11.6 Performance of Jet Engines. In Chapter 3 we represented a gas turbine engine using a Brayton cycle and derived expressions for efficiency and work as functions of the temperature at various points in the cycle.
A blood blister is a specific blister that is formed when blood vessels beneath the skin are ruptured, but the surface of the skin isnât actually broken. As a result, the body basically bleeds underneath the skin, and blood pools up beneath the skin, along with lymph and other fluids.
Quick Answer. WebMD indicates that blood blisters occur when the skin is pinched in a forceful manner and blood vessels are damaged in the process. A common injury that is known to create blood blisters is pinching a finger in a drawer.