A variety of techniques are available enabling both invasive measurement, where the
monitoring device is installed in the medium of interest, and noninvasive measurement …

Heat flux measurement is used in the field of fluid mechanics and heat transfer to quantify
the transfer of heat within systems. Several techniques are in common use, including …

The heat transfer enhancement in cooling passages with dimpled (concavity imprinted)
surface can be effective for use in heat exchangers and various hot section components …

Publisher Summary The decade of the 1950s saw great advances in heat-transfer
measurement techniques. Optical methods became popular, along with several new heat …

This study focuses on a new image processing based color capturing technique for the
quantitative interpretation of liquid crystal images used in convective heat transfer studies …

Film cooling effectiveness were studied experimentally on a cylindrical hole with a
streamwise angle of 30°, 60° and 90°, in a flat plate test facility with a zero pressure gradient …

Thermochromic liquid crystal (TLC) is used extensively as an experimental tool to determine
heat transfer coefficients. In a transient experiment, if the time at which the TLC changes …

Liquid crystals that can accurately measure temperature and are relatively stable are now
available. There are exciting new opportunities to apply these liquid crystals to the …

Surface heat transfer characteristics of a heated slot jet impinging on a semi-circular convex
surface have been investigated by using the transient heating liquid crystal technique. Free …

An experimental technique has been developed for measurement of local convection heat
transfer characteristics on rotating surfaces, utilizing thin liquid crystal surface coatings in a …