Avancerad sökning

Hittade 2 uppsatser som matchar ovanstående sökkriterier.

1. 1. Field measurements evaluation and modeling of CO2 heat pump for residential building (Gamen 12)

   Master-uppsats, KTH/Energiteknik

   Författare :Hassan El Sabea; [2019]
   Nyckelord :Koldioxidtrans-kritisk värmepump; Fältmätningar; Gamen 12 Skrapan ; Vasakronan; Bostadshus; Kostnadsbesparingar.;

   Sammanfattning : Carbon dioxide, as a natural refrigerant, is safe and environment-friendly. It is also an economic refrigerant which can be utilized in residential heat pumps. Analysis has been done to evaluate the performance of the CO2 heat pump in Gamen 12 (Skrapan) in the Sodermalm area, owned by Vasakronan; which is a real estate company. LÄS MER

3. 2. Evaluation of CO2 Ice rink heat recovery system performance

   Master-uppsats, KTH/Energiteknik

   Författare :Sotirios Thanasoulas; [2018]
   Nyckelord :Ice rinks; CO2 as refrigerant; Heat recovery; Efficient systems; Operation control; Warm climate; Isrinkar; Koldioxid som kylmedel; Värmeåtervinning; Effektiva system; Driftstyrning; Varmt klimat;

   Sammanfattning : Ice rinks are the largest energy consumers in terms of public buildings due to their simultaneous need of cooling, heating, ventilation, and lighting for different parts of the building which means that these facilities also have a lot of potential for energy saving. Due to the size of the cooling unit in an ice rink the refrigerant charge can become quite high, which potentially has a big impact on the environment. LÄS MER