The static off-design performance simulating model of advanced steam bottom cycle in combined cycle plant is made with a new concept that temperature blocks are the basic units for Heat Recovery Steam Generator (HRSG)...The static off-design performance simulating model of advanced steam bottom cycle in combined cycle plant is made with a new concept that temperature blocks are the basic units for Heat Recovery Steam Generator (HRSG). At the same time, a new method is necessary for making computer program easily, and computing it quickly and steadily. Then some examples are calculated, including simple pressure, multipressure and reheat structures.Thus we can draw some conclusion about the off-design performances of the advanced bottom cycles, and evaluate them comparatively.展开更多
The designing idea of general mathematics simulation in all operation regions for Total Energy System (TES) is proposed in this paper: modular modeling technology; two stages general modeling; directional graph of gra...The designing idea of general mathematics simulation in all operation regions for Total Energy System (TES) is proposed in this paper: modular modeling technology; two stages general modeling; directional graph of graph theory and system processes. We recommend simultaneously modular algorithm by comparing three simulation algorithms. Some case study of typical combined cycle TES show that the modeling and algorithm proposed in this paper are feasible and useful.展开更多
文摘The static off-design performance simulating model of advanced steam bottom cycle in combined cycle plant is made with a new concept that temperature blocks are the basic units for Heat Recovery Steam Generator (HRSG). At the same time, a new method is necessary for making computer program easily, and computing it quickly and steadily. Then some examples are calculated, including simple pressure, multipressure and reheat structures.Thus we can draw some conclusion about the off-design performances of the advanced bottom cycles, and evaluate them comparatively.
文摘The designing idea of general mathematics simulation in all operation regions for Total Energy System (TES) is proposed in this paper: modular modeling technology; two stages general modeling; directional graph of graph theory and system processes. We recommend simultaneously modular algorithm by comparing three simulation algorithms. Some case study of typical combined cycle TES show that the modeling and algorithm proposed in this paper are feasible and useful.