Essays about: "air source heat pump hot water"

Showing result 1 - 5 of 9 essays containing the words air source heat pump hot water.

1. 1. 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

   University essay from Linköpings universitet/Mekanisk värmeteori och strömningslära

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

   Abstract : 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. READ MORE

3. 2. Performance Analysis of CO2 Heat Pumps in Different Applications

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

   Author : Jaykumar Thanggavelu; [2022]
   Keywords : CO2 Heat pump; COP; District heating; commercial buildings; residential buildings; field measurement data; Propane; Ammonia; R-134a; CO2 Värmepump; COP; Fjärrvärme; kommersiella byggnader; bostadshus; fältmätningsdata; Propan; Ammoniak; R-134a;

   Abstract : This study focuses on researching the performance of CO2 heat pumps in different real-time applications and in some studies, it compares the performance to synthetic and other natural refrigerants based on heat pump data provided from buildings. The research on the performance of the CO2 heat pump is performed based on Sweden's climatic conditions. READ MORE

4. 3. 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

5. 4. 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

6. 5. A Preliminary Optimisation and Techno-economic Analysis of Solar Assisted Building Heating System Using Transpired Air Solar Collector and Heat Pump in Sweden

   University essay from Högskolan Dalarna/Energiteknik

   Author : Puneet Kumar Saini; [2019]
   Keywords : Solar energy; air heating; Optimisation; heat pump; transpired air collector;

   Abstract : This thesis presents an optimisation approach and techno-economic evaluation tool for a system consisting of a transpired solar air collector and air source heat pump in a series arrangement. The thesis also investigates the application of the developed tool for feasibility study of a solar heat pump system for a group of three multi-family houses located in Ludvika, Sweden. READ MORE