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Simulation Study of an ORC System Driven by the Waste Heat Recovered from a Trigeneration System

Lookup NU author(s): Jie Ji, Professor Cui He, Chunqiong Miao, Liqi Luo, Dr Yaodong Wang, Professor Tony Roskilly

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND).


Abstract

© 2017 The Authors. Trigeneration produces power, heat and cooling simultaneously. It utilises the waste heat from generator for heating and generating cooling. From previous studies, it is found that some part of the waste heat recovered by the trigeneration is not being used when it is in operation. It is therefore necessary to find a way to utilise the heat. Integrating an ORC (organic Rankine cycle) system into a micro trigeneration system is studied. The waste heat recovered by the trigeneration system is utilised by the ORC system to generate electrical power. An ORC model is set up in Matlab and a micro trigeneration system based a diesel engine generator in the laboratory at Newcastle University is used as the case study. R245fa is used as the working fluid. The result showed that the ORC system may generate 0.737 kW electrical power with 9.25% efficiency at the generator full-load operation point.


Publication metadata

Author(s): Ji J, He C, Xiao Z, Miao C, Luo L, Chen H, Zhang X, Guo H, Wang Y, Roskilly T

Editor(s): Jinyue Yan, Fengchun Sun, SK Chou, Umberto Desideri, Hailong Li, Pietro Campana and Rui Xiong

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 8th International Conference on Applied Energy (ICAE2016)

Year of Conference: 2017

Pages: 5040-5047

Print publication date: 01/05/2017

Online publication date: 01/06/2017

Acceptance date: 02/04/2016

ISSN: 1876-6102

Publisher: Elsevier Ltd

URL: https://doi.org/10.1016/j.egypro.2017.03.1016

DOI: 10.1016/j.egypro.2017.03.1016

Series Title: Energy Procedia


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