Method for recording stationary flow patterns at boundary surfac

Details Method for recording stationary flow patterns at boundary surfac Method for recording stationary flow patterns at boundary surfac

1975-09-11

1976-09-07

Swisher, S. Clement

Measuring and testing

Miscellaneous

G01M 100

Patent

active

039787346

ABSTRACT:
Stationary liquid flow patterns at boundary surfaces are recorded by coating the boundary surface with a layer of lacquer which can be attacked and exposing the boundary surface to a flow of liquid containing a substance which attacks the lacquer layer. In accordance with the preferred embodiments a photo-resist lacquer is sprayed onto the surfaces and etching substance dissolved in a liquid which is caused to flow past the boundary surface making possible a visible recording of the formation of eddies at obstacles.

REFERENCES:
patent: 3753652 (1973-08-01), Gassmann et al.
patent: 3774225 (1973-11-01), Kimmel
patent: 3787874 (1974-01-01), Urban
patent: 3890835 (1975-06-01), Dotzer
patent: 3913393 (1975-10-01), Facy

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