查询词典 thermal efficiency

Diesel engines have the advantages of high thermal efficiency, maximum torque output, better fuel economic, and stability. In addition the diesel engine has an important contribution in dynamic machine, such as big truck, bus, trailer, attachment car, train, ship, agrimotor etc. It is excellent contributions to develop world economy, and then emissive smoke and NOx will produce air pollution to damage human health.

柴油引擎具有热效率高、输出扭力大及油耗较省、稳定又耐用等诸多优点，因此在动力机械方面始终扮演著重要的角色，如大货车、大客车、联结车、火车、船舶、农业机械等之引擎均采用之，对於全球经济发展功不可没；然而排放的黑烟和氮氧化物的浓度造成空气污染，影响人类健康，长期吸入会导致呼吸系统疾病，甚或致癌。

The influence of cold water temperature and anticorrosive coating on the thermal efficiency of water heater is studied.

研究了冷水温度和防腐涂层对热水器热效率的影响。

It has gotten across to judge operation capability of engine by thermal efficiency, noise, asperity and emission.

采用有限体积法对方程进行离散，并使用SIMPLE算法对离散后的控制方程组进行数值求解。

Analytical results showed that the thermal efficiency and exergy efficiency increased with increasing condensation temperature of Rankine cycle, inlet pressure of turbines of Rankine cycle and LNG cycle, and decreased with increasing outlet pressure of turbines of Rankine cycle and LNG cycle.

分析结果表明，混合动力循环热效率和可用能效率随朗肯循环冷凝温度升高、朗肯循环透平进口压力和液化天然气循环透平进口压力增大而提高，随朗肯循环透平出口压力和液化天然气循环透平出口压力增大而降低。

The energy balance equations and exergy balance equations of heat exchanger and power equipment in the combined power cycle were established.Taking condensation temperature of Rankine cycle, inlet and outlet pressure of turbine of Rankine cycle, inlet and outlet pressures of turbine of LNG cycle as key parameters, the influences of these parameters on the thermal efficiency and exergy efficiency of the combined power cycle were analyzed.

建立了混合动力循环中换热和动力设备的能量平衡方程和可用能平衡方程，并以朗肯循环冷凝温度、朗肯循环透平进出口压力、液化天然气循环透平进出口压力为关键参数，分析了上述关键参数对混合动力循环热效率和可用能效率的影响。

The energy balance equations and exergy balance equations of beat exchanger and power equipment in the combined power cycle were established. Taking condensation temperature of Rankine cycle, inlet and outlet pressure of turbine of Rankine cycle, inlet and outlet pressures of turbine of LNG cycle as key parameters, the influences of these parameters on the thermal efficiency and exergy efficiency of the combined power cycle were analyzed.

建立了混合动力循环中换热和动力设备的能量平衡方程和可用能平衡方程，并以朗肯循环冷凝温度、朗肯循环透平进出口压力、液化天然气循环透平进出口压力为关键参数，分析了上述关键参数对混合动力循环热效率和可用能效率的影响。

The temperature efficiency and thermal efficiency of regenerator are obtained.

常规技术的节能尽管有效，但难以取得更大的突破。

Based on a mathematical model assuming that dissociation of hydrate in the porous media takes place in constant temperature boundary condition, the analytical temperature distributions in dissociated and undissociated zones were solved, and thermal efficiency and energy efficiency were derived.

将多孔介质中天然气水合物在热力作用下的分解过程看作一个移动边界问题，在求解等温边界条件下水合物地层中分解区和未分解区温度场的基础上，推导出热力法开采水合物过程中开采热效率（用于水合物分解的热量与输入热量之比）和能量效率（开采所得甲烷气体的总热值与输入能量之比）的解析表达式。

Under a given thermal efficiency, the net efficiency of an industrial boiler is expected to be improved through proper design and selection of boiler draft fan and feedwater pump, establishing reasonable proportion of fuel...

其次，就锅炉鼓风机和给水泵的设计选型、比例定律和特性曲线的应用对节能的意义进行了研究，探讨了在一定的锅炉热效率下提高工业锅炉净效率的途径。

By combining electrical and thermal efficiency, we can get a fuel cell efficiency of up to 85%.

结合电热效率，该装置可以得到的燃料电池效率高达85%。

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。