3 methods of heat transfer in cooking
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
... air heater duct with
V-shaped rib roughness on absorber plate. Int. Journal of Heat and Mass Transfer 2002; 45: 33 83-
33 96.
[19] Muluwork K B. Investigations on fluid flow and heat transfer in ... Transactions of the ASME Journal of turbo machinery 1991b; 1 13: 36 7-
37 4.
[8] Hu Z. and Shen J. Heat transfer enhancement in a conversing passage with discrete ribs. Int.
Journal Heat and Mass Transfer ... heated wall in transverse, inclined, V-continuous and V- discrete
pattern. Int. Journal of Heat Mass Transfer 20 03; 30 (2): 241-250.
[17] Bhagoria J.L. and Sahu M.M. Augmentation of heat transfer...
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heat transfer in femtosecond laserprocessing of metal
Ngày tải lên :
06/05/2014, 08:53
... JETP, vol. 39 , pp. 37 5 37 7, 1974.
4. T. Q. Qiu and C. L. Tien, Heat Transfer Mechanisms during Short-Pulse Laser Heating of
Metals, ASME J. Heat Transfer, vol. 115, pp. 835 –841, 19 93.
5. T. Q. ... Thermal Lagging in Ultrafast Laser
Heating, Int. J. Heat Mass Transfer, vol. 44, pp. 1725–1 734 , 2001.
10. L S. Kuo and T. Q. Qiu, Microscale Energy Transfer during Picosecond Laser Melting of
Metal ... LASER PROCESSING OF METAL 2 23
Downloaded By: [Ingenta Content Distribution] At: 19:07 13 December 2007
Similar delays in the beginning of melting were observed during experiments on
aluminum films...
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hydrodynamics, mass, and heat transfer in chemical engineering, crc (2002) - opet
Ngày tải lên :
02/04/2014, 15:52
...
3& apos;.
Plane straining flow:
This flow can be obtained in the Taylor device, consisting of four rotating cylinders [474,475]. Note
that flow
2'
is the same as flow
3& apos;
but in ... viscosity
[41, 80, 1 63, 2 231 .
Other models and methods
of
turbulence theory.
Dimensional and similari-
ty methods are widely used in turbulence theory
[ 23, 65, 135 , 161,162, 230 , 432 1.
Under some ...
E2,
E3
of the tensor [Ek,] reduced to the principal axes
determine the intensity of tensile (or compressive) motion along the coordinate
axes. Since the fluid is incompressible, only two of...
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Ptinciples of heat transfer
Ngày tải lên :
08/04/2014, 11:00
... (a) -in. aluminum,
(b) -in. stainless steel with a 1 -in thick layer of
fiberglass insulation on the inside, and (c) of sandwich
construction with a -in thick layer of stainless
steel, a 1 -in thick ... K)
Heat transfer rate 1 W ϭ 3. 412 Btu/h 1 Btu/h ϭ 0.2 931 W
1 ton ϭ 12,000 Btu/h ϭ 35 17.2 W
Length 1m ϭ 3. 281 ft 1 ft ϭ 0 .30 48 m
ϭ 39 .37 in 1 in ϭ 0.0254 m
Mass 1 kg ϭ 2.2046 lb
m
1 lb
m
ϭ 0.4 536 ... 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 Systems 23
1.7 Thermal Insulation 45
1.8 Heat...
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- 1.2K
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methods of behavior analysis in neuroscience - jerry j. buccafusco
Ngày tải lên :
08/04/2014, 12:37
... exposure.
2. No within group difference in responding when training drug vs. vehicle injection
precedes CS exposure in the unconditioned control group (3 vs. 4 in Table 3. 3). A
difference resulting from ... strains to traumatic brain injury: Implications for gene
targeting approaches to neurotrauma, Journal of Neurotrauma, 16, 37 7, 1999.
26
28
30
32
34
36
38
40
42
Time on rotarod (sec)
C
0 1 2 3 7 ... as an intriguing learning capability. A limited number of TAP and
TAR subjects may be provided to other interested researchers in the future.
FIGURE 3. 5
The selective breeding of strains of taste...
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heat transfer in femtosecond laser
Ngày tải lên :
06/05/2014, 08:55
... JETP, vol. 39 , pp. 37 5 37 7, 1974.
4. T. Q. Qiu and C. L. Tien, Heat Transfer Mechanisms during Short-Pulse Laser Heating of
Metals, ASME J. Heat Transfer, vol. 115, pp. 835 –841, 19 93.
5. T. Q. ... Thermal Lagging in Ultrafast Laser
Heating, Int. J. Heat Mass Transfer, vol. 44, pp. 1725–1 734 , 2001.
10. L S. Kuo and T. Q. Qiu, Microscale Energy Transfer during Picosecond Laser Melting of
Metal ... PROCESSING OF METAL 229
HEAT TRANSFER IN FEMTOSECOND LASER
PROCESSING OF METAL
Ihtesham H. Chowdhury and Xianfan Xu
School of Mechanical Engineering, Purdue University,
West Lafayette, Indiana,...
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- 1
molecular dynamics simulation of heat transfer and phase change during
Ngày tải lên :
06/05/2014, 08:55
... Study of Light-to -heat Absorption
Mechanism in atomic Systems," International Journal of Heat
and Mass Transfer, 41, pp. 839 -849.
3. Häkkinen, H., and Landman, U., 19 93, "Superheating, ... which is higher than the melting
point, indicating superheating at the melting front.
9
10
11
12
13
14
15
16
0 5 10 15 20 25 30
Solid-liquid Interface
Liquid-vapor Interface
z (nm)
Time (ps)
(a)
... are
obtained. First, during picosecond laser heating, the heat
transfer process predicted using the continuum approach agrees
with the result of the MD simulation. Second, when melting
happens,...
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molecular dynamics simulation of heat transfer and phase change during
Ngày tải lên :
06/05/2014, 08:57
... the melting interface region. The temperature in
this flat region is around 90 K, which is higher than the melting
point, indicating superheating at the melting front.
9
10
11
12
13
14
15
16
0 ... the increase of the
atomic kinetic energy in laser heating, atoms vibrate more in the
crystal region, causing a lower peak of the number density of
atoms and a wide distribution. As laser heating ... of
predicting the heating process induced by a picosecond laser
pulse.
Laser Induced Phase Change
In this section, various phenomena accompanying phase
change in an argon target illuminated...
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- 0
molecular dynamics simulation of heat transfer and phase change during
Ngày tải lên :
06/05/2014, 08:59
... Study of Light-to -heat Absorption
Mechanism in atomic Systems," International Journal of Heat
and Mass Transfer, 41, pp. 839 -849.
3. Häkkinen, H., and Landman, U., 19 93, "Superheating, ... the melting interface region. The temperature in
this flat region is around 90 K, which is higher than the melting
point, indicating superheating at the melting front.
9
10
11
12
13
14
15
16
0 ... the increase of the
atomic kinetic energy in laser heating, atoms vibrate more in the
crystal region, causing a lower peak of the number density of
atoms and a wide distribution. As laser heating...
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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
... 29
Throttling Process 29
Summary 30
CHANGE OF PHASE 31
Classification of Properties 31
Saturation 33
Saturated and Subcooled Liquids 33
Quality 34
Moisture Content 35
Saturated and Superheated Vapors 35
Constant ... 35
Saturated and Superheated Vapors 35
Constant Pressure Heat Addition 35
Critical Point 36
Fusion 36
Sublimation 37
Triple Point 37
Condensation 38
Summary 39
PROPERTY DIAGRAMS AND STEAM TABLES 41
Property ... water,
inches of mercury, millimeters of mercury, and microns of mercury. Conversion factors are listed
below.
14.7 psia = 408 inches of water
14.7 psia = 29.9 inches of mercury
1 inch of mercury...
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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
... the heat is being transferred.
Convection involves the transfer of heat by the mixing and motion of
macroscopic portions of a fluid.
Radiation, or radiant heat transfer, involves the transfer of ... 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 of heat by the mixing and ... 31
Non-Regenerative Heat Exchanger 34
Regenerative Heat Exchanger 34
Cooling Towers 35
Log Mean Temperature Difference Application to Heat Exchangers 36
Overall Heat Transfer Coefficient 37
Summary 39
BOILING HEAT...
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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
... 25
Application of Bernoulli’s Equation to a Venturi 27
Summary 30
HEAD LOSS 31
Head Loss 31
Friction Factor 31
Darcy’s Equation 32
Minor Losses 34
Equivalent Piping Length 34
Summary 36
NATURAL CIRCULATION ... engineering
design of systems, it is very useful in understanding the operation of systems and predicting the
approximate response of fluid systems to changes in operating parameters.
The basic principles of ... points in the container to increase by the same amount. Since the
pistons all have the same cross-sectional area, the increase in pressure will result in the forces
on the pistons all increasing...
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mass and heat transfer analysis of mass contactors and heat exchangers (cambridge series in chemical engineering)
Ngày tải lên :
02/04/2014, 15:52
... Batch Heat Exchanger 68
3. 3.2 Semibatch Heat Exchanger 68
3. 3.2.1 Mixed–Mixed Fluid Motions 69
3. 3.2.2 Mixed–Plug Fluid Motions 72
3. 3 .3 Continuous-Flow Tank-Type Heat Exchangers 74
3. 3 .3. 1 Mixed–Mixed ... K
m
Estimation 31 3
7 .3 Tubular Contactors 31 6
7 .3. 1 Cocurrent Area Estimation 31 6
7 .3. 2 Cocurrent K
m
Estimation 31 8
7 .3. 3 Countercurrent Area Estimation 31 8
7 .3. 4 Countercurrent K
m
Estimation 32 0
Nomenclature ... Technically Feasible Design of a Countercurrent Mass Contactor 33 5
8 .3 Analysis of a Pilot-Scale Bioreactor 34 5
Nomenclature 35 3
References 35 4
Problems 35 4
Index 36 3
...
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Developments in Heat Transfer Part 3 docx
Ngày tải lên :
19/06/2014, 10:20
... energy, heat is transferred to
the product through the shelf, by acting on the temperature of the fluid flowing in the
coil inserted in the shelf.
3. Secondary drying: when the sublimation of the ... above,
the use of global methods is strongly suggested for large scale apparatus.
4. Heat transfer in bulk and vials freeze-drying
In the following the influence of processing conditions, ... reported in Table 2) and trays made of stainless steel or polystyrene. In case of freeze-
drying in vials, it was also investigated the effect of various loading configurations (e.g.
comparing the...
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