Human Thermal Plume
by Gary S. Settles & Jason Listak
Title
Human Thermal Plume
Artist
Gary S. Settles & Jason Listak
Medium
Photograph - Photograph
Description
Portrait view of human thermal plume. In still air at room temperature the human body loses waste heat at the same rate as a 100W incandescent light bulb. This waste heat arises from the thermodynamic inefficiency of humans as heat engines. The skin is warm and convects heat to the surrounding air, which then rises due to buoyancy, creating the human thermal plume. It is invisible, but can be imaged by the schlieren optical method. Shown here is an adult male subject in silhouette portrait view and his thermal plume. The circular schlieren field-of-view shown here is provided by the 1-m-diameter parabolic mirror of the Penn State University Gas Dynamics Laboratory.
Uploaded
July 7th, 2014
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Viewed 653 Times - Last Visitor from New York, NY on 03/28/2024 at 3:46 PM
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