ABSTRACT
The use of infrared (IR) cameras for heat transfer coefficient measurements is discussed in this chapter. Before introducing measurement techniques using infrared thermography, the operating principles of modern IR cameras are discussed. Both steady state and transient wall temperature distributions can be obtained with an IR camera; therefore, both steady state and transient methods are presented in detail. In addition, step-by-step examples are included for each of these experiments. With these examples, the advantages and disadvantages of each method are highlighted. The IR techniques parallel the experimental methods using thermochromic liquid crystal paints, and the similarities between these experiments are discussed.
