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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 ...
Evaluation of methods for estimating energy performance of biogas production
(Elsevier, 2014)
This study focused on identifying various system boundaries and evaluating methods of estimating energy performance of biogas production. First, the output-input ratio method used for evaluating energy performance from the ...
Comparison of Model-Based Flow Rate Estimation Methods in Frequency-Converter-Driven Pumps and Fans
(Springer, 2014)
Fluid handling systems such as pump and fan systems are found to have a significant potential for energy efficiency improvements. To deliver the energy saving potential, there is a need for easily implementable methods to ...
High-Speed Megawatt-Scale Induction-Motor Drives: Efficiency Maps and Drivetrains
(IEEE, 2022-10-13)
Selection of a proper drivetrain for a certain application is an important and challenging task. To make the right choice, several factors must be considered. The performance of an electrical drive system is among the ...
Evaluation of the Efficiency of Line-Start Permanent-Magnet Machines as a Function of the Operating Temperature
(IEEE, 2014)
The standard squirrel-cage induction machine has nearly reached its maximum efficiency. In order to further increase the energy efficiency of electrical machines, the use of permanent magnets in combination with the robust ...