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Milad Ashuri  - - - 
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Michel Feidt

44 shared publications

LEMTA, URA CNRS 7563, University of Lorraine, 54518 Vandoeuvre-lès-Nancy, France

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Distribution of Articles published per year 
(2014)
Total number of journals
published in
 
2
 
Publications
PROCEEDINGS-ARTICLE 12 Reads 0 Citations Performance Analysis of Organic Rankine Cycle Integrated with a Parabolic Through Solar Collector Mohammad Hossein Ahmadi, Milad Ashuri, Michel Feidt Published: 03 November 2014
Proceedings of The 4th World Sustainability Forum, doi: 10.3390/wsf-4-e014
DOI See at publisher website ABS Show/hide abstract
Recently, distributed power generation systems especially with renewable sources have shown a promising result all over the world and have been a technical solution to demand growth for electricity. Among these, solar thermal power plants show a trustworthy source for electricity generation especially for rural areas where small scale solar plants are used. Organic Rankine Cycle (ORC) is a suitable means for electricity generation from low grade heat and has shown a good compatibility with parabolic trough solar collectors (PTC). Here, a PTC integrated with an ORC cycle is being investigated for small scale electricity generation near Tehran. The system includes a solar field, a storage tank, and a small scale ORC engine. Performance evaluation has been done by means of commercial software Thermoflex19. Analysis to find the optimal design point turbine pressure and evaporator temperature for obtaining the best performance shows the effect of turbine inlet pressure and evaporator temperature on various cycle characteristics such as net output work, efficiency, solar heat input, oil temperature, collector efficiency and characteristics of heat exchangers such as pinch point and current UA. A comparison of different working fluids is presented. Results show that benzene has the best performance among fluids butane, n-pentane, iso-pentane, R123 and R245fa for the system conditions described.
PROCEEDINGS-ARTICLE 6 Reads 0 Citations Optimization Performance of Irreversible Refrigerators Based on Evolutionary Algorithm Mohammad Hossein Ahmadi, Mohammad Ali Ahmadi, Milad Ashuri Published: 03 November 2014
Proceedings of 1st International Electronic Conference on Entropy and Its Applications, doi: 10.3390/ecea-1-a001
DOI See at publisher website ABS Show/hide abstract
In early works done by authors, performance analysis of refrigeration systems such as power input, refrigeration load and coefficient of performance (COP) was investigated. In this article a new function called "Coefficient of Performance Exergy" or COPE has been introduced. Two objective functions of coefficient of performance exergy and exergy destruction are optimized simultaneously using the multi-objective optimization algorithm NSGAII. COPE has been maximized and exergy destruction has been minimized in order to get the best performance. Decision making has been done by means of two methods of LINAMP and TOPSIS. Finally an error analysis done for optimized values shows that LINAMP method is preferable against TOPSIS method.
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