5 examples of heat transfer through conduction
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 ... 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 = ... 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,...
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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 ... Thermal Insulation 45
1.8 Heat Transfer and the Law of Energy Conservation 51
References 58
Problems 58
Design Problems 68
Chapter 2 Heat Conduction 70
2.1 Introduction 71
2.2 The Conduction Equation...
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Heat transfer enhancement through inner grooved copper tubes with different tube parameters
Ngày tải lên :
05/09/2013, 16:10
... inserts. Int. Comm Heat
Mass Transfer, 29(1): 45- 56.
[ 25] Yang, Y.T. and Hwang, C.Z. 2003. Calculation of turbulent flow and heat transfer in a porous-
based channel. Int. J Heat Mass Transfer, 46:771-780. ... inside microfinned helically coiled tube. Int. J Heat
Mass Transfer, 51 :169-1 75.
[42] Behabadi, M.A.A., Kumar, R. and Mohseni, S.G. 2007. Condensation heat transfer of R-134a
inside a microfin tube ... of
this paper is to present the evaluation of condensation and refrigeration heat transfer performances of two
types of mirofin tubes namely Tube A and Tube B.
International Journal of...
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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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Tài liệu Báo cáo khoa học: Structural and mechanistic aspects of flavoproteins: electron transfer through the nitric oxide synthase flavoprotein domain pdf
Ngày tải lên :
18/02/2014, 11:20
... hydroxylase. FEBS Lett 57 9,
55 82 55 88.
57 Kitazume T, Haines DC, Estabrook RW, Chen B &
Peterson JA (2007) Obligatory intermolecular electron-
transfer from FAD to FMN in dimeric P 450 BM-3.
Biochemistry ... Trans
31, 50 2 50 5.
104 Nishida CR & de Montellano PR (2001) Control of
electron transfer in nitric-oxide synthases. Swapping of
autoinhibitory elements among nitric-oxide synthase
isoforms. ... Chem 2 75, 50 52 50 58.
31 Roman LJ, Miller RT, de La Garza MA, Kim JJ &
Masters BSS (2000) The C-terminus of mouse macro-
phage inducible nitric-oxide synthase attenuates elec-
tron flow through...
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Báo cáo khoa học: Copper-containing nitrite reductase fromPseudomonas chlororaphis DSM 50135 Evidence for modulation of the rate of intramolecular electron transfer through nitrite binding to the type 2 copper center pot
Ngày tải lên :
07/03/2014, 15:20
... response of azurin from the same organism, in the
presence of nitrite. Upper trace: 400 l
M
azurin in 50 m
M
Mes buffer
pH 6.2 and 50 m
M
KCl. Lower trace: addition of 6 .5 l
M
Nir.
[nitrite] ẳ 50 m
M
.Scanrate,2mVặs
)1
.
Fig. ... Copper-containing nitrite reductase from
Pseudomonas chlororaphis
DSM 50 1 35
Evidence for modulation of the rate of intramolecular electron transfer through nitrite
binding to the type 2 copper center
Dora ... lLsamplewasused,
with % 5 lg protein. Low-pI Pharmacia standards were
used to calibrate the gel: amyloglucosidase (3 .50 ), methyl
red (3. 75) , glucose oxidase (4. 15) , soybean trypsin inhibitor
(4 .55 ), b-lactoglobulin...
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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, ... 46
Figure 14 First Law of Thermodynamics 55
Figure 15 Control Volume Concepts 56
Figure 16 Open System Control Volumes 57
Figure 17 Open System Control Volumes (Cont.) 58
Figure 18 Mulitple Control...
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doe fundamentals handbook - thermodynamics, heat transfer, and fluid flow - volume 2 of 3
Ngày tải lên :
17/03/2014, 15:00
... modes of heat transfer:
Conduction involves the transfer of heat by the interactions of atoms or molecules of a
material through which the heat is being transferred.
Convection involves the transfer ... 48
Temperature Profiles 48
Volumetric Thermal Source Strength 50
Fuel Changes During Reactor Operation 50
Summary 51
DECAY HEAT 52
Reactor Decay Heat Production 52
Calculation of Decay heat 53
Decay Heat ... represents a measure of the ability to transfer
heat through a stagnant film layer.
The overall heat transfer coefficient is the measure of the ability of a heat
exchanger to transfer heat from one...
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doe fundamentals handbook - thermodynamics, heat transfer, and fluid flow - volume 3 of 3
Ngày tải lên :
17/03/2014, 15:00
... ft
2
A
10
π
5in.
1ft
12 in.
2
0 .54 5 ft
2
Σ ˙m
inlets
Σ ˙m
outlets
˙m
12
˙m
10
˙m
8
˙m
8
˙m
12
˙m
10
(ρAv)
8
˙m
12
(ρAv)
10
v
8
˙m
12
(ρAv)
10
(ρA)
8
50 0
lbm
sec
62.4
lbm
ft
3
(0 .54 5 ft
2
)
10
ft
sec
62.4
lbm
ft
3
(0.349 ... represents the flow energy of a column of fluid whose weight is equivalent to the
pressure of the fluid.
The sum of the elevation head, velocity head, and pressure head of a fluid is called the ... in
2
1ft
2
7.78 x 10
5
lbf
Pascal’s Law
The pressure of the liquids in each of the previously cited cases has been due to the weight of
the liquid. Liquid pressures may also result from application of external...
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convective heat transfer mathematical and computational modelling of viscous fluids and porous media
Ngày tải lên :
01/04/2014, 10:51
... Table 1.3:
Comparison of f"(O) and 0(0) for Pr- 1.
m
1.00
1. 25
1 .50
1. 75
2.00
2. 25
2 .50
2. 75
3.00
3. 25
3 .50
3. 75
4.00
4. 25
4.5O
4. 75
5. 00
]0. 959 7
[ 0.9174
10.8809
I ... A~ LL, At
2i i
-1. 158 9
-1. 358 9
1 -2.1386
-0.9804 I-1 .53 56
-0.1904 1. 751 0
-1.9924 2 .56 40
-1.2620 I-0.0390
-1.48 75 2.1230
-2.3260,
-
-0.01 45
2 .51 55
Zero Wall Heat
Flux, O' (0) ...
1.2349
1.2194
1.2 050
1.19 15
1.1789
1.1670
1. 155 8
e(o)
Series (1. 65)
1 .53 35
1.48 15
1.4380
1.4010
1.3690
1.3408
1.3 157
1.2932
1.2728
1. 254 1
1.2370
1.2212
1.20 65
1.1929
1.1801...
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