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Now showing items 11-20 of 37
Investigation of a hydrogen production process through aluminum and water chemical reaction
(2019-12-01)
This thesis reported a novel hydrogen production experimental set up, which utilized the chemical reaction between aluminum and water to produce hydrogen. The constructed experimental setup had an aluminum powder spraying ...
Experimental investigation of scroll based organic Rankine systems
(2011-04-01)
In this thesis, an experimental research is conducted on scroll-based Organic Rankine Cycle (ORC) focusing on the expansion process. An important feature of the ORC is the ability to utilize low or moderate temperature ...
Energy ans exergy analysis of biomass co-firing in pulverized coal power generation
(2011-04-01)
Biomass co-firing with coal exhibits great potential for large scale utilization of biomass
energy in the near future. In the present work, energy and exergy analyses are carried out
for a co-firing based power generation ...
Thermodynamic performance assessment of three biomass-based hydrogen production systems
(2010-04-01)
Hydrogen is likely to be an important energy carrier in the future. It can be produced by the steam reforming of natural gas, coal gasification and water electrolysis among other processes. However current processes are ...
Development of novel energy systems for LNG locomotives
(2015-04-01)
The use of diesel in the railway sector brings challenges to the engineers to meet the current emissions standards set by governments. This thesis addresses potential solutions to overcome the emissions problems in the ...
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 anaysis of an integrated photovoltaic system for hydrogen and methanol production
(2012-06-01)
A solar based integrated system for hydrogen and methanol production is investigated. Energy and exergy analyses of a hydrogen production plant, thermodynamic assessment of methanol synthesis plant, and exergy analysis of ...
Exergoeconomic analysis and optimization of organic Rankine cycles
(2012-03-01)
Heat sources such as biomass, industrial waste heat and solar thermal provide the
potential to produce renewable environmentally low impact electricity. Using these
resources efficiently within economic constraints is ...
Performance investigation of various cold thermal energy storages
(2008-07-01)
This study deals with solidification and melting of some typical encapsulated ice thermal energy storage geometries. Using ANSYS GAMBIT and FLUENT 6.0 software, HTF fluid motion past encapsulated water (ice) geometries, ...