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Thermal modelling of UPS devices in confined installation spaces
(2020)
Diplomityö
Diplomityö
The objective of this master’s thesis is to determine, how confined installation spaces influence the thermal operating conditions of large-scale Uninterruptible Power Supply devices (UPSs). The UPSs include electronic ...
Black Carbon Formation and Modeling in Pulverized Biomass Combustion
(2020)
Diplomityö
Diplomityö
Musta hiili on yksi ilmaston muutokseen eniten vaikuttavimmista partikkeleista. Tyypillisiä lähteitä sille ovat pienpoltto, liikenne ja metsäpalot. Mustan hiilen vaikutus ilmastoon korostuu arktisilla alueilla, joilla se ...
Design of a UPS Integrated Heat Exchanger : Product development process utilizing CPM/PDD, DRP, Taguchi method and CFD simulation
(2022)
Diplomityö
Diplomityö
Thesis objective is to study how CPM/PDD, DRP, Taguchi methods and CFD simulation integrate to each other. Study is done by using a case study which is developing prototype for a proof of UPS integrated heat exchanger ...
On the direct stability assessment of parametric rolling with CFD : Preparation for the Second Generation Intact Stability Criteria
(2023)
Diplomityö
Diplomityö
Parametric rolling is a phenomenon where a ship starts to uncontrollably oscillate with increasing amplitude. This is caused by the surrounding waves parametrically amplifying the naturally occurring small rolling motions. ...
Heat transfer simulation of steel casting parts’ air quenching process: Model improvement
(2023)
Diplomityö
Diplomityö
Correct cooling rate in the quenching of steel casting parts is essential to achieve desired material properties. In this thesis, the heat transfer phenomena occurring during the air quenching process are examined, with ...
Construction and Formulation of Calculation Models for Thermal Swing Adsorption Reactor Modelling: Application in Post-Combustion Carbon Capture
(2023)
Diplomityö
Diplomityö
Carbon dioxide capture from combustion-based energy production emissions is one potential method for climate change mitigation and adsorption-based post-combustion carbon capture is currently under research as a potential ...