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Showing result 21 - 25 of 140 essays matching the above criteria.

1. 21. Capital and Operational Cost Evaluation of Selected Powertrain configurations in Heavy-duty Fuel Cell Trucks

   University essay from KTH/Fordonsdynamik

   Author : Shenoy Vivek Venkatesh; [2021]
   Keywords : Heavy long haulage trucks; Total Cost of Ownership TCO ; Fuel Cell Electric Vehicle FCEV ; Battery Electric Vehicle BEV ; Tunga lastbilar; total ägandekostnad TCO ; elfordon med bränsleceller FCEV ; batterielektriska fordon BEV ;

   Abstract : The automotive and heavy-duty trucking industries are heading towards research and development of alternative powertrain solutions to meet the United Nations sustainability goals and cleaner solutions to aid climate change actions. This thesis project aligns with the vision of finding greener and sustainable modes of transport in the heavy long haulage trucking industry. READ MORE

3. 22. Concept Population & Verification of Traction Motors

   University essay from KTH/Fordonsdynamik

   Author : Aditya Pratap Singh; [2021]
   Keywords : Synchronous Reluctance Motor SynRM ; Permanent Magnet Synchronous Motor PMSM ; Permanent Magnet assisted SynRM PM-SynRM ; traction motors; electrical machines; Synkron Reluktansmotor; Permanent Magnet Synkron motor; Permanent Magnet assisterad Synkron motor; framdrivningsmotorer; elmotorer;

   Abstract : The electrification of automobiles has emerged as the sustainable powertrain solutionto meet United Nations sustainable development goals of sustainable cities andcommunities, affordable and clean energy, and climate action. The success of theelectrification depends on the efficiency of traction motors. READ MORE

4. 23. Experimental Study of Installation Effects on Cooling Fan Noise

   University essay from KTH/Marcus Wallenberg Laboratoriet MWL

   Author : Yu-Yu Lu; [2021]
   Keywords : Electric vehicles; Cooling fan noise; Installation effects; Free-space measurement; Wall-mounted measurement; In-vehicle measurement; Spectral decomposition method; Tonality; Broadband noise level.;

   Abstract : Owing to the ever-changing developments of battery and electric powertrain, vehicle electrification is the trend in the future. Without the presence of a combustion engine, masking effect from it reduces and noises from other components become perceivable. Among all, the cooling fan is one of the major noise sources. READ MORE

5. 24. Sustainable Product Development and Sourcing

   University essay from KTH/Industriell produktion

   Author : Shreyas Bharadwaj; [2021]
   Keywords : ;

   Abstract : From product development to supply chain there is conventionally a great focus on improving product performance, decreasing time to market and reducing costs. In order to develop and source a sustainable product, many other aspects need to be included and evaluated. READ MORE

6. 25. A Component-based Model of a Fuel Cell Vehicle System

   University essay from Linköpings universitet/Fordonssystem

   Author : David Salomonsson; Erik Eng; [2021]
   Keywords : Fuel; Cell; Fuel cell; Energy; Efficiency; Powertrain; Control; Propulsion; Battery; Supercapacitor; Capacitor; Compressor; PEMFC; Hydrogen; Nitrogen pollution; Purge valve; Compressor; Throttle; Humidifier; Fuel cell model; Matlab; Simulink; Model; Emissions; PEM;

   Abstract : Improving the efficiency and performance of vehicle propulsion systems has always been desirable, and with increasing environmental awareness this has become increasingly topical. A particularly strong focus today is at fossil-free alternatives, and there is a strong trend for electrification. READ MORE