Case Study – The Importance of Thermal Storage in Managing the Energy in the Built Environment
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In calculating how much it takes to heat and cool a building, it is important to understand the building’s thermal storage capacity. This lecture looks at different types of buildings and how they retain temperature depending on what they are made of.
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Case Study – The Importance of Thermal Storage in Managing the Energy in the Built Environment
- 1. R i k a r d L a r s s o n - D i r e c t o r T h e r m a l S t o r a g e i n t h e B u i l t E n v i r o n m e n t
- 2. The research in short Energy Flows Using the time constant Balance temperature Theory Vs. reality Thermal Storage in the Built Environment
- 3. - Isfält & Bröms - Royal Institute of.Technology, Stockholm - 80% Covering: Structure Indoor temperature range Vs. fixed Time constant New methodology The Research in Short
- 4. Energy flows Energy loss Purchased energy Free energy How to use the Free and exess Purchased energy Energy storage Energy Flows in a normal building
- 5. Using the Time Constant of Materials 160 - 300h (300h for low energy buildings) 60 - 120h 24 - 70h
- 6. Aceeptable temperature range 8oC = 80% 3-4oC = 20-40% 0oC = 0% Balance Temperature Temperature Balance temperature
- 7. Aceeptable temperature range 8oC = 80% 3-4oC = 20-40% 0oC = 0% Balance Temperature Temperature Balance temperature
- 8. Municipal buildning: Highschool Healthcare: Clinic Commercial buildings: Office, Railway station Theory Vs. Reality + = 20-40%... Or Temperature
- 9. Municipal Building Type of building: Highschool Town: Tierp Size: 17 500 m2 Material Brick and concrete Heating: Distric Heating Heat saving : 32% Power Signature
- 10. Healtcare Type of building: Clinic Town: Jönköping Size: 11 000 m2 Material Concrete Heating: Distric Heating Heat saving : 46% Power Signature
- 11. Commercial Building Type of building: Office Town: Stockholm Size: 15 000 m2 Material Concrete & Glas Heating: Distric Heating Heat saving : 55% Power Signature
- 12. Commercial Building Type of building: Train Station Town: Gothenburg Size: 25 400 m2 Material Brick and concrete Heating: Distric Heating Heat saving : 24% Power Signature
- 13. Summary: The research in short Energy Flows Using the time constant Balance temperature Theory Vs. reality Thermal Storage in the Built Environment: + = 20-40%... Temperature
- 14. V i s i t S t a n d E 1 6 f o r a c h a l l e n g e … T h e r m a l S t o r a g e i n t h e B u i l t E n v i r o n m e n t