Author name: Bhagiya Prasad

Heat transfer per unit area is a measure of the amount of heat energy that is transferred through a surface per unit area in a given time. It quantifies the rate at which heat is conducted, convected, or radiated across a specific area.  𝜌e is the density at the edge  ue is the velocity at […]

The adiabatic wall temperature (Taw) refers to the hypothetical temperature of a solid surface or wall that is assumed to be perfectly insulated or impermeable to heat transfer. This means that no heat is exchanged between the wall and the surrounding fluid.  Taw is the adiabatic wall temperature  haw is the adiabatic wall enthalpy  cp

It is a state function used to describe the total energy content of a system, including both its internal energy and the energy associated with pressure and volume changes.   Specific heat at constant pressure (cp)  The temperature at the wall (Tw)  Wall enthalpy (hw)

The decrement in mass flow due to the presence of boundary layer is known as the missing mass flow.    𝜌e is the density of edge ue is the velocity of edge 𝛿* is the height

The total decrement in momentum flow across the vertical line is known to be the missing momentum flow.  𝜌e is the density of the edge  ue is the velocity of the edge  θ is the height 

The local turbulent skin-friction coefficient is a dimensionless parameter used to quantify the effect of turbulent shear forces at a specific point on the surface of an object moving through a fluid. It characterizes the intensity of viscous forces associated with the turbulence in the boundary layer of the fluid flow.  Reynolds number at distance

The coefficient of drag (cd) for a wedge is a dimensionless parameter that quantifies the aerodynamic drag force experienced by a wedge-shaped object moving through a fluid, such as air or water. The coefficient of drag provides a way to compare the drag characteristics of different shapes and sizes of wedges under various flow conditions. 

The net skin-friction drag coefficient is a dimensionless parameter used in fluid dynamics and aerodynamics to quantify the skin-friction drag on a solid object or surface moving through a fluid. It represents the portion of drag force caused by the viscous effects of the fluid flowing along the surface of the object.  Cf is the

The Reynolds analogy is a concept in fluid dynamics that relates the heat transfer and momentum transfer characteristics of a flowing fluid. It draws an analogy between the convective heat transfer and the viscous shear stress in a fluid flow.  CH is the Stanton Number  cf is the skin-friction drag coefficient  s is the Reynolds