了解火用的概念及其计算。
计算了一次蒸汽经减温减压后的火用损失。
The exergy loss of primary steam after temperature and pressure reduction is calculated.
在此软件包的基础之上绘制了水和水蒸汽的焓火用图。
With help of this package, the enthalpy - exergy diagram of water and steam is drawn.
早期热经济学优化主要着眼于直接计算输入到系统的火用。
Previous works on thermo economic optimization mainly focus on directly calculating exergy input into the system.
上述结果对稳流体系低于环境压力下火用的计算亦不例外。
When steady flow system is below the pressure of the environment, the calculation of the exergy is also without exception.
为提高燃气机热泵的火用效率，应选用效率高的燃气发动机。
The gas engine with higher efficiency should be selected to raise the exergy efficiency of gas engine-driven heat pump.
分析表明，传热不可逆损失是火用损失的主要部分，占40%。
Further, the exergy analysis reveals that the irreversibility of heat transfer (40 percent) is the major source of exergy destruction.
最后对压载水加热处理法进行了(火用)分析，探讨了其优越性。
Then, the heat treatment method of the ships' ballast water was analyzed through exergy analysis, and its advantage was discussed.
指出了最大(火用)损设备，并提出了减少(火用)损的有效措施。
The maximum loss in exergy is pointed out and the effective measures to keep exergy from losing have been proposed.
我想创造一个像火用闪光效果的一面镜子。这可以适用于一个标志。
I wanted to create a mirror like fire effect using flash. This could be applied to a logo.
提高热媒炉(火用)效率的关键是降低燃烧过程和传热过程的炯损失。
The key for increasing exergy efficiency of heat medium heater is to reduce the lost of exergy during combustion and heat transfer period.
能量平衡和火用分析结果表明，该系统的燃料利用率可达86%以上。
An energy and exergy analysis shows that the overall fuel utilization efficiency of the proposed cogeneration system is more than 86%.
本文运用热力学和传递过程的理论，对流体流动过程进行了(火用)分析。
By applying the thermodynamic principles and transfer theories, the exergy analysis of flow of fluids is made.
采用(火用)分析的方法，可以更完善地评价各种用能设施的能量和利用情况。
With the method of exergy analysis, we can evaluate more accurately how engines of all kinds consume energy.
根据某化肥厂合成氨系统中的低温甲醇洗工段的工艺，建立了(火用)分析模型。
A model of exergy analysis was established for rectisol section in the ammonia syn - thesis system of a chemical fertilizer plant.
运用结构理论详细分析一个复杂的能量系统，计算结果得到组元产品的火用成本。
A complex energy system with structural theory is to be discussed in detail, and the exergy cost of its unit product is calculated.
单耗分析是在火用分析和火用经济学的基础上所设计的能量系统分析的理论和方法。
The unit consumption analysis is a theory and method of energy system analysis designed on the basis of exergy analysis and economics.
火用评价结果表明，该系统稳定性好，运行成本低，年平均火用效率高，值得推广。
The result of exergy analysis shows that the TSHS runs at a steady course with low cost and high mean annual efficiency, which is worth promoting.
指出为取得较高的（火用）效率，传热单元数和水当量比应仔细选择，它们有一最佳值。
The results show that in order to obtain higher exergy efficiency number of transfer unit(NTU)and capacitance ratio should be selected carefully for they have optimum values.
热效率和火用效率达不到设计值的原因，一是排烟温度超过设计值，二是空气系数偏高。
The low efficiency is caused by the rejection temperature exceeding the design value and the high air coefficient (oxygen content).
为了充分利用液氢的低温火用，在氢能燃气轮机循环中附加了一个空气预冷器和氢气透平。
To fully utilize the low temperature exergy of liquid hydrogen, installed additionally in a hydrogen energy based gas turbine cycle is an air precooler and hydrogen turbine.
论文对透平制冷装置分别进行了热力分析和(火用)分析，从而得出如何获得最佳制冷效果。
Both thermodynamics analysis and exergy analysis of the refrigeration circle in turbine-compressor are accomplished in this paper, which leads to how to acquire the best effect of refrigeration.
总结了各种换热器性能评价方法，讨论了间接蒸发冷却换热器的(火用)效率分析计算方法。
Evaluation methods for heat exchanger are discussed, especially for indirect evaporative air cooler. The calculation methods of exergy effectiveness and exergy efficiency ratio are researched.
通过焓火用图与常用热力学图线的比较，展示了焓火用图在进行第二定律分析时所具有的优势。
The advantage in the second law of thermodynamics analysis is obviously illustrated with comparing enthalpy - exergy diagram to frequently utilized thermodynamic diagram.
结果表明：燃气机热泵在供热时的一次能源利用率为1.76，(火用)效率为29.12%。
The results show, when heating, the primary energy ratio of GEHP is 1.76 and exergy efficiency is 29.12%.
阐述了钢铁工业特别是炼铁系统开展（火用）分析的意义，并建立了工序的（火用）分析模型。
The meaning of exergy analysis in iron &steel industry, especially in the system of ironmaking is represented and the exergy analysis model of process is established.
在评价船舶余热利用系统的经济性时，(火用)分析方法较传统的热平衡方法有显著的优越性。
In evaluation of the system of waste heat recovery for ships, the availability method of analysis has a great advantage over the traditional method of thermal. balance.
在已有的过程系统能量结构模型和（火用）经济模型的基础上，提出了一个系统的优化综合方法。
In this paper, based on the pre-established process energy structure model and process exergoeconomic model, a systematic optimization synthesis procedure is advanced.
为了提高对某热力厂室内蒸汽管网的监测和管理，以火用分析方法为基础，建立蒸汽管网的数学模型。
Aimed at effectively monitoring and managing indoor steam pipe network in thermal plant, mathematic model of steam pipe was constructed which based on exergy analysis method.
为了提高对某热力厂室内蒸汽管网的监测和管理，以火用分析方法为基础，建立蒸汽管网的数学模型。
Aimed at effectively monitoring and managing indoor steam pipe network in thermal plant, mathematic model of steam pipe was constructed which based on exergy analysis method.
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