Essays about: "Heating Value"

Showing result 11 - 15 of 209 essays containing the words Heating Value.

  1. 11. Possibility for Positive Energy Retrofit in Borlänge

    University essay from Högskolan Dalarna/Institutionen för information och teknik

    Author : Daniel Nay Myo Tun; Abideen Olaide Bakare; [2023]
    Keywords : ;

    Abstract : The built environment accounts for 40% of annual carbon dioxide (C02) emissions. Among the total emissions, building operations generate approximately 27% annually. Other than this, building materials, infrastructural materials, and construction (embodied carbon) contribute to an additional 13% annually [1]. READ MORE

  3. 12. Technical performance modelling and optimization of PVT collectors in GSHP integration

    University essay from KTH/Skolan för industriell teknik och management (ITM)

    Author : Marin Courcault; [2023]
    Keywords : PVT; ISO9806:2017; mass flow; use conditions; test conditions; coefficients optimization; TRNSYS; PVT; ISO9806:2017; massflöde; användningsförhållanden; testförhållanden; optimering av koefficienter; TRNSYS;

    Abstract : In order to contribute to reducing the CO2 emissions related to heating in housing buildings, PVT+GSHP systems appear to be interesting solutions and therefore need to be further investigated to optimise their design and increase their deployment on the field. This thesis focused on building PVT model, using the ISO9806:2017, to be integrated in a PVT+GSHP model and determining optimal PVT design parameters for this system. READ MORE

  4. 13. Sustainable Urban Energy Transition for the City of Bitola, North Macedonia : A City-Scale Urban Building Energy Model

    University essay from KTH/Skolan för industriell teknik och management (ITM)

    Author : Emilie Andersson; Hillevi Höijer; [2023]
    Keywords : Urban building energy model; UBEM; Urban energy simulation; Urban energy transition; City Energy Analyst; CEA; Bitola; North Macedonia; Byggnadsmodellering på stadsnivå; Stadsenergimodellering; Stadsenergiomställning; Urban Building Energy Model; City Energy Analyst; CEA; Energisystemmodell; Bitola; Nordmakedonien;

    Abstract : Cities play a crucial role in sustainable energy system transformation. Urban energy systems account for 75% of global primary energy use, and 70% of global greenhouse gas (GHG) emissions (IEA, 2021). READ MORE

  5. 14. Litteraturstudie - Energieffektivisering av livsmedelsbutiker genom nyttjande av överskottsvärme

    University essay from KTH/Skolan för industriell teknik och management (ITM)

    Author : Christ Asadour; Teodor Nymark; [2023]
    Keywords : ;

    Abstract : Generellt sett har livsmedelsbutiker ett stort behov av enrgi i form av el, värme, komfortkyla och livsmedelskyla. Livsmedelsbutikers höga elanvändning utgör 3% av Sveriges totala elanvändning. En betydande del av elanvändningen går till kylsystem och genererar på så vis överskottsvärme från kondensorn som ofta slösas bort. READ MORE

  6. 15. Investigation of new refrigerants for a large-scale heat pump and evaluation of system performance

    University essay from Linköpings universitet/Mekanisk värmeteori och strömningslära

    Author : Hanna Grahn; Matilda Eriksson; [2023]
    Keywords : Large-scale heat pump; refrigerant; COP;

    Abstract : Heat production accounted in 2021 for 50 % of the energy end use globally, where a strongconnection to fossil sources still exists. Large-scale electrical heat pumps can therefore have akey role in the energy system to enable a decreased reliance on fossil fuels and at the same timecontribute to stable system when incorporating more intermittent renewable sources. READ MORE