example of heat transfer through conduction convection and radiation
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
... Nusselt number (heat transfer
coefficient) as a function of roughness and flow parameters in the form of repeated ribs. In order to
understand the mechanism of heat transfer through a roughened ... Aharwal K.R. Gandhi B.K. and Saini J.S. “Investigation of heat transfer and friction using inclined
discrete ribs on absorber plate of a solar air heater” 19th National & 8th ISHMT-ASME Heat & ... Glicksman LR and Rosenow WM. Investigation of heat transfer and friction for rib-
roughened surfaces, Int. Journal of Heat & Mass Transfer 1978; 21: 1143-1156.
[4] Webb R.L., Eckert E.R.G. and Goldstein...
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- 831
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molecular dynamics simulation of heat transfer and phase change during
Ngày tải lên :
06/05/2014, 08:55
... 375-
377.
5. Kotake, S., and Kuroki, M., 1993, "Molecular Dynamics
Study of Solid Melting and Vaporization by Laser Irradiation,"
International Journal of Heat and Mass Transfer, 36, pp. ... 30
Melting
Evaporation
Rate of Depth (m/s)
Time (ps)
(b)
Figure 10. (a) Depths of the solid melted and vaporized, and (b)
rate of melting and evaporation in argon illuminated with a laser
pulse of 0.7 J/m
2
. ... Shibahara, M., and Kotake, S., 1998, "Quantum
Molecular Dynamics Study of Light-to -heat Absorption
Mechanism in atomic Systems," International Journal of Heat
and Mass Transfer, 41,...
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molecular dynamics simulation of heat transfer and phase change during
Ngày tải lên :
06/05/2014, 08:57
... absorption. Häkkinen and
Landman [3] studied dynamics of superheating, melting, and
annealing at the Cu surface induced by laser beam irradiation
using the two-step heat transfer model developed ...
Proceedings of NHTC'01
35th National Heat Transfer Conference
Anaheim, California, June 10-12, 2001
NHTC2001-20070
MOLECULAR DYNAMICS SIMULATION OF HEAT TRANSFER AND PHASE CHANGE ...
surface of the target by scaling velocities of atoms in cells on
the top surface, and the same amount of heat flux is dissipated
from the bottom of the target by scaling velocities of atoms...
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- 429
- 0
molecular dynamics simulation of heat transfer and phase change during
Ngày tải lên :
06/05/2014, 08:59
... 375-
377.
5. Kotake, S., and Kuroki, M., 1993, "Molecular Dynamics
Study of Solid Melting and Vaporization by Laser Irradiation,"
International Journal of Heat and Mass Transfer, 36, pp. ... Shibahara, M., and Kotake, S., 1998, "Quantum
Molecular Dynamics Study of Light-to -heat Absorption
Mechanism in atomic Systems," International Journal of Heat
and Mass Transfer, 41, ... 30
Melting
Evaporation
Rate of Depth (m/s)
Time (ps)
(b)
Figure 10. (a) Depths of the solid melted and vaporized, and (b)
rate of melting and evaporation in argon illuminated with a laser
pulse of 0.7 J/m
2
....
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- 394
- 0
Tài liệu Báo cáo khoa học: Roles of heat shock factors in gametogenesis and development pptx
Ngày tải lên :
18/02/2014, 04:20
... over-expres-
sion of Hsp60 and Hsp70 and exhibit abnormal mor-
phology in correlation with increased proliferation,
premature differentiation and elongation, inhibition of
denucleation and of loss of organelles ... transcriptional
regulator of Ssty2, Sly and Slx, because the loss of
HSF2 results in down-regulation of the levels of Ssty2
and Sly mRNA species, but in the up-regulation of
Slx mRNA. Recently, ... molecular basis of incorrect pairing of
sister chromatids and of the lack of integrity of the
synaptonemal complex in Hsf2
) ⁄ )
spermatocytes is a
pending question [62].
Role of HSF1 in the quality...
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Ptinciples of heat transfer
Ngày tải lên :
08/04/2014, 11:00
... 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 ... 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
inside control ... heat is transferred
by convection and radiation in parallel. Hence, the rate of heat flow to the interior
surface of the wall is the sum of the two heat flows
(1.36)
where T
g
= temperature of the...
- 784
- 1.2K
- 0
Convection and Conduction Heat Transfer Part 2 ppt
Ngày tải lên :
19/06/2014, 10:20
... time for the lowest
38
Convection and Conduction Heat Transfer
Convection and Conduction Heat Transfer
24
Re = 10, d = 1
t
2468101214
NU
5
10
15
20
25
30
Heater 1
Heater 2
Re = 100, d ... (left) and temperature profile (right) along DE for A = 1.0
with Ra
= 1.50 ì 10
6
.
46
Convection and Conduction Heat Transfer
Convection and Conduction Heat Transfer
22
Gr=10
3
-Heater1
1 ... heat transfer and a period with intensive heat transfer for each aspect ratio. The weak
heat transfer corresponds to the day time condition when the heat transfer is dominated
by conduction and...
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- 0
Convection and Conduction Heat Transfer Part 3 pdf
Ngày tải lên :
19/06/2014, 10:20
...
Convection and Conduction Heat Transfer
68
R
i
= 0.1
R
i
= 1
R
i
= 5
R
i
= 10
Fig. 7. Contours of streamlines and isotherms at Re=400, A=1.0 and γ=60°
Convection and Conduction ... the ratio of Grashof number and the square of the Reynolds number, which
represents the ratio of buoyancy force and inertia force, and which stands in for the
contribution of natural convection. ... volume increases with
Convection and Conduction Heat Transfer
56
Forced convection is often encountered by engineers designing or analyzing heat
exchangers, pipe flow, and flow over flat plate...
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- 0
Convection and Conduction Heat Transfer Part 4 pdf
Ngày tải lên :
19/06/2014, 10:20
... Journal of
Heat and Mass Transfer, Vol. 42, pp. 2571-2581.
Moschandreau, T. & Zamir, M. (1997). Heat transfer in a tube with pulsating flow and
constant heat flux, International Journal of Heat ... analysis of
heat transfer in laminar pulsating flow, International Journal of Heat and Mass
Transfer, vol. 45, pp. 1767-178.
Lee, B.S.; Kang, L.S. & Lim, H.C. (1999). Chaotic mixing and mass transfer ... submitted to low frequencies
(
05
f
Hz≤≤ ) and the amplitude of pulsation
τ
do not exceed 0.7. The number of time steps
Convection and Conduction Heat Transfer
86
0u
=
=v ;
W
TT
=
. (7)...
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- 0
Convection and Conduction Heat Transfer Part 5 doc
Ngày tải lên :
19/06/2014, 10:20
... Kulacky, F. A. (1984), Convective heat transfer in a rectangular porous cavity.
Effect of aspect ratio on flow structure and heat transfer,
ASME Journal of Heat
Transfer
, Vol. 106, pp. 158-65. ... Forsyth.
Bejan, A. (2004),
Convection Heat Transfer John Wiley & Sons, New Jersey.
Convection and Conduction Heat Transfer
126
Fig. 14. A comparison of cross-sections quantities. ... areas occur at high temperatures and the knowledge of
radiation heat transfer becomes very important for the design of pertinent equipments. The
effects of thermal radiation on hydromagnetic boundary...
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- 0
Convection and Conduction Heat Transfer Part 6 pdf
Ngày tải lên :
19/06/2014, 10:20
... equation of heat conduction (also known as the equation of Fourier-
Kirchhoff). Its most compact form is as follows:
Convection and Conduction Heat Transfer
144
the lower left part of the ...
cr
λ
of birch wood
with
b
515
ρ
= kg.m
-3
and
fsp
0,30u
=
kg.kg
-1
depending on t and u
Convection and Conduction Heat Transfer
146
Chamkha, A. J. (2000). Thermal radiation and buoyancy ... on the law of change and the values of the
temperature and humidity of the heating or cooling medium, etc. (Deliiski, 2004, 2009).
The correct and effective control of the heating and cooling...
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- 0
Convection and Conduction Heat Transfer Part 7 ppt
Ngày tải lên :
19/06/2014, 10:20
... S., Perre, P. (1988). Detailed Study of a Model of Heat and Mass Transfer
During Convective Drying of Porous Media,
International Journal of Heat and Mass
Transfer
, Volume 31, № 5, pp. 297-310 ... Radiative-Conductive Heat Transfer
in a Heterogeneous Gray Plane-Parallel Participating Medium
Convection and Conduction Heat Transfer
174
9. Conclusion
This paper describes the creation and solution of ... volume of the bodies is described only by one partial differential
equation of heat conduction. For the first time the own specific heat capacity of the bodies
and the specific heat capacity of...
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Convection and Conduction Heat Transfer Part 8 pot
Ngày tải lên :
19/06/2014, 10:20
... conductivities of
PTFE and carbon – the impact of the contact area between carbon fibers and the spatial
Convection and Conduction Heat Transfer
226
Assuming that the structure of the GDL ... the application of X-ray computed tomography (CT)
where a 3D image of an object is determined by digital processing of a large series of two-
Convection and Conduction Heat Transfer
228 ... of heterogeneous materials (section 2.1) and considering the
contact area between fibers consisting of PTFE and carbon, both extreme cases – parallel
heat flux through carbon and PTFE and heat...
- 30
- 312
- 0
Convection and Conduction Heat Transfer Part 9 doc
Ngày tải lên :
19/06/2014, 10:20
...
development of theoretical approach is needed to understand heat transfer processes and to
analyze experimental data on thermal properties of soils and rocks from a common point of
view.
Convection ... Estimating the Thermal Conductivity of Sediments (in
Russian),
Proceedings of 1st Conference of Russian Geocryologists, Book 2, Part 1,
Convection and Conduction Heat Transfer
248
Fig. 7. ... changes of ice crystals occur continuously throughout the winter.
The thermodynamic processes in snowpack result in a multi-branch openwork structure of
Convection and Conduction Heat Transfer...
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Convection and Conduction Heat Transfer Part 10 pptx
Ngày tải lên :
19/06/2014, 10:20
... application of
numerical techniques. Several numerical methods have been used in engineering and
Convection and Conduction Heat Transfer
278
Marmor, JB. (1979) Interactions of hyperthermia and ... gene therapy using
Convection and Conduction Heat Transfer
274
hsp70 obtained strong prevention of tumor growth, complete regression of tumors, and the
induction of systemic antitumor ... current status of
development of various approaches: report of an international Atomic Energy
Agency Meeting.
Int J Radiat Oncol Biol hys 64:551–561.
Convection and Conduction Heat Transfer...
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- 0
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