TY - BOOK AU - Hesham Mohamed Safwat Osman AU - Essam Eldeen Khalil Hassan Khalil , AU - Mahmoud Ahmed Fouad , TI - Energy performance analysis scenarios of district cooling plant adding a lake heat sink proposal / PY - 2014/// CY - Cairo : PB - Hesham Mohamed Safwat Osman , KW - District cooling KW - Energy KW - Iake heat sink N1 - Thesis (Ph.D.) - Cairo University - Faculty of Engineering - Department of Mechanical Power Engineering; Issued also as CD N2 - Renewable energy resources for energy saving is the main concern nowadays, lack of energy in Egypt is the future nightmare, the thesis explore how to apply energy saving starting from the HVAC Design stage and in choosing the HVAC plant by new green codes and different scenarios to reach green systems, then demonstrate energy saving solutions proposals by using renewable energies and the advantages of using District cooling concepts in Energy saving The research model focus on energy saving possibilities by investigating different variables such as changing the type chiller plant systems in a district cooling plant and in addition taking advantage of the surrounding environmental sources of energy affecting the energy consumption of the Case study 2 district cooling plant-Egypt 2 which are as follows: Replacing the cooling towers with the existing artificial lake resource for cooling the condenser water of the district centrifugal cooling plant Using different scenarios for absorption chillers with traditional cooling towers and alternatively replacing the cooling towers with the artificial lake ER -