Søren Erbs Poulsen (VIA), Karl Woldum Tordrup (VIA ...Microsoft PowerPoint - Præsentation1 Author:...
Transcript of Søren Erbs Poulsen (VIA), Karl Woldum Tordrup (VIA ...Microsoft PowerPoint - Præsentation1 Author:...
![Page 1: Søren Erbs Poulsen (VIA), Karl Woldum Tordrup (VIA ...Microsoft PowerPoint - Præsentation1 Author: cdi Created Date: 4/19/2016 1:52:48 PM ...](https://reader034.fdocuments.in/reader034/viewer/2022050304/5f6ce769a2f6921d1a79be8d/html5/thumbnails/1.jpg)
Modelling of heat storage- temperatures, efficiency and environmental impact
Søren Erbs Poulsen (VIA), Karl Woldum Tordrup (VIA) & Niels Balling (AU)
Tuesday, April 19, 2016
• A g r o u n d w ate r f lo w a n d e ne rg y t ra ns po rt m o de l
Evaluation of the potential for geological heat storage in Denmark
VIA University College, Horsens
![Page 2: Søren Erbs Poulsen (VIA), Karl Woldum Tordrup (VIA ...Microsoft PowerPoint - Præsentation1 Author: cdi Created Date: 4/19/2016 1:52:48 PM ...](https://reader034.fdocuments.in/reader034/viewer/2022050304/5f6ce769a2f6921d1a79be8d/html5/thumbnails/2.jpg)
Outline
19. apri l 2016 2
• Modellingtooland capabilities(FEFLOW)
• BTES
• BTES‐PTES hybrid storage
• ATES
• 3D temperature model for Denmark (boundary conditions)
![Page 3: Søren Erbs Poulsen (VIA), Karl Woldum Tordrup (VIA ...Microsoft PowerPoint - Præsentation1 Author: cdi Created Date: 4/19/2016 1:52:48 PM ...](https://reader034.fdocuments.in/reader034/viewer/2022050304/5f6ce769a2f6921d1a79be8d/html5/thumbnails/3.jpg)
Equations of state (FEFLOW)
19. apri l 2016 3
QthS s q
eKq
0
0
fhf
ATcTctTc fbb qDI bλ
![Page 4: Søren Erbs Poulsen (VIA), Karl Woldum Tordrup (VIA ...Microsoft PowerPoint - Præsentation1 Author: cdi Created Date: 4/19/2016 1:52:48 PM ...](https://reader034.fdocuments.in/reader034/viewer/2022050304/5f6ce769a2f6921d1a79be8d/html5/thumbnails/4.jpg)
Special features
19. apri l 2016 4
• Discrete feature elements
• Fractures (e.g. chalkaquifers)
• Water wells
• Separate BHE models
• Subdomain energy/fluid/solute budgets
• Model calibration (PEST)
• Application Programming Interface (API)
![Page 5: Søren Erbs Poulsen (VIA), Karl Woldum Tordrup (VIA ...Microsoft PowerPoint - Præsentation1 Author: cdi Created Date: 4/19/2016 1:52:48 PM ...](https://reader034.fdocuments.in/reader034/viewer/2022050304/5f6ce769a2f6921d1a79be8d/html5/thumbnails/5.jpg)
BTES
![Page 6: Søren Erbs Poulsen (VIA), Karl Woldum Tordrup (VIA ...Microsoft PowerPoint - Præsentation1 Author: cdi Created Date: 4/19/2016 1:52:48 PM ...](https://reader034.fdocuments.in/reader034/viewer/2022050304/5f6ce769a2f6921d1a79be8d/html5/thumbnails/6.jpg)
Temperature measurementsBrædstrup
19. apri l 2016 6
Insulationz[m]
0
PT100 probes
BTES
![Page 7: Søren Erbs Poulsen (VIA), Karl Woldum Tordrup (VIA ...Microsoft PowerPoint - Præsentation1 Author: cdi Created Date: 4/19/2016 1:52:48 PM ...](https://reader034.fdocuments.in/reader034/viewer/2022050304/5f6ce769a2f6921d1a79be8d/html5/thumbnails/7.jpg)
Operational data
19. apri l 2016 7
Manifold temperatures
Soiltemperatures atz = 1 m (purple), 14, m (blue), 44 m (red), og 51 m (green)
![Page 8: Søren Erbs Poulsen (VIA), Karl Woldum Tordrup (VIA ...Microsoft PowerPoint - Præsentation1 Author: cdi Created Date: 4/19/2016 1:52:48 PM ...](https://reader034.fdocuments.in/reader034/viewer/2022050304/5f6ce769a2f6921d1a79be8d/html5/thumbnails/8.jpg)
BTES FEM‐model
19. apri l 2016 8
TRT estimate
λ = 1.42 W/m/K
c = 1.9 MJ/m3/K
Estimateλ andc for eachlayer
![Page 9: Søren Erbs Poulsen (VIA), Karl Woldum Tordrup (VIA ...Microsoft PowerPoint - Præsentation1 Author: cdi Created Date: 4/19/2016 1:52:48 PM ...](https://reader034.fdocuments.in/reader034/viewer/2022050304/5f6ce769a2f6921d1a79be8d/html5/thumbnails/9.jpg)
Model validationPredicted and observed energy balance
19. apri l 2016 9
Lag λ [W/m/K] c [MJ/m3/K]
0 – 3m 2.27 2.03
3m – 9m 1.39 2.27
9m – 20m 1.63 1.75
20m – 26m 1.48 2.15
26m – 41m 1.75 1.94
41m – 70m 2.44 1.86
Reducesenergy balance errorfrom12.5% til 4.0%
Tordrup, K. W., Poulsen, S. E., Bjørn, H., 2016. Model analysis of operational data from pilot borehole thermal energy storage in Brædstrup, Denmark: calibration, validation and upscaling, Renewable Energy (review).
Scaleeffect! TRT scale‐> pilot scale‐> fullscale(?)
Geophysicalmappingto investigatescaleeffect?
![Page 10: Søren Erbs Poulsen (VIA), Karl Woldum Tordrup (VIA ...Microsoft PowerPoint - Præsentation1 Author: cdi Created Date: 4/19/2016 1:52:48 PM ...](https://reader034.fdocuments.in/reader034/viewer/2022050304/5f6ce769a2f6921d1a79be8d/html5/thumbnails/10.jpg)
PTES-BTES hybrid storage
![Page 11: Søren Erbs Poulsen (VIA), Karl Woldum Tordrup (VIA ...Microsoft PowerPoint - Præsentation1 Author: cdi Created Date: 4/19/2016 1:52:48 PM ...](https://reader034.fdocuments.in/reader034/viewer/2022050304/5f6ce769a2f6921d1a79be8d/html5/thumbnails/11.jpg)
19. apri l 2016 11Titel på præsentationen
![Page 12: Søren Erbs Poulsen (VIA), Karl Woldum Tordrup (VIA ...Microsoft PowerPoint - Præsentation1 Author: cdi Created Date: 4/19/2016 1:52:48 PM ...](https://reader034.fdocuments.in/reader034/viewer/2022050304/5f6ce769a2f6921d1a79be8d/html5/thumbnails/12.jpg)
19. apri l 2016 12Titel på præsentationen
PTES
![Page 13: Søren Erbs Poulsen (VIA), Karl Woldum Tordrup (VIA ...Microsoft PowerPoint - Præsentation1 Author: cdi Created Date: 4/19/2016 1:52:48 PM ...](https://reader034.fdocuments.in/reader034/viewer/2022050304/5f6ce769a2f6921d1a79be8d/html5/thumbnails/13.jpg)
BTES
BTESBTES
BTES
BTESBTES
Boundarycondition
PTES
CoupleFEFLOW with PTES model via API
![Page 14: Søren Erbs Poulsen (VIA), Karl Woldum Tordrup (VIA ...Microsoft PowerPoint - Præsentation1 Author: cdi Created Date: 4/19/2016 1:52:48 PM ...](https://reader034.fdocuments.in/reader034/viewer/2022050304/5f6ce769a2f6921d1a79be8d/html5/thumbnails/14.jpg)
ATES
![Page 15: Søren Erbs Poulsen (VIA), Karl Woldum Tordrup (VIA ...Microsoft PowerPoint - Præsentation1 Author: cdi Created Date: 4/19/2016 1:52:48 PM ...](https://reader034.fdocuments.in/reader034/viewer/2022050304/5f6ce769a2f6921d1a79be8d/html5/thumbnails/15.jpg)
19. apri l 2016 Titel på præsentationen 15
![Page 16: Søren Erbs Poulsen (VIA), Karl Woldum Tordrup (VIA ...Microsoft PowerPoint - Præsentation1 Author: cdi Created Date: 4/19/2016 1:52:48 PM ...](https://reader034.fdocuments.in/reader034/viewer/2022050304/5f6ce769a2f6921d1a79be8d/html5/thumbnails/16.jpg)
Deep low‐enthalpy reservoirs
Reservoir simulations
Poulsen, S. E., Balling, N., Nielsen, S. B., 2015. A parametric study of thermal recharge of low enthalpy geothermal reservoirs, Geothermics, 53, pp. 464–478.
![Page 17: Søren Erbs Poulsen (VIA), Karl Woldum Tordrup (VIA ...Microsoft PowerPoint - Præsentation1 Author: cdi Created Date: 4/19/2016 1:52:48 PM ...](https://reader034.fdocuments.in/reader034/viewer/2022050304/5f6ce769a2f6921d1a79be8d/html5/thumbnails/17.jpg)
Heat transport in fractured chalk
19. apri l 2016 17
![Page 18: Søren Erbs Poulsen (VIA), Karl Woldum Tordrup (VIA ...Microsoft PowerPoint - Præsentation1 Author: cdi Created Date: 4/19/2016 1:52:48 PM ...](https://reader034.fdocuments.in/reader034/viewer/2022050304/5f6ce769a2f6921d1a79be8d/html5/thumbnails/18.jpg)
3D temperature model for Denmark (boundaryconditions)
19. apri l 2016 18
Poulsen, S. E., Balling N., Bording, T. S., Mathiesen, A., Nielsen, S. B., 2016. Regional-scale subsurface temperature modelling with inverse calibration methodology: application to Danish sedimentary basins, Geothermics (submitted).
![Page 19: Søren Erbs Poulsen (VIA), Karl Woldum Tordrup (VIA ...Microsoft PowerPoint - Præsentation1 Author: cdi Created Date: 4/19/2016 1:52:48 PM ...](https://reader034.fdocuments.in/reader034/viewer/2022050304/5f6ce769a2f6921d1a79be8d/html5/thumbnails/19.jpg)
Use of modelling
• Parameter studies• Storage efficiency estimation
• Long‐term predictions• The impact of storage temperatures and geology/lithology on the subsurfacetemperature distribution
• Measurement strategy (where and when?)
19. apri l 2016 19