1 |
Thermal conductivity (k) |
Constant |
Variable |
Rate of heat
removal is increased in TMMHP. |
2
|
Bandwidth of condensation temperature (Water,
0oincln.)
|
Small
33.9o - 37.5
oC
|
Large
30.7o - 36.5
oC
|
Condensation takes place at higher temp. in TMMHP than in SMMHP.
|
3 |
Overall temp. difference between two ends of MHP (Water,
0oincln.) |
41.2 oC |
13.0oC |
In TMMHP is much smaller, thus enhances
cyclic order and quick heat removal. |
4 |
Temp. gradient at condenser for water |
Negative |
Positive |
Positivity at TMMHP improves capillary action. |
5
|
Time reqd. to complete cycle
(Water, 0oincln.)
|
2 min
|
1½ min
|
Because of thermal vacuum created in TMMHP.
|
6 |
h/heff (Water, 0o) |
0.93 |
1.82 |
Overall h is very high at TMMHP. |
7 |
Overall h (Water, 0oincln.) |
0.46
kW/m2. oC |
1.33
kW/m2. oC |
At TMMHP h
reaches enormously high. |
8 |
h with respect to increasing Q |
~uniform |
increasing |
Mean value of h is 3.5 times higher at
TMMHP than that of SMMHP. |