example of heat transfer by 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
... 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, ... 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 R. J. Heat transfer ... Journal of Heat and Mass
Transfer1 999; 42: 1597-1615.
[16] Karwa R, Experimental studies of augmented heat transfer and friction in asymmetrically heated
rectangular ducts with ribs on the heated...
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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 ... Combined Heat Transfer Systems
In the preceding sections the three basic mechanisms of heat transfer have been
treated separately. In practice, however, heat is usually transferred by several of the
basic ... 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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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 ... stimulate some of its
activities because of better substrate availability is not
yet known. The partial restoration of proteasome
activities by Hsps contrasts with the lack of effect
induced by NAC. ... Hsp27(C137A) mutant is characterized by the sub-
stitution of the unique cysteine residue of Hsp27 by an
alanine residue, and is unable to protect against cell
death induced by different agents, including...
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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
... protein) of YYY49 and YYT42 con-
tained approximately 1 and 2 ng of hHSF2, and those of YYT50 and
YYT17 contained approximately 0.01 and 0.1 ng of hHSF4, as
judged by the intensity of each band. ... the folding of damaged proteins, and
increased accumulation of HSPs is essential for sur-
vival of cells exposed to protein-damaging stresses,
including heat shock. The structure of HSF comprises
a ... generation,
Keywords
crystallin; heat shock element; heat shock
protein; heat shock response; heat shock
transcription factor
Correspondence
H. Sakurai, Department of Clinical
Laboratory Science,...
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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
... effect of Hsp27-3D on the heat-
induced aggregation of F-actin. (A) F-actin (1.0 mgặmL
)1
) was
heated at a constant rate of 1 Cặmin
)1
in the absence (curve 1) or
in the presence (curves 2–4) of ... that, upon heating, thermal unfolding of
F-actin is accompanied by formation of stable, solu-
ble complexes of Hsp27-3D with denatured actin that
contain roughly equal quantities of denatured ... Institute of Biochemistry, Russian Academy of Sciences, Moscow, Russia
2 School of Bioengineering and Bioinformatics, Moscow State University, Russia
3 Department of Biochemistry, School of Biology,...
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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...
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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
... 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 heat by electromagnetic
radiation that arises ... 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 ... or
molecules of a material through which 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, ...
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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
... is used by engineers in reference to pressure. It is a reference
to the height, typically in feet, of a column of water that a given pressure will support. Each of
the energies possessed by a fluid ... all of its kinetic energy were converted to potential energy. The
pressure head represents the flow energy of a column of fluid whose weight is equivalent to the
pressure of the fluid.
The sum of ... characteristic of viscous (thick) fluid or is
one in which viscosity of the fluid plays a significant part.
Turbulent Flow
Turbulent flow is characterized by the irregular movement of particles of the...
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Báo cáo khoa học: A strategy for the generation of specific human antibodies by directed evolution and phage display An example of a single-chain antibody fragment that neutralizes a major component of scorpion venom docx
Ngày tải lên :
23/03/2014, 13:20
... Cn2 is one of the most
abundant and toxic components of C. noxius venom
(6.8% of total venom; LD
50
ẳ 0.25 lg per 20 g of
mouse weight) [13]. Clone 3F was matured by three
cycles of directed ... effects of Cn2 or the whole
venom in mice. Groups of 10–20 female mice (CD1 strain)
were injected with a mix of scFv and toxin Cn2 or venom.
One or two LD
50
(0.25–0.5 lg per 20 g of mouse weight) of
Cn2 ... phage.
The bound phage-antibodies were recovered by the addition
of 1 mL of TG1 cells of a mid-log phase (A
600
ẳ 0.7) cul-
ture [23,42]. After four rounds of panning, single phage-
antibody clones...
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Báo cáo khoa học: Structural basis of charge transfer complex formation by riboflavin bound to 6,7-dimethyl-8-ribityllumazine synthase docx
Ngày tải lên :
30/03/2014, 15:20
... facilitates the
formation of a unique tetrade comprising of a pair of
riboflavins with an antiparallel staggering of their isoallox-
azine moieties, sandwiched by the indole groups of the
symmetry-related ... steps of catalysis [9]. The orientation
of H94 var ies according to the bound ligand but is nearly
independent of the nature of residue 27. In the case of the
two substrate analogue complexes of ... superpositions of the a mino acid residues
in the a ctive s ite of t he A. aeolicus enzymewith the ones of the
wild-type and th e mutant e nzyme of S. pombe in Fig. 8
shows t hat t he phenyl ring of residue...
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