GEOPLASMA-CE: Knowledge exchange workshop
on workflows and standards for the calibration of Thermal Response Test devices
.
PGI-NRI experiences
in geothermal parameters
measurements
Grzegorz Ryżyński, Paweł Czarniak, Przemysław Sobótka
Polish Geological Institute - National Research Institute
PRAGUE,
15.03.2017
ENGINEERING
GEOPHYSICS
- field investigations team
ERT, SRT, GCM,
GRAV, MAG, cross-hole...
NEW! – GEOTHERMAL (TRT)
INTRODUCTION
INTRODUCTION –
geological model
GEOPHYSICS (ERT)
ENGINEERINGGEOLOGICAL
CROSS
SECTION
STABILITY CALCULATIONS (numerical modelling PLAXIS & ZSOIL)
GEOTHERMAL
INVESTIGATIONS
- since 2016 (TRT)
THERMAL RESPONSE TEST (TRT)
Model GERT produced by UBEG (purchased 2015)
mounted
on catepilar or trailer
TRT rig is planned to be used mostly for geothermal
mapping verification and for geothermal site
investigation for public and private sector projects
TRT – thermal dissipation test
Depth [m]
Temperature [C]
Thermal dissipation tests are made with HT Type 110 thermometer
TRT test performed in PGI-NRI
(not including calibration tests)
Date of
TRT test
SITE
BHE type
Borehole
BHE depth
diameter
Thermal
dissipation
test
Results
λ = 1,55
t0 = 12,54°C
W/m×K
Modernised Hotel at Single U, closed
09.2015 Miodowa St. Warsaw
loop.
Old Town
HDPE, ø = 32 mm
200 m
140 mm
not
performed
Single U, closed
Olympic Training
loop.
01.2016 Centre in Zakopane,
PE DN40, ø = 40
Sports Hall
mm
100 m
143 mm
Done
λ = 2,48
W/m×K
150 m
160 mm
Done
λ1 = 1,92
t0 = 12,64°C
W/m×K
150 m
160 mm
Done
λ2 = 2,35
t0 = 10,30°C
W/m×K
Single U, closed
loop.
New buildings of PE DN40, ø = 40
mm
Marshall Pilsudski's
09.2016
Museum in
Single U, closed
Sulejówek
loop.
PE DN40, ø = 40
mm
t0 = 6,92°C
TRT results
interpretation
WE USE PROGRAM:
INTERPRETATION WITH STANDARD METHOD
HEATING LOAD GRAPH
TRT results
interpretation
RAW DATA
Customer No.:
Temat:
5348269
Wykonanie badań TRT i profilowania
temperaturowego na 2 otworowych gruntowych
wymiennikach ciepła o głębokości 150 m każdy,
wykonywanych w ramach budowy nowego
obiektu Muzeum Józefa Piłsudskiego w Sulejówku.
(”U” rurka HDPE o średnicy 40mm).
TRT 1
Nr Badania:
Heat energy
#1 ~ E1
[MWh]
10.09.2016 09:50
1,951
Date
V1 [m3] T1 [C] T2 [C] FLOW1 [l/ h] EFFECT1 [kW]
396,05 20,94
18
1303
4,4
10.09.2016 09:40
1,95
395,83 20,96
18
1285
4,3
10.09.2016 09:30
1,949
395,61 20,91
18
1306
4,4
10.09.2016 09:00
1,947
394,96 20,92 17,97
1317
4,4
10.09.2016 08:50
1,946
394,74 20,88 17,97
1346
4,6
...
...
...
...
10.09.2016 08:30
1,945
394,31 20,99 17,94
...
...
...
1274
4,4
10.09.2016 08:20
1,944
394,09 20,87 17,92
1296
4,4
10.09.2016 08:10
1,943
393,87 20,86 17,91
1296
4,4
10.09.2016 08:00
1,943
393,66 20,82 17,91
1299
4,4
10.09.2016 07:50
1,942
393,44 20,81 17,89
1306
4,4
10.09.2016 07:40
1,941
393,22 20,83
1303
4,4
17,9
evaluation TRT data, Sulejówek
INTERPRETATION WITH STANDARD METHOD
HEATING LOAD GRAPH
Laboratory equipment:
Basic equipment for thermal parameters determination (thermal
conductivity) – devices were implemented in PGI-NRI Laboratory in 2015.
KD2PRO- Thermal Needle
TK04 – Thermal conductivity meter
equipped with half space probe
Laboratory equipment:
Basic equipment for
thermal parameters
determination (thermal
conductivity) – devices
were implemented in PGINRI Laboratory in 2015.
Currently first results of
measurements are
gathered
Date
Thermal
conductivity
Sensor type
(λ)
Temp(0)
Test
duration
Test mode
[W/(m·K)]
[°C]
[min]
19.05.2016 08:04
TR-1
3,068
20,84
5
HPM
19.05.2016 08:19
TR-1
2,832
20,82
5
HPM
19.05.2016 08:34
TR-1
3,214
20,68
5
HPM
19.05.2016 08:49
TR-1
3,045
20,54
5
HPM
...
...
...
...
...
...
20.05.2016 10:17
TR-1
1,884
20,38
5
HPM
20.05.2016 10:32
TR-1
1,882
20,42
5
HPM
20.05.2016 10:47
TR-1
1,876
20,41
5
HPM
20.05.2016 11:02
TR-1
1,875
20,39
5
HPM
Example report from  measurements
THANK YOU
FOR YOUR
ATTENTION!
Polish Geological Institute
National Research Institute