A Feasibility Study of Carbon-dioxide Based Rankine Cycle Powered by the Linear Fresnel Reflector Solar Concentrator System

  • R. Manikumar
  • A. Valan Arasu
Keywords: Linear Fresnel reflector solar concentrator, supercritical carbon dioxide, Rankine cycle, power generation and heat output

Abstract

Theoretical analysis of a linear Fresnel reflector solar concentrator powered Rankine thermodynamic cycle utilizing supercritical C02 as a working fluid is presented. The system model consists of a linear Fresnel reflector solar concentrator with trapezoidal cavity absorber, a power generating turbine, a heat recovery system and a feed pump. The effects of the principal parameters of the supercritical C02 on the performance of the system are investigated numerically by means of MATLAB simulation program under the assumed design conditions. It is shown that the key performance parameters, such as concentrator area, concentrated power reached to the absorber, C02 flow rate have significant effects on the thermal performance of the supercritical C02 in the trapezoidal cavity absorber. Analytical simulations show that the proposed system may have 0.3-0.38 kW power generation and 2.0-2.14 kW heat output for the various mass flow rates of the C02. The results recommend the potential of this new system for applications to electricity power and heat power generation.

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Author Biographies

R. Manikumar

Dr. R. Manikumar is an Assistant Professor, School of Mechanical and Manufacturing Engineering of Addis Ababa Science and Technology University, Addis Ababa, Ethiopia. He holds Bachelor's degree in Mechanical Engineering and Master's degree in Thermal Engineering and Ph.D. degree from Anna University, Chennai, Tamilnadu, India. He has 12 years of teaching experience. He has published ten numbers of technical papers in referred international journal and six numbers in referred national level journal. He has got prestigious "Young Scientist Fellowship Award 2012" from Tamil Nadu State Council for Science and Technology, Government of Tamil Nadu, India. Also he has carried out one sponsored technical project work. E-mail ID: mani2k72006@yahoo.co .in

A. Valan Arasu

Dr. A. Valan Arasu is an Associate Professor, Department of Mechanical Engineering of Thiagarajar College of Engineering, Madurai, India. He obtained his Bachelor's degree in Mechanical engineering First class with Distinction from Thiagarajar College of Engineering, Madurai, India and both Master's degree in Thermal engineering First class with Distinction and Ph.D. degree from Anna University, Chennai, India. He completed PDF in the area of phase change materials at NUS, Singapore under BOYSCAST fellowship from Department of Science and Technology, Government of India. He has published many technical papers in refereed International Journals and Conferences and carried out several sponsored technical project works.

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