Sökning: "air heat pump"

Visar resultat 6 - 10 av 182 uppsatser innehållade orden air heat pump.

  1. 6. Val av värmesystem vid nybyggnation av ett flerbostadshus i mellersta Sverige : En simuleringsstudie

    Kandidat-uppsats, Högskolan i Gävle/Energisystem och byggnadsteknik

    Författare :Oscar Olmats; [2023]
    Nyckelord :heat pumps; sizing; cost-efficient; capacity; geothermal heat; IDA ICE; boreholes; värmepumpar; LCC; kostnadseffektivitet; fjärrvärme; IDA ICE; effekttäckningsgrad; bergvärme; borrhål; dimensionering;

    Sammanfattning : The choice of heating system in new residential buildings has a significant effect onthe total life cycle-cost. Rising energy prices and tougher energy demands for newbuildings creates incentive for energy- and cost-efficient solutions. LÄS MER

  3. 7. Åtgärder för energieffektivisering av vanliga småhus - En teoretisk fallstudie av en 70-talsvilla

    Kandidat-uppsats, Lunds universitet/Avdelningen för Byggnadsfysik

    Författare :Elin Moberg; Oscar Lugnegård; [2023]
    Nyckelord :70-tal; Renovering; VIP-Energy; Energi; Technology and Engineering;

    Sammanfattning : The construction and service sector currently accounts for over one-third of Sweden's total energy consumption. Energy issues are at the forefront, and society is striving for more sustainable development. At the same time, electricity prices are increasing, leaving many households with expensive bills for heating their houses. LÄS MER

  4. 8. Energieffektivisering av ett bostadsområde i Tierp

    L3-uppsats, Uppsala universitet/Materialteori

    Författare :Ida Hagman; [2023]
    Nyckelord :;

    Sammanfattning : This project investigated and analyzed a variety of energy efficiency measures in a residential area with townhouses in Tierp, Sweden, known as Makrillvägen, currently supplied with district heating. The aim of the project was to determine the area’s current heating demand and primary energy rating, identify the necessary measures to enable the area to achieve a classification aslow-energy buildings, and evaluate the economic aspects of these measures. LÄS MER

  5. 9. Thermal Investigation of the Green Revolution Energy Converter : A study on the heat transfer within the GREC in regards of temperature distribution and heat rate

    L3-uppsats, Linköpings universitet/Mekanisk värmeteori och strömningslära

    Författare :Wilma Fager; Maja Abrahamsson Bolstad; Emma Gustafsson; Emma Andersson; Matilda Eriksson; [2023]
    Nyckelord :GREC; Energy; Heat transfer; Heat rate; Temperature distribution;

    Sammanfattning : To reduce emissions, new technological solutions can be of use. One technology which is currently being developed is the Green Revolution Energy Converter, GREC. GREC is an engine with the aim to produce electricity from temperature gradients.  This project is part of a greater project that is divided in two with different focus areas. LÄS MER

  7. 10. Optimization of comfort-related energy and thermal comfort for commuter trains : A case study of Stockholm commuter trains

    Master-uppsats, KTH/Skolan för industriell teknik och management (ITM)

    Författare :Jimmy Lidén; [2023]
    Nyckelord :Energy efficiency; thermal comfort; commuter train; ventilation; cooling; heating; energy utilization; case study; temperature; transient; Energieffektivitet; termisk komfort; pendeltåg; ventilation; kyla; värme; energianvändning; fallstudie; temperatur; transient;

    Sammanfattning : Today, energy efficiency is an increasingly important question in which progress is accelerating. One of the high electricity demand energy users is public transport. In addition, passenger satisfaction with thermal comfort is an important parameter. LÄS MER