اميرحسين ترابي

In this thesis , an integrated structure of power generation , heating , cooling and fresh water for a ten-story hospital located in Qeshm Island , in the south of Iran , has been modeled and eva‎luated . In this system , gas engine and organic rankine cycle are used to generate power.Also , in order to provide heating and cooling ,a boiler and a condensation refrigeration cycle have been used , respectively.Revers osmosis (RO) desalination process is used to prodused fresh water . The proposed system is simulated through Thermoflow and Matlab softwareThis integrated structure has the ability to produce 96.18 kg/s of fresh water. The exergy analysis shows that the highest amount of exergy destruction is related to the gas engine with the value of1034.605 kW. Organic Rankine cycle has been used to recover wasted heat and generate more power. For Rankine organic cycle fluid, 11 organic fluids have been investigated. The best organic fluid in terms of thermodynamic performance is PROPYLENE. In this regard, computer codes have been developed in MATLAB for 4E analysis. The investigation of thermodynamic simulation of the code developed with THERMOFLOW software has been compared with high accuracy. Optimization with genetic algorithm has been done for 4 decision variables and 2 objective functions. The results show that the use of the CCHPW system always reduces the amount of carbon dioxide released.

سيستم‫هاي تركيبي توليد برودت،حرارت، توان و آب شيرين , اسمز معكوس , سيكل رانكين الي , تبريد تراكمي

Combined cooling , heating, power and water , reverse osmosis , Organic Rankine Cycle , Compression refrigeration

Amir Hossein Torabi

Dr. Sepehr Sanaye