Sökning: "Energiteknik"
Visar resultat 11 - 15 av 1054 avhandlingar innehållade ordet Energiteknik.
11. Design, Optimization and Evaluation of a Transonic Aeroelastic Rig
Sammanfattning : The compressor is one of the most essential components of a modern turbomachinery engine. This component is exposed to vibrations that without proper design can damage structural integrity and lead to failure. LÄS MER
12. Experimental and numerical study of the thermal and hydraulic effect of EMC screens in radio base stations : detailed and compact models
Sammanfattning : Today’s telecommunication cabinets use Electro Magnetic Compliance (EMC) screens in order to reduce electromagnetic noise that can cause some miss functions in electronic equipment. Many radio base stations (RBSs) use a 90-degree building architecture: the flow inlet is perpendicular to the EMC screen, which creates a complex flow, with a 90-degree air turn, expansions, compressions, perforated plates and PCBs. LÄS MER
13. Responsible resource management in hotels : attitudes, indicators, tools and strategies
Sammanfattning : Hotels constitute one of the main, and still expanding, pillars of the tourism sector and are highly unique among other commercial buildings. Resource intensive and frequently inefficient systems and operational routines applied in the sector, result in considerable environmental impact and indicate an urgent need for more environmentally sound practices and products in the hotel industry. LÄS MER
14. Novel cycles using carbon dioxide as working fluid : new ways to utilize energy from low-grade heat sources
Sammanfattning : This licentiate thesis proposes and analyzes three carbon dioxide novel cycles, namely: the carbon dioxide transcritical power cycle, the carbon dioxide Brayton cycle and the carbon dioxide cooling and power combined cycle. Due to the different characteristics of each cycle, the three cycles are suitable for different applications. LÄS MER
15. Thermochemical conversion of biomass pellets : a parametric study for application in downdraft gasification
Sammanfattning : .... LÄS MER