaporative cooling transformer model

    通過對相變降溫的研究，我們找到了一種環保型的蒸發製冷介質? ?全氟三乙胺。對其制取過程以及其熱物性進行了研究，並在蒸發冷卻變壓器模型上對其進行了換熱降溫實驗。
  14. It is of pipe type used for evaporation, heating, condensing, cooling operations, materials for this unit are optional as per the physical, chemical and corrosive properties

    這是一種管殼式換熱器，可用於蒸發、加熱、冷凝、冷卻等工藝，由介質的物理、化學和腐蝕等性能來選擇適宜的材料製作。
  15. The immersion electrical heater is chiefly applied in the direct contact mode of fluid heating. it features fast heat exchange and high thermal efficiency. it has the varieties of water heater, oil heater and gas heater. its heating element power density, i. e. the power per unit of heating area of the heating element, is an important parameter of the electrical heating element, which has a direct bearing on the performance and working life. the working out of the value is a highly specialized problem, being under the influence of many factors ( media flow rate, tempt, physical and chemical properties and direction in which the medium flows past the element etc )

    浸入式電加熱器主要用於直接對流體接觸加熱的場合，具有熱交換快，熱效率高等特點，分為水用加熱器、油用加熱器、氣體用加熱器，加熱元件的功率密度：即電加熱元件單位發熱面積上的功率，它是電加熱元件極重要的參數，直接影響加熱器的使用性能及使用壽命，它的取值是一個非常專業的問題，受到許多因素的影響（如介質的流速、溫度、物理和化學性質及介質流過加熱元件的方向等等） 。
  16. Fractal porous media can be simplified as a kind of binary mixture with different thermal conductivities. the calculated results show that heat transfer in fractal porous media is very complicated, the thermal coupling effect of matrix with pore structure is studied. when heat transfer in pore structure is neglected, the effective thermal conductivity for random sierpinski carpet is scaled up with the percent of matrix, which is described by the classic archie ' s law

    本文首先採用有限容積法分析了分形多孔介質中的熱傳導過程，多孔介質可以視為二元混合介質，計算中發現分形結構中的導熱規律非常復雜，基質與孔隙之間存在著很強的相互換熱，當不考慮孔隙氣體中的導熱時，本文所構造的隨機sierpinski地毯上導熱系數與基質率（基質百分含量）大多呈指數關系，這與archie定律的結果是-致的。
  17. It is widely used in the designing of heat exchanger, in the choice of the working medium of the thermal processing, it is the important gist

    在換熱器的設計、熱力過程工作介質的選擇中，導熱系數是重要的設計與選擇依據。
  18. Through former researches, the porous medium is thought can apply to new super cooling technique to enhance structure strength and get better heat transfer effect

    通過前期研究發現，從增加結構強度和獲得更好的換熱效果的角度出發，可以在新型超級冷卻技術中應用多孔介質。
  19. 1. meshless local petrov - galerkin method ( mlpg ) is developed for solving the raidative heat transfer problems in homogeneous medium

    使用該方法分別求解了一維和二維半透明介質內的輻射換熱問題。
  20. Ground source heat pump ( gshp ) air conditioning systems utilize ground soil as a heat source / sink, achieve heat transfer between the ground soil and a working fluid ( water or antifreeze solution ) circulating in a closed loop buried in the ground

    地源熱泵空調系統利用大地作為冷熱源，通過中間介質在埋設于地下的封閉環路中循環流動，與大地進行熱量交換，進而由熱泵實現對建築物的空調。
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