Essays about: "boreholes"

Showing result 11 - 15 of 65 essays containing the word boreholes.

  1. 11. Energy-efficient HVAC solution-sets for low-energy apartment buildings in Nordic climates - An analysis of an affordable housing project

    University essay from Lunds universitet/Avdelningen för Energi och byggnadsdesign; Lunds universitet/Institutionen för arkitektur och byggd miljö

    Author : Laurence Gibbons; [2021]
    Keywords : Heating; Ventilation; Free cooling; Borehole; Ground source heat pump; Compact unit; Solar thermal collector; District heating; Underfloor heating; Radiators; Convectors; Thermal energy storage; Norway; Sweden; Finland.; Technology and Engineering;

    Abstract : To meet the aims of the Paris climate agreement, it is necessary to reduce energy use in buildings. Efficient HVAC systems are a critical part in achieving a low delivered energy use. READ MORE

  3. 12. Integrating Ground Source Heat Pumps into Elderly Homes as Energy-efficient Heating and Cooling Solution - A Swedish Case Study

    University essay from Lunds universitet/Avdelningen för Energi och byggnadsdesign; Lunds universitet/Institutionen för arkitektur och byggd miljö

    Author : Moritz Kuhleber; [2021]
    Keywords : Ground source heat pumps; Elderly homes; Thermal comfort; Energy performance; Multi-family buildings; Technology and Engineering;

    Abstract : Energy efficiency and environmental questions have gained increased attention over the last decade. In combination with global warming and increasing cooling demands, the Swedish market for combined heating and cooling solutions such as ground source heat pumps expands. READ MORE

  4. 13. Grouting Design Considering Different Geological Conditions : Grout evaluation for the extension of the Blue Metro Line

    University essay from KTH/Jord- och bergmekanik

    Author : Roaa Al Omari; Yasmeen Alali; [2021]
    Keywords : ;

    Abstract : This thesis forms the basis for a new documented experience of grouting design and work in the extension of the blue metro line in Stockholm. It includes documentation of the grouting design based on theoretical basis, stop criteria and fan geometries for favorable and unfavorable geological conditions. READ MORE

  5. 14. Carbon Storage in Quaternary Deposits of the Circum-Arctic Permafrost Region

    University essay from Stockholms universitet/Institutionen för naturgeografi

    Author : Annegret Udke; [2021]
    Keywords : Quaternary deposits; Carbon storage; Permafrost region; Organic Geochemistry; Sedimentology; Vulnerability; Thermokarst;

    Abstract : Rapid warming in northern latitudes will lead to permafrost thaw and subsequent carbon remobilisa­tion and release to the atmosphere. To incorporate the permafrost carbon climate feedback in globalEarth System Models, it is of importance to know the carbon stored in the circum­Arctic permafrostregion as accurate and precise as possible. READ MORE

  6. 15. Performance Evaluation of Ground Heating and Cooling Systems - Long-term performance measurements of two case buildings

    University essay from Lunds universitet/Avdelningen för Energi och byggnadsdesign; Lunds universitet/Institutionen för arkitektur och byggd miljö

    Author : Hao Liu; Hongyi Zhang; [2020]
    Keywords : Ground source heat pump GSHP ; System performance; Long-term monitoring; Geothermal; Borehole heat exchangers; Office building; Uncertainty analysis; Deep Green Cooling; Free cooling; Heating; Cooling; Technology and Engineering;

    Abstract : Geothermal energy is one of the oldest and most sustainable energy sources and has been used for thousands of years. The temperature of the ground at shallow depth is fairly constant, above the air temperature in winter and lower than the ambient temperature in summer. READ MORE