Transient Thermohydraulic Heat Pipe Modeling:Incorporating THROHPUT into the C SAR Environment

throhput Capabilities: Modeled Phenomena
 Radial and Axial Convection
 Radial and Axial Conduction
 Mass & Heat Transfer at Wick Surface
 Surface Tension (Capillary Pressure) via separate gas and liquid pressures
 Liquid Recession into the Wick
 Pooling into the Core
 Axial Diusion and Eusion

throhput Capabilities: Numerical Models
 Main Equation Set
{ Area-Averaged Navier Stokes Equations
{ Fully-Implicit Transient Solution via a Newton Iteration
 Auxiliary Models
{ Parabolic Radial Temperature Distribution
{ Two Capillary Pressure Models
{ Radial and Axial Melt Front Propagation
{ Diusion { Dusty Gas Model
{ All auxiliary models solved implicitly with main equation set