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- generalized exergy loss distribution matrix equation [火用]损通用矩阵方程
- exergy loss distribution [火用]损分布
- Equations of rate of exergy loss for shell and tube exchanger are derived. 导出了管壳式换热器的火用损率计算公式,对影响功火用损的因素进行了分析。
- It also points out the method of decreasing of exergy loss and energy saving. 分析了减少火用损失的途径,节约能源。
- Based on thermodynamic principles,entropy generation and exergy loss of BFG(Blast Furnace Gas) and COG(Coke Oven Gas) during mixing were studied. 从热力学原理出发,研究了高、焦炉煤气混合过程的熵增加和损失。
- Exergy loss in an air separation unit mainly derives from the compression and expansion processes of fluid,heat exchange,rectification and throttling. 空分设备有效能损失主要存在流体的压缩与膨胀、热交换、精馏及节流减压等。
- The analysis results indicate the exergy loss decreases when the leakage and heat exchange decrease which is caused by the increase of the compressor's rotating speed. 分析结果表明,在压缩机工作转速提高过程中,由于泄漏量和换热量减少,(火用)耗散出现明显下降。
- Abstract Based on thermodynamic principles, entropy generation and exergy loss of BFG (Blast Furnace Gas) and COG (Coke Oven Gas) during mixing were studied. 摘要 从热力学原理出发,研究了高、焦炉煤气混合过程的熵增加和损失。
- The exergy loss reduces 44.7%.Thirdly, present a quasi-quantificational technologic value system.UNIFAC model as basic computing method is applied in the technologic value system. 再次,基于吸收剂在吸收工艺中的重要地位,采用UNIFAC模型,提出了一个半定量的吸收剂的工艺评价系统。
- With the application of the model, the exergy efficiency and the exergy loss in the system of ironmaking (sintering, spheric, ironmaking) is analyzed and direction and path of energy conservation are described. 应用该模型,分析了铁前各工序(烧结、球团、炼铁工序)的(火用)效率、(火用)损失,指出了铁前工序的节能方向和途径。
- It is showed that the exergy loss ofthe compressure is nearly 50%of total input exergy,and the bed column, almost 30%, the coler, 9.39%,the waste gas, 5.73%, the total energy efficiency is only 8.51%. 结果表明;压缩机(火用)损失接近系统总输入(火用)的50%25;床层(火用)损失接近30%25;冷却器(火用)损失为9.;39%25;废气带走的(火用)为5
- According to the simulation results, we find that the contract value may be underestimated if the excess of loss distribution is fitted by lognormal. 但若以对数常态分配建构尾部分配,则政府再保契约价值可能低估,反之,若以指数分配建构尾部分配则可能高估。
- In Chaper 5,the test bench for APV power system is built up.The experimental researches on the APV power system and the exergy loss in throttling depressurization are accomplished. 第五章建立了气动汽车动力系统实验台架,完成了气动汽车动力系统的台架实验及节流减压能量损失实验。
- The expander can reduce exergy loss in pressure reducing process, and the utilization of cryogenic exergy of air powered engine exhaust is useful to improve the total energy efficiency. 合理利用低温排气的冷量(火用)可以提高气动发动机能量转移系统的总能量效率。
- In addition, the regenerator and the orifice are the main components where exergy losses exist. 分析结果为脉管制冷机的进一步优化指明了改进途径。
- The entropy generation and the exergy loss vary similarily with the change of mixing ratio,they first increased then decreased and both reached a maximum at a fraction of COG around 48%. 随着混合比例的增加,混合熵增加和损的变化规律相同,即先增大再减小,且在焦炉煤气体积分数约为48%25处达到极大熵增加和损。
- Exergy equation of steady state flow condition is used to calculate the exergy loss and exergy efficiency of the air treatment system and the cooling-box system of large scale air separation system. 应用稳流系统的火用方程对大型空分系统的空气处理系统和冷箱系统进行了火用及火用效率计算,进而可得知系统各个环节能源利用情况,同时简单介绍了减少火用损失、提高火用效率的一般措施。
- This paper discusses the principle of loss distribution approach, and empirically analyzes operational risk of Chinese commercial banks by means of Monte Carlo method. 摘要讨论损失分布法的基本原理,运用蒙特卡罗模拟对我国商业银行操作风险的经验数据进行了实证分析。
- The results show that with the increase of camber angle, the symmetry of the loss distribution is less symmetrical and the loss at the hub increases more greatly. 研究结果表明,叶型折转角越大损失分布的对称性越差,根部损失增加明显;
- Using numerical simulation method, detailed dynamic pressure variations, transient gas temperature and mass flow rate in the PTR, and the coefficient of performance of PTR and the exergy losses of all parts of PTR were obtained. 用数值模拟方法得到了制冷机内部各点的压力、温度、质量流率等参数的瞬时变化情况及整机的制冷系数,并得到了制冷机各部件的(火用)损失及整机的(火用)效率。