Method for making stationary heat transfer coefficient fields vi

Details Method for making stationary heat transfer coefficient fields vi Method for making stationary heat transfer coefficient fields vi

1980-03-24

1981-03-31

Downey, Mary F.

Radiation imagery chemistry: process, composition, or product th

Transfer procedure between image and image layer, image...

430341, 430422, 430434, 346 11, 73147, G03C 526, G03C 524, G01M 900, G01D 900

Patent

active

042594316

ABSTRACT:
Stationary heat transfer coefficient fields are made visible by applying a swelled photographic film (original wet film) in daylight to the article to be exposed to the flow. The wet film obtained after it is exposed to a gas flow and removed from the article, is squeezed onto an unexposed dry photographic film. The separated wet copy (latent image) is seeded with reactive gas (H.sub.2 S) to make the moisture profile visible, and is developed into a wet-copy photogram (black-and-white picture), the sharp contours of which (line equidensities, isohumids) can optionally be translated into colors, corresponding to the stationary mass transfer distribution, and with which definite heat transfer coefficients can thereby be correlated.

REFERENCES:
patent: 3774225 (1973-11-01), Kimmel et al.
patent: 3890835 (1975-06-01), Dotzer et al.

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