Open AccessOptimisation analysis of solar powered organic Rankine cycle system
Author(s) -
Bataineh Khaled M.
Publication year - 2017
Publication title -
iet renewable power generation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.005
H-Index - 76
eISSN - 1752-1424
pISSN - 1752-1416
DOI - 10.1049/iet-rpg.2016.0126
Subject(s) - organic rankine cycle , parabolic trough , working fluid , environmental science , mass flow rate , turbine , thermal efficiency , mass flow , rankine cycle , degree rankine , solar energy , thermal , automotive engineering , process engineering , simulation , engineering , mechanical engineering , power (physics) , meteorology , thermodynamics , waste heat , chemistry , electrical engineering , physics , heat exchanger , organic chemistry , combustion
This study investigates the performance of solar powered organic Rankine cycle (ORC) system. Parabolic trough collector PTC is utilised in this study. The selected site is located in the northern part of Jordan. Simulation models are built to assess the performance of system. The simulation models are built by means of mass and energy balances applied to every component of the system. The model simulates the hourly thermal behaviour of all system components. Different working fluids are compared. The effect of key operating variables on the system performance is examined. Simulation results show that there is an optimum values for mass flow rate, and inlet turbine pressure for each months. For the working fluid studied, the average daily overall efficiency ranges between 9 to 22% during summer time. The comparison between working fluids showed that the most efficient fluid is Butane. The optimal daily average overall efficiency reaches 18%. It is found that using PTC of area of 617 m 2 with ORC is reliable system producing above 80 kW during summer time. Mass flow rates have major effect on the cost of energy production. Furthermore, this study presents design optimisation so that solar thermal power plant can achieve higher reliable continuous operation with system components.