Paper Information

Journal:   MODARES MECHANICAL ENGINEERING   JANUARY 2017 , Volume 16 , Number 10 #F0070; Page(s) 229 To 240.
 
Paper: 

ENERGY, EXERGY, ECONOMIC, ENVIRONMENTAL (4E) ANALYSES OF A SOLAR ORGANIC RANKINE CYCLE TO PRODUCE COMBINED HEAT AND POWER

 
 
Author(s):  ARIYANFAR LEYLI, YARI MORTAZA*, ABDI AGHDAM EBRAHIM
 
* DEPARTMENT OF MECHANICAL ENGINEERING, FACULTY OF ENGINEERING, UNIVERSITY OF MOHAGHEGH ARDABILI, ARDABIL, IRAN
 
Abstract: 

In this paper, with a comprehensive approach the energy, exergy, economic and environmental (4E) analyses of an organic Rankine cycle (ORC) to produce combined heat and power (CHP) based on solar energy have been performed. In order to perform a plenary survey, after thermodynamic modeling of the ORC, the study of the flat plate solar collectors (FPC), parabolic through solar collectors (PTC) and gas-fired boiler as the energy supplier equipment in the independent or combination models, as well as in the open or circulated state of the heat source flow have been done. In the open heat source flow state, the outlet flow of heat source at temperature of 80 °C is used to provide required heat in different sectors; however, in the circulated flow state, the amount of required primary energy is less than the open heat source flow state. Also, the use of photovoltaic panels to provide the pumping power of cycle is studied. The calculations show that the cost of produced power from lowest to highest is related to the use of gas-fired boiler, parabolic trough solar collector, photovoltaic panels and flat plate solar collectors respectively. Also, because of the efficient use of energy resources in the combined heat and power generation (open heat source flow) compared to power generation (circulated heat source flow), the energy and exergy efficiencies are increased %8.61 and %8.11 respectively; although the open heat source flow system compared to circulated flow system require higher investment cost.

 
Keyword(s): ORGANIC RANKINE CYCLE, SOLAR ENERGY, COGENERATION OF HEAT AND POWER, ENVIRONMENTAL, ECONOMIC
 
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