Presentació realitzada per Aniol Esquerra (Associació ECOSERVEIS) a les jornades tècniques GeoEnergia a Catalunya (29/11/2019)

1. Organitzen: Patrocinen:
JORNADES TÈCNIQUES “GeoEnergia a Catalunya”. Núm. 01
Sistemes d’autoconsum d’alta eficiència en el marc de la Transició Energètica i el Canvi Climàtic
Instal·lacions híbrides: Energia solar Fotovoltaica/Tèrmica + Energia Geotèrmica
29 de novembre de 2019, a l’ICGC
Fotovoltaica Geotèrmia

2. JORNADES TÈCNIQUES “GeoEnergia a Catalunya”.
Núm. 01
Sistemes d’autoconsum d’alta eficiència en el marc
de la Transició Energètica i el Canvi Climàtic
Instal·lacions híbrides: Energia solar
Fotovoltaica/Tèrmica + Energia Geotèrmica
29 de novembre de 2019, a l’ICGC
Fotovoltaica Geotèrmia
10.10 – 10.35
Instal·lació híbrida amb geotèrmia, solar tèrmica i sistema
d’emmagatzematge tèrmic latent (TESSe2b).
Aniol Esquerra, Associació ECOSERVEIS
Organitzen: Patrocinen:

3. Thermal Energy Storage Systems
for energy efficient building an integrated solution for residential
building energy storage by solar and geothermal resources
TESSe2b - the smart energy storage 3
Context of the project
TESSe2b Project
Type of action: RIA - Research & Innovation Actions (defined in the call)
Activities expected to focus on Technology Readiness Levels 4-6.
▪ Budget: 4.311.700 euros;
▪ Number of participants: 10
▪ Number of countries: 8
▪ Starting date of the project: 01/10/2015;
▪ Duration: 48 months

4. Thermal Energy Storage Systems
for energy efficient building an integrated solution for residential
building energy storage by solar and geothermal resources
TESSe2b - the smart energy storage 4

5. Thermal Energy Storage Systems
for energy efficient building an integrated solution for residential
building energy storage by solar and geothermal resources
TESSe2b - the smart energy storage 5
Què és un PCM?
Phase Change Material

6. Thermal Energy Storage Systems
for energy efficient building an integrated solution for residential
building energy storage by solar and geothermal resources
TESSe2b - the smart energy storage 6
PCM Tanks

7. Thermal Energy Storage Systems
for energy efficient building an integrated solution for residential
building energy storage by solar and geothermal resources
TESSe2b - the smart energy storage 7
PCM Tanks

8. Thermal Energy Storage Systems
for energy efficient building an integrated solution for residential
building energy storage by solar and geothermal resources
TESSe2b - the smart energy storage 8
PCM Tanks

9. Thermal Energy Storage Systems
for energy efficient building an integrated solution for residential
building energy storage by solar and geothermal resources
TESSe2b - the smart energy storage 9
EXPECTED BENEFITS OF ADDING PCM
 Ground temperature influenced by solar radiation
and precipitation down to appr.15 m
 Temperature of the neutral zone in non Alpine
Regions in Austria:
9 – 10 °C

10. Thermal Energy Storage Systems
for energy efficient building an integrated solution for residential
building energy storage by solar and geothermal resources
TESSe2b - the smart energy storage 10
EXPECTED BENEFITS OF ADDING PCM
 Medium fluid temperature (BHE 100 m deep) without load:
Medium ground temperature: 13.0 °C

11. Thermal Energy Storage Systems
for energy efficient building an integrated solution for residential
building energy storage by solar and geothermal resources
TESSe2b - the smart energy storage 11
EXPECTED BENEFITS OF ADDING PCM
 Medium fluid temperatures for a typical year, heating and cooling load:
Medium ground temperature: 13.0 °C

12. Thermal Energy Storage Systems
for energy efficient building an integrated solution for residential
building energy storage by solar and geothermal resources
TESSe2b - the smart energy storage 12
EXPECTED BENEFITS OF ADDING PCM
 Medium fluid temperatures within a year, with heating and cooling and PCM:
Objective for Austria and Spain : to consolidate fluid temperatures during heating at a higher level, so
that the heat pump will work at a better COP

13. Thermal Energy Storage Systems
for energy efficient building an integrated solution for residential
building energy storage by solar and geothermal resources
TESSe2b - the smart energy storage 13
EXPECTED BENEFITS OF ADDING PCM
 Medium fluid temperatures within a year, with heating and cooling and PCM:
Objective for Cyprus: to consolidate fluid temperatures during cooling at a lower level, so that the heat
pump will work at a better COP

14. Thermal Energy Storage Systems
for energy efficient building an integrated solution for residential
building energy storage by solar and geothermal resources
TESSe2b - the smart energy storage 14
LEGAL AND TECHNICAL ASPECTS
 PCMs must not affect:
▪Grout (stability/permeability)
▪Ground or Groundwater

15. Thermal Energy Storage Systems
for energy efficient building an integrated solution for residential
building energy storage by solar and geothermal resources
TESSe2b - the smart energy storage 15
INVESTIGATED METHODS OF ADDING PCM
 Microencapsulated powder added to the grout
 Results:
▪35 % PCM have to be added to the grout to be effective
▪BUT stability of the grout is affected

16. Thermal Energy Storage Systems
for energy efficient building an integrated solution for residential
building energy storage by solar and geothermal resources
TESSe2b - the smart energy storage 16
INVESTIGATED METHODS OF ADDING PCM
 Macro-encapsulated PCM in tubes
 Steps:
▪Computational Fluid Dynamics (CFD) simulation to determine the best solution
▪3D numerical simulation for optimisation, comparison with common BHE
Coaxial - Interior Ring
Coaxial – Exterior Ring
Coaxial – Exterior Ring with Fins
U-Tube with surrounding tube
U-Tube with extra tubes
Double U-Tube with extra tubes

17. Thermal Energy Storage Systems
for energy efficient building an integrated solution for residential
building energy storage by solar and geothermal resources
TESSe2b - the smart energy storage 17
Demosite Location
• Location: Calonge de Segarra
• Population: 202
• Surface: 37 km2
• Surface: 150 m2
• Ownership: Municipality
• Tenants: 3 members

18. Thermal Energy Storage Systems
for energy efficient building an integrated solution for residential
building energy storage by solar and geothermal resources
TESSe2b - the smart energy storage 18
Ground Floor First Floor

19. Thermal Energy Storage Systems
for energy efficient building an integrated solution for residential
building energy storage by solar and geothermal resources
TESSe2b - the smart energy storage 19

20. Thermal Energy Storage Systems
for energy efficient building an integrated solution for residential
building energy storage by solar and geothermal resources
TESSe2b - the smart energy storage 26
Solar System
PCM Storage
Geothermal System
Terminal Units
Heating Cooling

21. Thermal Energy Storage Systems
for energy efficient building an integrated solution for residential
building energy storage by solar and geothermal resources
TESSe2b - the smart energy storage 27
Radiators – Heating Cooling

22. Thermal Energy Storage Systems
for energy efficient building an integrated solution for residential
building energy storage by solar and geothermal resources
TESSe2b - the smart energy storage 28
Geothermal: 4 BHE – 360m – 40mm

23. Thermal Energy Storage Systems
for energy efficient building an integrated solution for residential
building energy storage by solar and geothermal resources
TESSe2b - the smart energy storage 29
GSHP: 14KW – Heating-Cooling - DHW

24. Thermal Energy Storage Systems
for energy efficient building an integrated solution for residential
building energy storage by solar and geothermal resources
TESSe2b - the smart energy storage 30
Solar: 10 collectors – 23m2 - South West

25. Thermal Energy Storage Systems
for energy efficient building an integrated solution for residential
building energy storage by solar and geothermal resources
TESSe2b - the smart energy storage 31
PCM Tanks – 1 DHW – 2 Cooling – 4 Heating

26. Thermal Energy Storage Systems
for energy efficient building an integrated solution for residential
building energy storage by solar and geothermal resources
TESSe2b - the smart energy storage 32
Control

27. Thermal Energy Storage Systems
for energy efficient building an integrated solution for residential
building energy storage by solar and geothermal resources
TESSe2b - the smart energy storage 33
Monitoring

28. Thermal Energy Storage Systems
for energy efficient building an integrated solution for residential
building energy storage by solar and geothermal resources
TESSe2b - the smart energy storage 34
Control

29. Thermal Energy Storage Systems
for energy efficient building an integrated solution for residential
building energy storage by solar and geothermal resources
TESSe2b - the smart energy storage 35
Dissemination

30. Thermal Energy Storage Systems
for energy efficient building an integrated solution for residential
building energy storage by solar and geothermal resources
TESSe2b - the smart energy storage 36

31. Thermal Energy Storage Systems
for energy efficient building an integrated solution for residential
building energy storage by solar and geothermal resources
TESSe2b - the smart energy storage 37

32. Thermal Energy Storage Systems
for energy efficient building an integrated solution for residential
building energy storage by solar and geothermal resources
TESSe2b - the smart energy storage 38
Resultats:

33. TESSe2b - the smart energy storage
Thank for your attention
Thermal Energy
Storage Systems
for energy efficient building an integrated solution for residential building
energy storage by solar and geothermal resources
This presentation reflects only the author‘s view and
the European Commission is not responsible for any
use that may be made of the information it contains.