Blar i NTNU Open på forfatter "Elarga, Hagar"
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Advanced R744 solution for supermarkets, hotel chillers and maritime applications in India
Singh, Simarpreet; Selvnes, Håkon; Pardiñas, Ángel Á.; Reddy, Srinevas K; Gupta, P; Vaishak, S; Arun, B.S.; Widell, Kristina Norne; Elarga, Hagar; Hafner, Armin (Chapter, 2022)R744 integrated systems can meet oscillating heating and cooling demands efficiently and become a game changer in countries such as India. The present work aims to develop and present R744 system designs and disseminate ... -
Numerical investigation of a CO2 cooling system connected to Spawn-of-energy-plus thermal zones
Elarga, Hagar; Selvnes, Håkon; Sevault, Alexis; Hafner, Armin (Peer reviewed; Journal article, 2022)Today, only about 25 % of the European building stock is considered energy efficient. Meanwhile, the implementation of CO2 as a refrigerant is considered one of the solutions to improve the overall building’s energy ... -
Numerical simulation of an integrated CO2 heat pump/chiller and thermal storage system for a hotel in tropical weather conditions
Henke, Leon (Master thesis, 2022)Oppgaven undersøker numerisk ytelsen til en CO2 varmepumpe kjøleenhet integrert med en ejektor for å dekke behovet for kjøling og varmtvann (DHW) til et hotell i India. Systemet er komplett med fem lagdelte lagringstanker ...