We have made an experimental set-up to measure thermal conductivity of oil. Experimental setup is designed in such a way that the accuracy it obtain is kept at the same level, while the cost of the experimentation is reduced to 1/10th of other equivalent model available in market. Modifications done are in positioning of the thermocouple, mass flow rate of the water through the water jacket and its arrangement, the design and placement of heater, the positioning oil pocket for oil, use of less costly and widely available material, etc.

1. 1
EXPERIMENTAL
DETERMINATION OF THERMAL
CONDUCTIVITY OF OIL
PRESENTED BY
NAME EXAM NO
SAMUEL ALEXANDER 122
MISTRY SANDIP S. 177
KULKARNI KRUNAL L. 176
BOMRAH NAVJOT SINGH 196
PROJECT ON

2. 2
OBJECTIVE
To design, fabricate and
calibrate a experimental set
up for the determination of
the thermal conductivity of
oil.

3. 3
OVERVIEW
 Development Phase
 Assembly of unit.
 Heater unit
 Inner and outer pipe
 Thermocouple
 Water jacket Unit
 Experimental Phase
 Determination of oil gap
 Experimentation with air
 Actual experimentation
 Analytical Phase
 Determination of incidental heat transfer
 Determination of thermal conductivity of oil
 Uncertainty analysis
 Results & Discussion

4. 4
DEVELOPMENT PHASE

5. EXPERIMENT ASSEMBLY
5
THERMOCOUPLEWATER JACKET
WATER OUTLET
STAND
WATER INLET
HEATER
INNER PIPE
OUTER PIPE

6. SCHEMATIC OF THE SET UP
6

7. 7
HEATER UNIT

8. INNER AND OUTER PIPE
8
OUTER
PIPE
INNER
PIPE

9. THERMOCOUPLE
9

10. WATER JACKET

11. 11
EXPERIMENTAL PHASE

12. DETERMINATION OF OIL GAP
12
Filling of oil
Drain of oil for
determination of oil gap

13. 13
 Supply water at constant flow rate.
 Starting the heater.
 Adjust voltage.
 Allow the setup to reach steady state.
 Measure the temperature.
 Measure resistance.
EXPERIMENTAL PROCEDURE

14. EXPERIMENTION WITH AIR LAMINA
14
JUNCTION BOX
JUNCTION BOARD
VARIAC
MULTIMETER
REFERENCE JUNCTION

15. FILLING OF OIL
15

16. EXPERIMENTATION WITH OIL
16

17. MEASURING TEMPERATURE
17

18. 18
ANALYTICAL PHASE

19. OBSERVATION TAKEN
19
INPUT QUANTITIES
V,R
OBSERVATIONS
CALCULATION
Q,ΔT,Qloss ,Qoil
INNER RING
TEMPERATURE
(ti)
OUTER RING
TEMPERATURE
(to)
koil

20. 20
OBTAIN INCIDENTAL HEAT TRANSFER
 Heat input (Q) =
 Determine kair at
 Heat conducted through the air lamina
Qair =
 Incidental heat transfer
Qloss = Q - Qair

21. 21
OBTAIN THERMAL CONDUCTIVITY OF OIL
 Heat input (Q) =
 Qloss from the calibration curve at given
 Heat conducted through oil
Qoil = Q - Qloss
 Thermal conductivity of oil
koil =

22. UNCERTAINTY ANALYSIS
 Objective is to determine the influence of error
on key measurement parameter.
22
T
1%
V
-
R
-
OBSERVATION Koil
1.4%

23. RESULTS AND DISCUSSION
23
INCIDENTAL HEAT TRANFER CURVE

24. RESULTS AND DISCUSSION
24
ACTUAL THERMAL CONDUCTIVITY OF OIL CURVE
koilv/s dt

25. 25
PHOTO GALLERY

26. PHOTO GALLERY
26
SET UP USED FOR DEEP
DRILLING
DRILLED HOLES

27. PHOTO GALLERY
27
Assembly for leakage test Assembly for oil gap test

28. PHOTO GALLERY
28
CHECKING LEAKAGE THROUGH OIL RING

29. PHOTO GALLERY
29
Machining of water jacket and flanges

30. 30