Iranian Journal of Mechanical Engineering Transactions of ISME

Iranian Journal of Mechanical Engineering Transactions of ISME

Potential Analysis of the combination of two types of thermal and member of desalination unit in converting a gas power plant into Combined Water and Power (CWP)

Author
university of guilan
Abstract
In this paper, a combination of a gas turbine unit with thermal and membrane desalination are evaluated technically and economically. A V94.2 Siemens gas turbine model with capacity of 150MV is selected for power generation.This system benefits by thermal and membrane desalination that work simultaneously. So that, preheated water of condenser in thermal unit is used as feed water into the membrane unit. By this combination, the desalted water is divided between thermal and membrane units. After modeling process, economical analysis has been performed and the cost of produced water In each of unit is calculated. As a benefit of converting gas unit into Water and power cogeneration system in this analysis due to the design of the system, the cost of water by thermal and membrane unit are calculated in 0.7,-1.45 dollars Per cubic meter Respectively. Finally, a parametric analysis due to the main indicators of power plants on modeling system is performed and by two-objective optimization and by considering of a gas power plant efficiency and also the capacity of desalination, an optimized condition of this combination is proposed.
Keywords

Subjects


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Volume 20, Issue 4 - Serial Number 53
Fluid Mechanics and Heat Transfer
Winter 2019
Pages 154-181

  • Receive Date 30 May 2018
  • Revise Date 29 October 2018
  • Accept Date 12 March 2019