The 22nd Heat Transfer Photogallery was sponsored by the K-22 Heat Transfer Visualization Committee for the 2016 Summer Heat Transfer Conference (SHTC) held in Washington, DC, on July 10–14, 2016. Twenty entries in total were submitted into the Photogallery session and the peer-reviewed evaluation conducted by both the participants and selected HTD K-22 Technical Committee members has identified the 13 final entries for publication in this ASME Journal of Heat Transfer February issue of 2017.
The purpose of publishing these entries is to draw attention to the innovative features of visualization techniques and esthetic qualities of heat and mass transport phenomena. To focus on visualization images and schematics for each entry, the text is kept to a minimum and further details should be found directly from the authors. Our wish is that the journal readers enjoy viewing these collections, acquire knowledge of the state-of-the-art visualization techniques, and also promote their participation in the future Photogallery sessions in the SHTC and ASME-IMECE conferences.