查询词典 thermal efficiency

According to the principle of energy conversion and conservation in fuel combustion, the study is made to automatically control boiler combustion and to supervise boiler thermal efficiency real time on line. Representing fuel caloricity signal and on line thermal efficiency signal with the flame parameter, the combustion automatic control system has been successfully put into operation.

引 言在电力工业生产中，发电厂锅炉消耗大量的燃料，如何提高锅炉运行效率以节约能源，是人们长期力求解决的课题，从燃料燃烧的能量转换和守恒原理出发，对锅炉燃烧自动控制系统和锅炉热效率在线实时监测进行了一系列的探讨，找到了一个用火焰参数代表燃料发热量的能量信号和在线热效率信号。

The influence of excess air coefficient upon the thermal efficiency of heater has been discussed based on actual measurement and theoretical analysis on the relation between the excess air coefficient and flue gas loss, incomplete combustion loss and thermal efficiency of heater,the optimal excess air coefficient is given.

通过实际测试和理论分析过剩空气系数与排烟热损失、气体不完全燃烧热损失及加热炉热效率的关系，讨论了过剩空气系数对原油加热炉热效率的影响，给出了过剩空气系数的最佳范围。

The small size of the conventional micro/small gas turbine results in blade path of small dimensions for the conventional turbine. The small dimensions have a deleterious effect on component efficiency. In the APGC operating under ambient pressure, larger specific volume results in large dimension of blade path and higher component efficiency, and the higher overall thermal efficiency also.

由于传统的微型和小型燃机体积小，通流部分尺寸相对窄小，造成燃机元件的效率不高；而环境压力下吸热燃气轮机循环在低于环境压力下工作，因此，流经透平和压缩机的体积流量增加，提高了通流部分尺寸，有助于提高元件的内效率，进而提高装置的循环效率。

Results show that the combined configuration increases the thermal efficiency by 9.4 percent to 38.4 percent and the press ratio of the compressor, the maximum temperature of the cycle, the effectiveness of the recuperator and the ambient temperature affect the thermal efficiency to a certain extent respectively.

结果表明，该联合循环可将热效率提高9.4%，达到38.4%，循环增压比、最高温度、回热度和环境温度的变化均会对热效率产生一定的影响。

According to thermodynamic basic theory, the expression of the gas turbine circulation thermal efficiency to coupling parameter on the premise of considering actual influence factor and the matrix form of steam turbine thermal efficiency with the unfired HRSG is strictly deduced through mathematics method .

根据热力学的基本理论，通过严格的数学推导，分别推导出考虑实际影响因素的燃气轮机实际循环热效率关于耦合参数的关系式，非补燃式余热锅炉型蒸汽轮机热效率的矩阵形式的关系式，最后得出了燃气-蒸汽联合循环热效率关于耦合参数的关系式。

Thermal Barrier Coatings is a kind of ceramic layer of excellent high temperature oxidation resistance as well as very low thermal conductivity, which is deposited onto the surface of substrate by the assistant of bond coat layer. TBCs can effectively reduce the service temperature of the protected substrate, alleviate the thermal shock loading, reduce the requirement for cooling air, and so, the thermal efficiency of apparatus is improved. Therefore, TBCs have been widely used in the fields of space flight, chemical industry, and metallurgy or energy sources industry.

热障涂层(Thermal Barrier Coatings，简称TBCs)是一种陶瓷涂层，具有优良的抗高温氧化和非常低的热传导系数，它通过粘结层沉积在耐高温金属或超合金的表面，可以有效降低被保护基材的服役温度，减轻其热冲击载荷，降低对冷却空气的需求，提高器件的热效率，从而被广泛应用于航空航天、化工、冶金和能源等领域。

More attention should be paid to the thermal characteristics of heat exchanger of hot-blast stove in order that hot-blast stoves designed are optimal and harmonious in thermal efficiency, temperature efficiency and lifetime.

在设计、生产时应注意到热风炉换热系统的这些热工特性，以使生产的热风炉能够达到热效率、温度效率及寿命的优化统一。

With a thermal efficiency of more than 45 percent （compared with a typical subcritical plant thermal efficiency of 30-38 percent）, a fuel conversion rate of less than 272.9 grams/KWh

由于热效率超过50％（典型的临界发电厂热效率为30％-38％），燃料转换率少于272.9 grams/KWh

Furthermore, future power generation sector will generally use super-critical thermal cycle plant, its thermal efficiency is up to 45~50％. In this way, the benefit of using the electric vehicle will be more obvious.

况且将来我国汽力电厂将普遍采用二代超临界循环热机（super-critical thermal cycle）电厂时，其热效率可达45~50%，这项效益会更明显。

In order to analyze the relationship between radiation heat transfer and thermo-efficiency, the radiant heat flux of the cylinder and thermal balance are measured. The results show that: The reduction of thermal radiant flux in the cylinder is the primary cause of the improvement of thermal efficiency of the engine.

为了研究发动机热效率和辐射传热量变化之间的关系，利用辐射传感器测量了柴油机燃用DMC柴油混合燃料后缸内辐射传热量，进行了热平衡实验，分析结果表明，添加含氧燃料后，发动机缸内辐射传热量的减少是导致其有效热效率的提高的主要原因。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。