Essays about: "Ice rink"

Showing result 16 - 20 of 26 essays containing the words Ice rink.

1. 16. SECONDARY FLUIDS USED IN INDIRECT REFRIGERATION SYSTEMS IN SWEDEN

   University essay from KTH/Tillämpad termodynamik och kylteknik

   Author : Patrick Javier Salom Munoz; [2015]
   Keywords : Secondary fluids; ground source heat pumps; indirect refrigeration system; regulations; Swedish market;

   Abstract : Interest in indirect (secondary) refrigeration systems has grown since the discovery of the negative effect of environmentally hazardous refrigerants and leakage problems from direct expansion systems. Among the positive effects of indirect systems are: decreased quantities of primary refrigerant, factory built units and confinement of refrigerant to the machine room. READ MORE

3. 17. Calving front dynamics : External forces that lead to specific sized calving events

   University essay from Uppsala universitet/Institutionen för geovetenskaper

   Author : Daniel Wainwright; [2014]
   Keywords : Greenland; calving; climate; photography; glacier; tidewater;

   Abstract : Currently there is no extended study that explicitly focuses on themagnitude, frequency and timing of glacial calving resulting from externalforces. Past studies have identified the size and timing of calving events butthe links between them and the external factors that cause them are stillmissing. READ MORE

4. 18. Investigation of how Insulation affects the pipe system in the soil for ice rinks

   University essay from Högskolan i Gävle/Avdelningen för bygg- energi- och miljöteknik

   Author : Ignacio Marco Estruc; [2014]
   Keywords : ;

   Abstract : In Sweden, ice rinks are one of the largest energy consumers in the public building sector, requiring, each ice rink, about 1050 MWh/year, from which approximately 42 % is used by the refrigeration system. The goals of this project is to study the cooling system in the floor of indoor ice rinks placed at Sweden and achieve a solution against the problem of permafrost in the soil, due to low temperatures, and against the problem of the large amount of energy lost through the ground, due to low efficiency. READ MORE

5. 19. Evaluation of heat pump concepts in ice rinks

   University essay from KTH/Tillämpad termodynamik och kylteknik

   Author : Patrik Gummesson; [2014]
   Keywords : Energy; ice rink; heat pump; COP; energy storage; LCC; heat demand; humidity; ice resurfacing; freezing time;

   Abstract : In Sweden there are about 350 ice rinks in operation today which consume approximately 300 GWh per year. The average energy consumption for a Swedish ice rink is approximately 1000 MWh per year. Ice rink dose not only consume energy it also rejects heat. The rejected heat comes from the refrigeration system that cools down the ice floor. READ MORE

6. 20. Carbon dioxide in ice rink refrigeration

   University essay from KTH/Tillämpad termodynamik och kylteknik

   Author : TUYET NGUYEN; [2013]
   Keywords : CO2; carbon dioxide; ice rink; refrigeration; CO2; koldioxide; kylsystem; ishall;

   Abstract : The average energy consumption of one ice rink is around 1000MWh/year, which approximately69% is occupied by the refrigeration unit and heating demand. With the aim of decreasing theenergy consumption, a new concept of refrigeration system with CO2 as a refrigerant has beendeveloped and it is promising to become a high potential next generation for refrigeration systemin ice rink. READ MORE