等焓 的英文怎麼說

中文拼音 [děng]
等焓 英文
isenthalpic
  • 等 : Ⅰ量詞1 （等級） class; grade; rank 2 （種; 類） kind; sort; type Ⅱ形容詞（程度或數量上相同） equa...
  • 焓 : 名詞[物理學] （單位質量的物質所含的全部熱能） enthalpy; total heat; heat content; sensible heat
  1. In order to overcome the difficulty mentioned above, this paper provides an improved heat transfer equation and a mended bem for the problems. first of all, the enthalpy and the " virtual temperature " are introduced into the paper to eliminate several mutative thermophysical properties in the heat transfer equation. secondly, the movement of the boundary between the solid and liquid phases in the billet is educed by virtue of the laplace transform

    這些改進包括：引入熱焓和「虛擬溫度」的概念，對非常數的熱物性參數進行整合：充分考慮鑄坯凝固潛熱釋放帶來的影響，利用「溫度回升法」來加以處理；利用拉氏變換和反拉氏變換的原理來對凝固過程中鑄坯內部固液相界面的移動方程進行了推導和求解，在凝固過程中充分考慮鑄坯內部的固液兩相的影響等等。
  2. Adiabatic throttling process of gas is not isoenthalpic

    氣體的絕熱節流過程不是等焓過程
  3. And, this thesis return as to it ' s measure to measure the proceeding error margin the analysis, and was analyzed by error margin the enthalpy different laboratory matchs the gb / t 7725 - 1996 standard, can be used for measuring the making the cold and making the heat ' s ability, the consuming, the cop, the breeze deal under the steady state or not steady state of air condition of diagraph room, and it can also test the influence of the four channels change to the face valve and and the electronic expanding valve to the whole function of the air condition

    而且，本論文還對其測量量進行誤差分析，經誤差分析該焓差室符合gb t7725 - 1996標準，可用於測量房間空調穩態及非穩態製冷能力和制熱能力、工耗、 cop以及空調器室內機組的風量，並能測試四通換向閥、電子膨脹閥等控制元件對空調器整體性能的影響。
  4. The improved cyclical function method is analyzed quantitatively through using the theory of the equivalent enthalpy drop and the real - time thermal consumption analysis can done

    並應用等效焓降理論對循環函數的定量分析加以改進，進行了耗差分析。完善了循環函數法在機組局部定量計算分析的方法。
  5. Touch on developing large - flow and high - pressure ratio impressor and large - enthalpy drop turbine, reducing harmful emission, solving the major problems of high - temperature blade material, cooling, protective coating and single - grain blade casting, and comfirm some important manufacturing techniques

    涉及了開發大流量高壓比壓氣機、大焓降渦輪，降低有害排放量，解決高溫葉片的材料、冷卻、保護塗層及單晶葉片鑄造等主要問題，並確認了一些關鍵的製造技術。
  6. On the deep foundation that studies and understands thermaldynamic system of steam power plant, this text is to compare analytic theories and computation method constantly used at present on the economy of thermaldynamic system of steam power plant, calculate the influences on thermal economy with theory of equivalent enthalpy drop when high pressure heater is into stoppage, prove influences degree on thermal economy when the composition of heater stoppage is diffrent, define regenerator rate and offer theoretical direction for heater stoppage

    本文在對火力發電廠熱力系統深入學習、掌握的基礎上，對目前幾種常用的火力發電廠熱力系統經濟性分析理論和計算方法進行了比較，以等效焓降理論對高壓加熱器停運時熱經濟性的影響進行了計算，說明了高壓加熱器各種停運組合對熱經濟性的影響程度;提出了加熱器回熱率概念，從而為高壓加熱器切除提供了理論指導。
  7. Abstract : on the basis of the principle of equivalent enthalpy drop, the online calculating model on the influence of every heater end temperature difference on the unit economy is established which shows the online influence degree. therefore, it provides the theory basis for overhaul workers

    文摘:以等效焓降理論為基礎，建立了各級加熱器端差對機組經濟性影響的在線計算模型.通過該計算模型可以在線顯示每級加熱器端差對機組熱經濟性影響的程度，從而為運行檢修人員提供了理論依據，對電廠節能有一定的現實意義
  8. In this paper, the theory of equivalent enthalpy drops is introduced first. then this paper deduces the theory for economic quantitative analysis of power units thermal circulation system, and according to the operational characteristic emphasizes the application to energy - loss analysis of heat - supply units

    在本文中，首先以等效焓降理論為基礎，闡述了火電機組熱力系統經濟性定量分析的原理，並根據機組運行的方式和特點，主要針對供熱機組介紹了性能能損分析的理論方法。
  9. This program can predict the wall temperature 、 internal wall heat tranfer coefficient 、 fluid temperature and entropy profile along the water wall. all of these provide an important foundation for designing this type of water wall structure to ensure the safety of the boiler operation. this hydrodynamic calculation program and the results can be used to analyze operation reliability and structure design of water wall system

    利用所開發的程序對設計的超臨界cfb進行了計算，給出不同負荷下，水冷壁出口工質溫度分佈，水冷壁受熱面不同位置處的金屬壁溫、內壁放熱系數、流體溫度焓值分佈，以及不同管子的流動壓降等結果，為分析鍋爐工作可靠性及水冷壁系統的結構設計提供了重要依據。
  10. In chapter 3, the numerical methods of hcppc are discussed. four models of fixed grid technique are surveyed. they are total enthalpy method, apparent heat capacity method, effective heat capacity method and the fictitious heat flow method

    首先回顧了常用的數值分析方法，接著重點介紹了固定網格技術中的幾個數值模型，包括焓法模型、顯熱容法模型、等效熱容法模型和擬源項法模型。
  11. The working parameters ( specific enthalpy, entropy, flux of working fluid, reynolds number, etc. ), the configuration parameters of the main components, such as steam turbine - generator group, evaporator and ehd condenser and system efficiency were calculated on the base of thermodynamics theory

    文中以熱力學理論為基礎，計算了低溫余熱發電系統的運行參數（比焓、熵、工質流量、雷諾數、管路壓力等）和各主要組件如汽輪機-發電機組、蒸發器和ehd冷凝器的結構參數，並計算了系統的效率。
  12. Standard practice for measuring plasma arc gas enthalpy by energy balance

    用能量平衡法測量等離子體電弧氣體焓的標準實施規程
  13. Then the explicit finite - volume method for the two - dimensional steady navier - stocks equations is studied. in order to prevent odd - even decoupling of the solution and oscillations near the shock waves, artificial dissipation is added. local time step, residue averaging, enthalpy damping and multi - grid method are used to accelerate the convergence during the five - step runge - kutta explicit time marching

    在計算中，採用五步runge - kutta顯式時間推進，引進人工耗散項以克服中心差分固有的奇偶不關聯性和抑制激波附近解的振蕩，應用了當地時間步長、殘值光順、焓阻尼、多重網格法等措施加速計算收斂。
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