Performance Evaluation for a 10 kW Solar Organic Rankine Cycle Power System to Operate in the UK Climate Conditions


A considerable amount of medium/low grade thermal energy is available in the form of Renewable sources (solar, geothermal, biomass) and waste heat in industrial processes which can be feasibly used to reduce consumption of fossil fuels. The Organic Rankine Cycle (ORC) technology is considered as one of the prospective technologies for utilization the above energy sources for power production. Northumbria University, UK, is working on the plans to build a hybrid solar/biomass ORC plant and this paper presents results of the performance evaluation for a 10 kW subcritical ORC power plant for which thermal energy is provided by an array of solar evacuated tube collectors with heat pipes. The mathematical model of such power plant was developed and Thermolib Toolbox, developed by EUtech Scientific Engineering GmbH was used for the simulation. The key components of the system include solar collectors, evaporator, expander, condenser and pump. The simulations of the plant were performed to estimate the variation of its performance during a typical day for various seasons. The required areas of the solar collectors and evaporator together with the mass flow rate of the working fluid were determined for the power plant to generate 10 kWel power using two organic fluids.

Author Information
Khaled Hossin, Northumbria University, UK
Khamid Mahkamov, Northumbria University, UK

Paper Information
Conference: ECSEE2015
Stream: Energy: Renewable Energy and Environmental Solutions

This paper is part of the ECSEE2015 Conference Proceedings (View)
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Posted by James Alexander Gordon