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Now showing items 21-30 of 32
Modeling and multi-objective optimization of a photovoltaic-thermal based multigeneration system
(2015-01-01)
In this thesis, a novel multi generation integrated system is introduced, analyzed and optimized. It consists of GaAs based PV (Photo-Voltaic) arrays connected in series. Light is being concentrated on those arrays using ...
Investigation of mechanical heat pump systems for heat upgrading applications
(2016-04-01)
Three high temperature heat pump systems based on vapor compression cycles are introduced and examined. Four fluids (water, cyclohexane, biphenyl and mercury) are selected and analysed thermodynamically as prospective ...
Energy, exergy and cost analyses of nuclear-based hydrogen production via thermochemical water decomposition using a copper-chlorine (Cu-CI) cycle
(2008-04-01)
In this thesis the Copper-Chlorine (Cu-CI) thermochemical cycle and its components as well as operational and environmental conditions are defined, and a comprehensive thermodynamic analysis of a Cu-CI thermochemical cycle, ...
Thermodynamic performance evaluation and experimental study of a Marnoch Heat Engine
(2009-10-01)
The Marnoch Heat Engine (MHE) is a recently patented type of new heat engine that
produces electricity from lower temperature heat sources. The MHE utilizes lower
temperature differences to generate electricity than any ...
Development of a new integrated sustainability assessment model for energy systems
(2017-07-01)
This thesis presents a novel and comprehensive sustainability assessment model for energy systems. The model features an integrated approach and encompasses various multi-disciplinary areas of study, which influence energy ...
Development and investigation of an ammonia synthesis reactor
(2018-08-01)
Ammonia production has gained increasing attention in the last decade due to its importance as a feedstock and an energy carrier. In the present thesis study, two novel ammonia production systems are presented. The first ...
Comparative study of various hydrogen production methods for vehicles.
(2014-12-01)
Hydrogen as an energy carrier is a promising candidate to store green energy and it has a
potential to solve various critical energy challenges. Although, hydrogen is a clean
energy carrier, the possible negative impacts ...
Development and analysis of new integrated energy systems for sustainable buildings.
(2014-12-01)
Excessive consumption of fossil fuels in the residential sector and their associated
negative environmental impacts bring a significant challenge to engineers within research
and industrial communities throughout the ...
Energy and exergy analyses of multigenerational integrated systems with geothermal and solar energy sources
(2017-12-01)
The world population growth leads to a large demand of the different forms of energy. The challenges will be focusing on the discovery of new technologies that will satisfy to the demand and the production of energy that ...
Experimental investigation of novel proton exchange membrane fuel cell and battery integrated system
(2023-08-01)
In this thesis study, a PEM fuel cell and battery integrated system is developed. The performance assessments of the PEM fuel cell stack are performed through the polarization curve, energy efficiency, exergy efficiency, ...