Aerodynamics

What is The Physical Significance of Grashof Number ?

http://residentholdings.com/?et_core_page_resource=et-core-unified-cached-inline-styles447 Grashof Number is a non-dimensional number used both in fluid mechanics and heat transfer. This number is frequently used in cases where natural convection is involved.  It is named after a German engineer Franz Grashof. There are many dimensionless groups or numbers available which come into play according to the respective dominant [...]