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首页> 外文会议>International Joint Power Generation conference >DEVELOPMENT OF A THERMAL APPROACH TO OPTIMIZE THE WASTE HEAT UTILIZATION FROM AN EXISTING GAS TURBINE STATION WITHOUT HEAT RECOVERY SYSTEM
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DEVELOPMENT OF A THERMAL APPROACH TO OPTIMIZE THE WASTE HEAT UTILIZATION FROM AN EXISTING GAS TURBINE STATION WITHOUT HEAT RECOVERY SYSTEM

机译：一种在没有热回收系统的情况下优化现有燃气涡轮机站的废热利用的热方法

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The present work deals with a numerical simulation of a flow in finned tube banks arranged behind a gas turbine. Three models of dual-pressure tube systems are developed and analyzed in order to predict the static system performances by optimizing the utilization of the exhaust gas from an existing gas turbine without heat recovery system. For more precise modeling, the theoretical analysis of finned tube banks systems is based on the non-linear conservation equations of mass, momentum and energy. Simulations are accomplished to prove the effectiveness of the present work in performance prediction of the dual-pressure tube systems. The obtained results clearly show the necessity to take into account all relevant physical phenomena in the simulation of flows in and across finned tube banks installed behind a gas turbine. The results also reveal the different operating behavior of the developed models considering combined effects of the exhaust gas parameters and the tube geometries.
机译：本工作涉及排列在燃气轮机后面的翅片管库中的流动的数值模拟。开发并分析了三种模型的双压管系统，以便通过优化来自现有燃气涡轮机的利用而没有热回收系统来预测静态系统性能。对于更精确的建模，翅片管库系统的理论分析基于质量，动量和能量的非线性保护方程。实现模拟以证明本作适用于双压管系统的性能预测。所获得的结果清楚地表明需要考虑所有相关物理现象在燃气轮机后面的翅片管库中的流动模拟中的所有相关物理现象。结果还揭示了考虑到废气参数和管几何形状的组合效果的开发模型的不同操作行为。

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