thermodynamic efficiency 中文意思是什麼

thermodynamic efficiency 解釋
熱力效率
  • thermodynamic : adj. 熱力的。a thermodynamic cycle 熱力循環。n. -s 熱力學。
  • efficiency : n. 1. 功效。2. 效率;效能;實力,能力。3. 【物理學】性能。
  1. 2. recuperative gas turbine cogeneration with water injection and its thermodynamic analysis recuperative gas turbine cogeneration can reduce exhaust temperature, make use of waste heat and increase efficiency

    二、功熱並供回熱注水燃氣輪機及其熱力分析採取回熱和功熱並供可以減小熱機循環的當量排氣溫度或有效利用余熱。
  2. An experimental setup has been designed and built up through a collaboration program between cryogenics laboratory in zhejiang university and limsi - cnrs ( france ). the system employs the inherently reversible stirling cycle, and then its thermodynamic efficiency can easily surpass that of standing - wave system and is even comparable to that of the traditional internal combustion engines

    在充分理解工作機理的基礎上,與法國國家科研中心limsi實驗室合作,設計並建成一臺行波型熱聲驅動器實驗裝置,進行了初步實驗,以氨氣和氮氣為工質,成功地獲得了頻率分別為66hz和23hz的熱聲振蕩。
  3. The ejected coolant interacts with the external flow near the endwall and generates aerodynamic and thermodynamic losses in the process. this reduces turbine stage efficiency and together with the consumption of cooling air is detrimental to the overall cycle efficiency

    但這種方法中噴射的冷空氣與端壁附近的外流場相互作用產生氣動力和熱動力損失,並且消耗冷卻空氣,從而損害渦輪的整體循環效率。
  4. Method for measuring the efficiency of hydraulic turbines, storage pumps and pump - turbines thermodynamic method

    水輪機蓄水泵及渦輪泵的效率測定方法
  5. A test - bed of dg45 - 80 10 hypo - pressure feed water pump is designed, based on which the general on - line performance testing system is developed and the thermodynamic method is introduced to measure the efficiency of the pump. a new programming technology combining vc + + with matlab is presented by which the vibration monitoring system of boiler feed water pump is developed successfully to perform data analysis after on - line acquisition

    本文首先進行了次高壓鍋爐給水泵dg45 80 10實驗臺的設計,在此實驗臺設計成功並安裝調試通過的基礎上,開發了鍋爐給水泵通用性能試驗系統,包括測點的布置、各型測量儀器的選購,設計,安裝和調試以及軟體平臺開發。
  6. According to the working theory of the joule - thomson throttle coolers, the characteristics of mixed refrigerant and thermodynamic performance of a mixed - refrigerant j - t refrigeration cycle are analyzed systematically. the essence of improving thermodynamic efficiency of j - t coolers with mixed - refrigerant is revealed in - depth. 4

    闡述了混合工質j - t節流製冷機的工作原理,研究單純工質和混合物工質的節流效應,比較混合工質節流製冷機與純工質節流製冷機分析方法上的一些不同,分析了採用混合工質提高節流製冷機熱效率的機理; 4
  7. Based on the results of numerical simulation, the conversion and destruction of available energy had been studied. the exergy destruction in and out of the heat exchanger were also researched. the thermal efficiency and exergy efficiency of indirect evaporative cooler were defined according to the thermodynamic performance of heat and mass transfer

    在大量數值模擬的基礎上,分析了考慮與不考慮冷凝的間接蒸發冷卻過程中能量以及有用能的轉化和損失情況,並根據兩種情況下的收益火用和代價火用的特點,分別定義了火用效率的計算表達式。
  8. The effects of a wide variety of parameters such as the velocity, the temperature, the inlet moisture content of the primary and the secondary airflow, the channel width on basic thermodynamic criterion, such as thermal efficiency, exergy efficiency, exergy efficiency ratio, thermodynamics consummation, exergy destruction rate, exergy destruction coefficient, are simulated numerically

    在此基礎上,通過一些基本的熱力學指標,如換熱效率、火用效率、熱力學完善度、火用損率、火用損系數等,對間接蒸發冷卻過程能量以及有用能的利用、損失情況進行了分析和研究。
  9. The conclusion is that if an appropriate refrigerant mixture is used, the lhr cycle can have a relatively higher thermodynamic efficiency than that of basic cycle, in case their pressure ratios are the same. the thermodynamic efficiency can be further improved when the acr cycle is used

    研究結果表明,正確地選擇混合工質,在相同的壓比下,可使lhr循環比基本循環具有更高的熱力學效率,而採用acr循環可以較lhr循環更進一步提高循環的熱力學效率。
  10. When refrigeration in this temperature range is realized by using single stage refrigerator with mixed refrigerant, not only the structure of the refrigerator is simplified, thus the operation reliability of the refrigerator is increased, but also the refrigerator can operate with a higher thermodynamic efficiency than that of conventional ones

    採用單級壓縮的混合工質製冷機進行該溫區的深度製冷,不但可以使製冷機的結構得到簡化,提高製冷機運行的可靠性,而且還可以獲得更高的熱力學效率。
  11. The aim of this study is to compare the thermodynamic characteristics of different j - t refrigerator cycles with mixed refrigerant in - 40 " c ~ - 120 " c temperature range and to find out the refrigerator type with high thermodynamic efficiency and high reliability, as well as the corresponding optimum composition of the refrigerant mixture

    本文的研究目的就是通過理論和實驗兩方面深入的分析和比較各類混合工質節流製冷機循環在- 40 - 120溫區的熱力學性能,探求其中的內在規律,找到該溫區內具有較高熱力學效率和高可靠性的製冷機型式以及相應的最優混合工質成分。
  12. According to the theory of engineering thermodynamics and phase change, heat - transfer process of the special working fluid heat - pipe stove is analyzed. some hypotheses are postulated and with the help of equation of mass - conservation, energy - conservation, the dynamic concentrative parameter model is built, the change of each parameter is prescribed at any stage from starting to stopping. with the thermodynamic calculation of burnable process, the parameter of device, such as heat - transfer coefficient / thermal efficiency etc, are achieved under steady state ; based on theoretic calculation, observing the actual running circumstance of the heating stove in person, with some performance comparison between the new and the old, the high efficiency and reliability of heat - pipe stove is proved, the project which expend it in the oil - filed is feasible

    對充入該工質的熱管加熱爐,本文根據工程熱力學和相變傳熱學及相關知識,對其進行了傳熱分析,經過適當假設,運用質量守恆和能量守恆定律,建立了裝置動態集中參數模型,描述了加熱爐從開機到穩定運行這一動態過程各參數的變化情況,同時對燃燒過程也進行了熱力計算,最終得到了穩態工況下裝置的換熱系數、熱效率等熱力參數;在理論計算的基礎上,親赴現場觀察該爐的實際運行情況,通過與原有的加熱爐的各項性能進行對比,最終證明新爐的高效性和可靠性,為其在油田中推廣的可行性提供了依據。
  13. The humidity air turbine ( hat ) is one of the thermodynamic systems, which have features of high efficiency, low cost and low emissions because of the addition of water into the compressed air. the operating temperature may be up 250 and the pressure may be higher than 5mpa in key components ( the saturator ) of hat

    近年來出現的濕空氣透平( hat )就是這種高效環保的循環系統,在它的關鍵部件? ?飽和器中,濕空氣的溫度達到250oc ,壓力可能高於5mpa ,同時壓縮空氣儲能系統( caes )這一高效儲能系統要求工質(濕空氣)壓力達到15mpa 。
  14. With mixed - refrigerant, the thermodynamic efficiency of j - t cooler can be greatly improved. in this thesis, an open fast - cool - down j - t cooler driven by the high pressure pure nitrogen is investigated, and we also proposed mixed - refrigerant j - t coolers driven by a single stage oil - lubricated air - conditioning compressor. these two systems were studied both in theory and experiment

    採用混合工質的j - t節流製冷機在熱效率上比純質有大幅度的提高,本文從理論和實驗兩個方面分別對開式的j - t快速節流製冷機系統和用空調壓縮機驅動的混合工質閉式j - t節流製冷循環進行了研究。
  15. Based on the comparative analysis of two available heat system plan, the paper selects the water - water heat pump system plan. after a series of character analysis, design calculation ; the style of compressor including media choosing and its circle dynamic calculation for the thermodynamic system is determined. besides this, based on some basic measure of thermodynamic analysis, the heat pump coefficient of performance is discussed ; the exergy analysis for the water - water heat plan is conducted ; the calculation formula of heat pump exergy efficiency is derived ; an optimal model for heat pump together with thermal machine is established and the main exchanger equipment in heat pump system including its resistance calculation is designed in details

    本文通過對兩種系統方案進行比較分析,確定了水環熱泵系統的基本方案,經過定性分析和設計計算,進行了壓縮機的選型、工質的選擇、熱力系統的循環計算等基本設計,同時應用熱力學分析的一些基本方法,討論了如何評價熱泵系統的性能系數,並對電廠循環水余熱回收熱泵系統進行了(火用)分析,得到了熱泵過程(火用)效率的計算公式,建立了熱泵?熱機聯合機組優化模型,還對熱泵系統的主要換熱設備進行了詳細的結構設計和阻力計算,最後對熱泵系統進行了技術經濟分析和評價。
  16. Based on sufficient investigation of relative field at home and abroad, combined with actual state of engineering, aimed at the characteristics of low temperature waste heat power generation, under adequate consideration of economical efficiency, the thermodynamic system models on the base of rankine - cycle, which mainly consisted of evaporator, ehd condenser and steam turbine - generator group with r11 as working fluid, were constructed after comparing the current low temperature waste heat power generation systems

    文中在對國內外相關領域進行了充分調研的基礎上,結合工程實際狀況,針對低溫余熱發電特點,充分考慮經濟性的前提下,對現行的低溫余熱發電系統進行比較,選擇了以具有低沸點的r11為工質,由蒸發器、 ehd冷凝器、汽輪機-發電機組等主要部件組成的有機朗肯循環熱力系統模型。
  17. Aiming at the energy situation in china, this paper analyzed the problem in thermodynamic control systems, to improve the safety, reliability and economical efficiency of thermodynamic systems, and to reduce pollution, this paper bring the simulated evolution theory into the research on thermal dynamic to solve the optimization problem in thermodynamic control systems

    本文針對我國目前的能源情況,分析了現有熱力控制系統中存在的問題,從提高熱力系統的安全可靠性、運行經濟性和降低污染的角度考慮,提出將模擬進化理論引入熱力系統動態學研究中,解決熱力控制系統優化中的問題。
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