5 examples of heat transfer by convection
An experimental investigation of heat transfer and fluid flow in a rectangular duct with inclined discrete ribs
Ngày tải lên :
05/09/2013, 16:10
... Journal of Heat and Mass
Transfer1 999; 42: 159 7-16 15.
[16] Karwa R, Experimental studies of augmented heat transfer and friction in asymmetrically heated
rectangular ducts with ribs on the heated ... Journal of Heat Mass Transfer 2003; 30(2): 241- 250 .
[17] Bhagoria J.L. and Sahu M.M. Augmentation of heat transfer coefficient by using 900 broken
transverse ribs on absorber plate of solar air heater, ... reserved.
9 95
0
5
10
15
20
25
30
35
40
45
50
024681012
Y-directional distance (mm)
Total turbulence intensity (%)
g/e = 0 .5
g/e = 1.0
g/e = 1 .5
g/e = 2.0
Parameters
e/D = 0.037
d/W = 0. 25
Angle =...
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Ptinciples of heat transfer
Ngày tải lên :
08/04/2014, 11:00
... Remarks 52 5
References 52 7
Problems 52 9
Design Problems 53 9
Chapter 9 Heat Transfer by Radiation 54 0
9.1 Thermal Radiation 54 1
9.2 Blackbody Radiation 54 3
9.3 Radiation Properties 55 5
9.4 The ... Basic Modes of Heat Transfer 2
1.1 The Relation of Heat Transfer to Thermodynamics 3
1.2 Dimensions and Units 7
1.3 Heat Conduction 9
1.4 Convection 17
1 .5 Radiation 21
1.6 Combined Heat Transfer ... A,
and thickness of Fig. 2.2 can be stated as follows:
rate of heat conduction rate of heat conduction
into control volume out of control volume
+=+ (2.1)
rate of heat generation rate of energy storage...
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- 1.2K
- 0
molecular dynamics simulation of heat transfer and phase change during
Ngày tải lên :
06/05/2014, 08:55
...
0.00
0. 25
0 .50
0. 75
1.00
1. 25
t =5 ps
0.00
0. 25
0 .50
0. 75
1.00
1. 25
t=10 ps
/m
3
)
0.00
0. 25
0 .50
0. 75
1.00
1. 25
t= 15 ps
of Atoms (10
29
0.00
0. 25
0 .50
0. 75
1.00
1. 25
t=20 ps
Number ... ps
50
52
54
56
MD simulation
Finite Difference
t= 15 ps
Temperature (K)
50
52
54
56
MD simulation
Finite Difference
t=20 ps
50
52
54
56
MD simulation
Finite Difference
t= 25 ps
50
52
54
56
MD ... ps
Number Density
0.00
0. 25
0 .50
0. 75
1.00
1. 25
t= 25 ps
0.00
0. 25
0 .50
0. 75
1.00
1. 25
3 5 7 9 11 13 15 17
t=30 ps
z (nm)
Figure 6. Distribution of number density of atoms at different
times...
- 10
- 505
- 0
molecular dynamics simulation of heat transfer and phase change during
Ngày tải lên :
06/05/2014, 08:57
... ps
50
52
54
56
MD simulation
Finite Difference
t= 15 ps
Temperature (K)
50
52
54
56
MD simulation
Finite Difference
t=20 ps
50
52
54
56
MD simulation
Finite Difference
t= 25 ps
50
52
54
56
MD ...
0.00
0. 25
0 .50
0. 75
1.00
1. 25
t =5 ps
0.00
0. 25
0 .50
0. 75
1.00
1. 25
t=10 ps
/m
3
)
0.00
0. 25
0 .50
0. 75
1.00
1. 25
t= 15 ps
of Atoms (10
29
0.00
0. 25
0 .50
0. 75
1.00
1. 25
t=20 ps
Number ... ps
Number Density
0.00
0. 25
0 .50
0. 75
1.00
1. 25
t= 25 ps
0.00
0. 25
0 .50
0. 75
1.00
1. 25
3 5 7 9 11 13 15 17
t=30 ps
z (nm)
Figure 6. Distribution of number density of atoms at different
times...
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- 0
molecular dynamics simulation of heat transfer and phase change during
Ngày tải lên :
06/05/2014, 08:59
... ps
50
52
54
56
MD simulation
Finite Difference
t= 15 ps
Temperature (K)
50
52
54
56
MD simulation
Finite Difference
t=20 ps
50
52
54
56
MD simulation
Finite Difference
t= 25 ps
50
52
54
56
MD ...
0.00
0. 25
0 .50
0. 75
1.00
1. 25
t =5 ps
0.00
0. 25
0 .50
0. 75
1.00
1. 25
t=10 ps
/m
3
)
0.00
0. 25
0 .50
0. 75
1.00
1. 25
t= 15 ps
of Atoms (10
29
0.00
0. 25
0 .50
0. 75
1.00
1. 25
t=20 ps
Number ... ps
Number Density
0.00
0. 25
0 .50
0. 75
1.00
1. 25
t= 25 ps
0.00
0. 25
0 .50
0. 75
1.00
1. 25
3 5 7 9 11 13 15 17
t=30 ps
z (nm)
Figure 6. Distribution of number density of atoms at different
times...
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Tài liệu Art of Surface Interpolation-Chapter 5:Solving special tasks In the next sections there are examples of interpolation problems, ppt
Ngày tải lên :
21/01/2014, 07:20
... 2339 .51 1 -2246 W-01
837.871 2270 .59 5 -2 250 W-02
428.004 2118. 255 -2271 W-03
859 .634 1878.863 -2272 W-04
181. 357 151 9.776 -2292 W- 05
1940 .52 5 2187.171 -2277 W-06
2738.498 2292. 358 -2 255 W-07
... map of the new snow thickness is obtained (see figure 5. 5b).
Fig. 5. 5b: Thickness of the new snow layer.
It is obvious from figure 5. 5b that snow also increased outside the assumed boundary of ... W-07
2981 .51 7 23 75. 783 -2238 W-08
3344.232 9 35. 8 05 -2338 W-09
2121.882 812.481 -2317 W-10
493.292 50 0 .54 7 -2309 W-11
151 9.776 1733.777 -2267 W-12
3663.421 2143.6 45 -2264 W-13
2999. 652 2172.662...
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- 0
Tài liệu Báo cáo khoa học: Analysis of oxidative events induced by expanded polyglutamine huntingtin exon 1 that are differentially restored by expression of heat shock proteins or treatment with an antioxidant ppt
Ngày tải lên :
19/02/2014, 06:20
... presence of 50 m m dithiothreitol.
Ten microliters of each sample lysate was transferred into
each of two eppendorf tubes and treated for 15 min with
either 10 lL of the 1· DNPH solution or 10 lL of ... degradation
machines of the cell. Trends Biochem Sci 19, 377–382.
23 Bence NF, Sampat RM & Kopito RR (2001) Impair-
ment of the ubiquitin-proteasome system by protein
aggregation. Science 292, 155 2– 155 5.
24 ... et al. (2004) Inhibition of mTOR induces autophagy
and reduces toxicity of polyglutamine expansions in fly
and mouse models of Huntington disease. Nat Genet 36,
58 5 59 5.
20 DiFiglia M, Sapp E,...
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Báo cáo khoa học: Differential recognition of heat shock elements by members of the heat shock transcription factor family ppt
Ngày tải lên :
07/03/2014, 00:20
... 20
WT
n 159
n 355
n217
n178
A
I186P
L140P
159
178
217
355
VP16
493
HR-A/BDBD
VP16
VP16
VP16
VP16
VP16
VP16
Fold activation
0
493
493
C
B
240
100
140
70
1 75
62
83
47 .5
n 355
WT
n217
n178
L140P
n 159
I186P
32 .5
25
D
3P ... hHSF4 differentially
recognize various HSEs in mammalian cells.
yHSF
hHSF4
45 15 0 45 15 0 45 15 0 45 15 0
hHSF2
45 15 0
YCp YEp YCp YEp
C
HSP42
HSP78
Gap
3P
4P
control
Step
CPR6
HSP10 ... segment. Nucleic Acids Res 26,
258 0– 258 5.
33 Zuo J, Rungger D & Voellmy R (19 95) Multiple layers
of regulation of human heat shock transcription
factor 1. Mol Cell Biol 15, 4319–4330.
34 Fujimoto...
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- 0
Báo cáo khoa học: Small heat shock protein Hsp27 prevents heat-induced aggregation of F-actin by forming soluble complexes with denatured actin docx
Ngày tải lên :
16/03/2014, 06:20
... control
unheated Hsp27-3D and Hsp27-3D heated to 70 °C, both at a con-
centration of 0 .5 mgặmL
)1
. Curves 37 correspond to Hsp27-3D
(1 mgặmL
)1
) heated in the presence of 0. 25, 0 .5, 1.0, 2.0 ... F-actin (0 .5 mgặmL
)1
) was heated at
a constant rate of 1 Cặmin
)1
in the presence of Hsp27-3D
(0.1 25 mgặmL
)1
), and R
h
was plotted as a function of temperature.
(B) After being heated to 85 °C, ... of
a small heat shock protein. Nature 394, 59 5 59 9.
8 Jakob U, Gaestel M, Engel K & Buchner J (1993) Small
heat shock proteins are molecular chaperones. J Biol
Chem 268, 151 7– 152 0.
9 Ganea...
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doe fundamentals handbook - thermodynamics, heat transfer, and fluid flow - volume 1 of 3
Ngày tải lên :
17/03/2014, 15:00
... types of latent heat. The first is the latent heat of fusion. This
is the amount of heat added or removed to change phase between solid and liquid. The second
type of latent heat is the latent heat ... ENERGY, WORK, AND HEAT
Another type of heat is called latent heat. Latent heat is the amount of heat added to or removed
from a substance to produce a change in phase. When latent heat is added, ... different magnitudes by the addition of heat. When a given
amount of heat is added to different substances, their temperatures increase by different amounts.
The ratio of the heat (Q) added to or...
- 138
- 1.5K
- 0