Blar i Institutt for energi og prosessteknikk på emneord "Sustainable Energy"
Viser treff 1-9 av 9
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Energy-efficient Supermarket CO2 Compressor Pack with Ejectors
(Master thesis, 2017)In this thesis, the background of re-implementation of CO2 and the description of refrigeration cycles with R744 compressor and ejector are introduced at first. The following is a case study performed to set up the R744 ... -
Experimental investigation of a heat pump assisted drum drying systems using propane (R290) as working fluid - Eksperimentelle undersøkelser av en varmepumpeassistert tørketrommel
(Master thesis, 2017)Dryer is a wide spread machine for drying cloth in family. The traditional heat pump dryer use R134a as working fluid. But this working fluid do not meet the standard in aspect of global warming. R290 is a very good green ... -
Improved Energy Efficiency with Solar Panels in Combinations with Cooling / Heating System
(Master thesis, 2017)Nowadays, with the unceasing human population growth and fast economic development, the global energy demand is also increasing unceasingly. Meanwhile, the increasing carbon dioxide emission has become a significant ... -
Modelling of Ground Source Systems for Heat Pump Operations
(Master thesis, 2017)This thesis concerns the regional hydraulic and thermal interference between well doublets of ground source heat pump systems. The thesis falls into three parts of which the first focus on theoretical review of operating ... -
Optimizing a Small Ammonia Heat Pump with Accumulator Tank for Space and Hot Tap Water Heating
(Master thesis, 2015)The heat pump market offers a wide variety of different residential heat pumps where most of them utilize refrigerant R-410A which has high global warming potential. Considering the fact that global policy ... -
Performance analysis of solar assisted R744 ground source heat pump in different climates
(Master thesis, 2014)Som verden står overfor alvorlige miljø- og energikrise, står bergvarmepumpe ut som en effektiv air condition-systemet som kan levere både kjøling og oppvarming belastning for bygningen. Tatt i betraktning den miljømessige ... -
Solar driven Power production using CO2 as working fluid
(Master thesis, 2015)This thesis work, titled as Experimental and computational research on the feasibility of solar driven power production in Rankine cycle using CO_2 as working fluid , involves the study of Rankine cycle in power production ... -
Thin-layer modeling in heat pump drying of green peas
(Master thesis, 2015)The current drying of heat sensitive materials is mostly done by conventional vacuum freeze drying. The major challenges are a long residence time, a low drying capacity and high energy use. An innovative drying process ... -
Use of ejectors to increase the energy efficiency of heat pump and refrigeration systems
(Master thesis, 2015)Ejektoren er i økende grad benyttet for ekspansjonsarbeidet utvinning av lawerdige varmen som å produsere ekstra kjøleeffekt . I denne rapporten er et kjøpesenter kapasitet R744 Enfaset ejektor syklus studert. Denne syklusen ...