Experiments are performed by measuring a developing thermal plume in an enclosure, that is generated by a constant heat flux annular cylinder heater, with six T-type thermocouples. An empirical correlation obtained among local Nusselt number, Fourier number, and modified Rayleigh number is Nux/Rax*1/4 = 0.00422FoL−0.893.
Issue Section:
Technical Briefs
1.
Carey
V. P.
Mollendrof
J. C.
1977
, “The Temperature Field Above a Concentrated Heat Source on a Vertical Adiabatic Surface
,” Int. J. Heat and Mass Transfer
, Vol. 20
, pp. 1059
–1067
.2.
Chu
H. S.
Churchill
S. W.
Patterson
C. V. S.
1976
, “The Effects of Heater Size, Location, Aspect Ratio, and Boundary Conditions on Two-Dimensional, Laminar, Natural Convection in Rectangular Channels
,” ASME JOURNAL OF HEAT TRANSFER
, Vol. 98
, pp. 194
–201
.3.
Ivey
G. N.
1984
, “Experiments on Transient Naturnal Convection in a Cavity
,” Journal of Fluid Mechanics
, Vol. 144
, pp. 389
–401
.4.
Jaluria
Y.
1982
a, “Buoyancy-Induced Plow Due to Isolated Thermal Sources on a Vertical Surface
,” ASME JOURNAL OF HEAT TRANSFER
, Vol. 124
, pp. 223
–227
.5.
Jaluria, Y., 1982b, “Natural Convection Flow Due to Line Thermal Sources on a Vertical Adiabatic Surface,” Heat Transfer-1982, Proceedings of the Seventh International Heat Transfer Conference, Vol. 2, Hemisphere, Washington, DC, pp. 147–152.
6.
List
E. J.
1982
, “Turbulent Jets and Plumes
,” Ann. Rev. Fluid Mech.
, Vol. 14
, pp. 189
–212
.7.
Moffat, R. J., and Ortega, A., 1986, “Buoyancy Induced Forced Convection,” Heat Transfer in Electric Equipment—1986, ASME HTD, Vol. 57, pp. 135–144.
8.
Ortega, A., and Moffat, R. J., 1985, “Heat Transfer from an Array of Simulated Electronic Components: Experimental Results for Free Convection With and Without a Shrouding Wall,” Heat Transfer in Electronic Equipment—1985, ASME HTD, Vol. 48, pp. 5–15.
9.
Ortega, A., and Moffat, R. J., 1986, “Buoyancy-Induced Convection in Nonuniformly Heated Array of Cubical Elements on a Vertical Channel Wall,” Heat Transfer in Electronic Equipment—1986, ASME HTD, Vol. 57, pp. 123–134.
10.
Park
K. A.
Bergles
A. E.
1987
, “Natural Convection Heta Transfer Characteristics of Simulated Microelectric Chips
,” ASME JOURNAL OF HEAT TRANSFER
, Vol. 109
, pp. 90
–96
.11.
Patterson
J. C.
Imberger
J.
1980
, “Unsteady Natural Convection in a Rectangular Cavity
,” Journal of Fluid Mechanics
, Vol. 100
, pp. 65
–86
.12.
Schladow
S. G.
Patterson
J. C.
Street
R. L.
1989
, “Transient Flow in a Side-Heated Cavity at High Rayleigh Number: Numerical Study
,” Journal of Fluid Mechanics
, Vol. 200
, pp. 121
–148
.13.
Sparrow
E. M.
Faghi
M.
1980
, “Natural Convection Heat Transfer From the Upper Plate of a Colinear, Separated Pair of Vertical Plates
,” ASME JOURNAL OF HEAT TRANSFER
, Vol. 122
, pp. 623
–629
.14.
Yewell
R.
Poulikakos
D.
Bejan
A.
1982
, “Transient Natural Convection Experiments in Shallow Enclosures
,” ASME JOURNAL OF HEAT TRANSFER
, Vol. 104
, pp. 533
–538
.15.
Zinnes
A. E.
1970
, “The Coupling of Conduction With Laminar Natural Convection From a Vertical Flate Plate with Arbitrary Surface Heating
,” ASME JOURNAL OF HEAT TRANSFER
, Vol. 92
, pp. 528
–535
.
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