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Numerical analysis on utilizing excess steam for electricity production in cruise ships
(Elsevier Ltd., 2019-02-01)
Marine sector has a significant contribution to the global greenhouse gas emissions and energy usage. Despite that the energy efficiency of ship engines has been increased drastically and the usage of new type of fuels ...
Thermodynamic and turbomachinery design analysis of supercritical Brayton cycles for exhaust gas heat recovery
(Elsevier Ltd., 2018-11-01)
Significant amount of energy is wasted in engine systems as waste heat. In this study, the use of supercritical Brayton cycles for recovering exhaust gas heat of large-scale engines is investigated. The aim of the study ...
Greenhouse gas reduction potential by producing electricity from biogas engine wate heat using organic Rankine cycle
(Elsevier, 2016)
Organic Rankine cycles have been identified as a suitable technological option for converting low-grade heat into electricity with relatively high efficiency, and the organic Rankine cycle technology has been successfully ...
Analysis of radial-outflow turbine design for supercritical CO2 and comparison to radial-inflow turbines
(Elsevier, 2021-12-09)
Cycles using supercritical carbon dioxide have been recognized as potential future power technology. However, the turbines in these systems tend to experience very high rotational speeds and entail small physical sizes, ...
Numerical analysis of working fluids for large scale centrifugal compressor driven cascade heat pumps upgrading waste heat
(Elsevier, 2020-05-14)
Heat pump technology has the capability to upgrade unusable low-temperature waste heat and make the upgraded heat usable for different types of industrial and domestic heating applications. Heat upgrading could allow to ...
Measurement System of Small-Scale High Expansion Ratio ORC Turbine
(Springer, Cham, 2021-02-13)
Small-scale and high temperature ORCs have received increasing interest in recent times. This type of power systems can have high expansion ratio turbines with gas dynamic effects differing significantly from the behaviour ...
Experimental study of small scale and high expansion ratio ORC for recovering high temperature waste heat
(Elsevier, 2020-07-11)
In recent times, the use and development of small-scale ( 10 kW) ORC systems has received an increasing interest. However, the operational characteristics of small-scale high-expansion ratio ORC turbines are not yet well ...
Design and verification of a hermetic high-speed turbogenerator concept for biomass and waste heat recovery applications
(Elsevier, 2020-09-11)
Many waste heat recovery and biomass applications offer opportunities for small-scale steam turbines to produce electricity and to improve systems’ energy efficiency. However, the currently used axial turbine-based technology ...