The sixth “Heat Transfer Photogallery” was sponsored by the K-22 Heat Transfer Visualization Committee for the 2001 International Mechanical Engineering Congress and Exhibition in New York last November. Seven entries were selected for publication in this special section of the ASME JOURNAL OF HEAT TRANSFER.

The purpose of publishing these photographs is to draw attention to the innovative features of optical diagnostic techniques and aesthetic qualities of thermal processes. To focus on visualization, the text is kept to a minimum and further details should be found through the listed references or directly from the authors. The photographs include: (1) thermal tuft visualization of surface-coated thermochromic liquid crystals (TLC) for detecting flow direction, (2) surface-coated TLC visualization of heat transfer augmentation by perforated fin surfaces 1, (3) two-color laser induced fluorescence (LIF) visualization for micro-scale temperature field mapping of stratified thermal layers 2,...

1.
Wang, Z., Ireland, P. T., and Jones, T. V., 1993, “An Advanced Method of Processing Liquid Crystal Colour Change Images From Transient Heat Transfer Experiments Using an Intensity History Method,” ASME Paper 93-GT-283.
2.
Kim, H. J., and Kihm, K. D., 2001, “Application of Two-Color Laser Induced Fluorescence (LIF) Technique for Temperature Mapping,” 2001 ASME IMECE, Paper No. IMECE 2001/HTD-24411.
3.
King
,
W. P.
,
Kenny
,
T. W.
,
Goodson
,
K. E.
,
Cross
,
G. L. W.
,
Despont
,
M.
,
Durig
,
U.
,
Rothuizen
,
H.
,
Binnig
,
G.
, and
Vettiger
,
P.
,
2001
, “
Atomic Force Microscope Cantilevers for Combined Thermomechanical Data Writing and Reading
,”
Appl. Phys. Lett.
,
78
, pp.
1300
1302
.
4.
Naylor
,
D.
,
Duarte
,
N.
,
Petryk
,
J.
, and
Machin
,
A. D.
,
2000
, “
Flow- and Temperature-Field Visualization of a Window with a Heated Louvered Blind
,”
Journal of Flow Visualization and Image Processing
,
7
(
3
), pp.
243
253
.
5.
Phillips
,
J.
,
Naylor
,
D.
,
Harrison
,
S. J.
, and
Oosthuizen
,
P. H.
,
2001
, “
Numerical Study of Convective and Radiative Heat Transfer from a Window Glazing with a Venetian Blind
,”
International Journal of HVAC&R Research
,
7
(
4
), pp.
383
402
.
6.
Sadhal
,
S. S.
,
Trinh
,
E. H.
, and
Wagner
,
P.
,
1997
, “
Unsteady Spot Heating of a Drop in a Microgravity Environment
,”
Microgravity Sci. Technol.
,
9
, pp.
80
85
.
7.
Tippur
,
H. V.
,
1992
, “
Coherent Gradient Sensing: A Fourier Optic Analysis and Applications to Fracture
,”
Appl. Opt.
,
31
, pp.
4428
4438
.
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