How did Ludwig Prandtl suggest the condition known as the Prandtl Condition?
Prandtl condition The Prandtl condition was suggested by the German physicist Ludwig Prandtl to identify possible boundary layer separation points of incompressible flows.
Richard Friedrich Johannes Pfeiffer Pfeiffer is remembered for his many fundamental discoveries in immunology and bacteriology, particularly for the phenomenon of bacteriolysis. In 1894 he found that live cholera bacteria could be injected without ill effects into guinea pigs previously immunised against cholera, and that blood plasma from these animals added to live cholera bacteria caused them to become motionless and to lyse. This could be inhibited by previously heating the blood plasma. He called this bacteriolysis and it became known as the Pfeiffer Phenomenon, or Isayev-Pfeiffer phenomenon.