scholarly journals Thermodynamic Performance Analysis of Regenerative Organic Rankine Cycle using Turbine Bleeding

2015 ◽  
Vol 26 (4) ◽  
pp. 377-385
Author(s):  
KYOUNG HOON KIM ◽  
SEON HWANG ◽  
MAN-HOE KIM
Keyword(s):  
Performance Analysis ◽  
Organic Rankine Cycle ◽  
Rankine Cycle ◽  
Thermodynamic Performance

scholarly journals Thermodynamic performance analysis of a R245fa organic Rankine cycle (ORC) with different kinds of heat sources at evaporator

2019 ◽  
Vol 13 ◽  
pp. 100385 ◽  
Author(s):  
Rithy Kong ◽  
Thoranis Deethayat ◽  
Attakorn Asanakham ◽  
Nat Vorayos ◽  
Tanongkiat Kiatsiriroat
Keyword(s):  
Performance Analysis ◽  
Organic Rankine Cycle ◽  
Rankine Cycle ◽  
Heat Sources ◽  
Thermodynamic Performance

scholarly journals Thermodynamic Performance Analysis of Turbine-Bleeding Organic Rankine Cycle with and without Regeneration

2018 ◽  
Vol 2 (1) ◽  
pp. 23-28
Author(s):  
Keyword(s):  
Performance Analysis ◽  
System Performance ◽  
Organic Rankine Cycle ◽  
Rankine Cycle ◽  
Inlet Pressure ◽  
Working Fluid ◽  
Low Grade ◽  
System Parameters ◽  
Turbine Inlet ◽  
Thermodynamic Performance

This paper presents a thermodynamic performance analysis of turbine-bleeding organic Rankine cycle (ORC) with and without regeneration using internal heat exchanger based on the first and second thermodynamic laws for the recovery of low-grade finite heat source. The effects of the important system parameters including turbine bleeding pressure, turbine inlet pressure, and working fluid on the system performance were intensively investigated. Results showed that there exists an optimum turbine bleeding pressure for the maximum second-law efficiency. The system performance under the optimal condition is significantly influenced by the turbine inlet pressure, regeneration, and working fluid. The greatest exergy destruction of the system varies depending on the system parameters.

scholarly journals Thermodynamic Performance Analysis of Solar Based Organic Rankine Cycle Coupled with Thermal Storage for a Semi-Arid Climate

Machines ◽  
2021 ◽  
Vol 9 (5) ◽  
pp. 88
Author(s):  
Nasser Mohammed A. Almefreji ◽  
Babras Khan ◽  
Man-Hoe Kim
Keyword(s):  
Performance Analysis ◽  
Solar Radiation ◽  
Power Output ◽  
Thermal Efficiency ◽  
Organic Rankine Cycle ◽  
Rankine Cycle ◽  
Thermal Storage ◽  
Moderate Temperature ◽  
Thermodynamic Performance ◽  
Net Power Output

This study focuses on the thermodynamic performance analysis of the solar organic Rankine cycle (SORC) that uses solar radiation over a moderate temperature range. A compound parabolic collector (CPC) was adjusted to collect solar radiation because of its long-lasting nature and featured low concentration ratios, which are favorable for moderate temperature applications. A thermal storage tank was fixed to preserve the solar energy and ensure the system’s continuous performance during unfavorable weather. However, water was used as the heat transfer fluid and R245fa was used as the working fluid in this system. The performance in both the hottest and coldest months was analyzed using the average hourly profile in MATLAB using weather data from Riyadh, Saudi Arabia. Variations in the tank temperature during the charging and discharging modes were found. The hourly based thermal efficiency and net power output for both configurations were also compared. The results show that at 17:00, when the cycle was about to shut down, the thermal efficiency was 12.79% and the network output was 16 kW in July, whereas in January, the efficiency was ~12.80% and the net power output was 15.54 kW.

scholarly journals Performance analysis of a novel system combining a dual loop organic Rankine cycle (ORC) with a gasoline engine

Energy ◽  
2012 ◽  
Vol 43 (1) ◽  
pp. 385-395 ◽  
Author(s):  
E.H. Wang ◽  
H.G. Zhang ◽  
Y. Zhao ◽  
B.Y. Fan ◽  
Y.T. Wu ◽  
...  
Keyword(s):  
Performance Analysis ◽  
Gasoline Engine ◽  
Organic Rankine Cycle ◽  
Rankine Cycle
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