| Boolean | toggleStaggered | | true = staggered grid type; false = in-line |
| SI.Length | d_B | | Diameter of holes in baffles |
| SI.Length | d_o | | Outer diameter of tubes |
| SI.Length | D_i | | Inside shell diameter |
| SI.Length | D_l | | Baffle Diameter |
| SI.Length | H | | Height of baffle cut |
| SI.Length | s1 | | Tube to tube pitch parallel to baffel edge |
| SI.Length | s2 | | Tube to tube pitch perpindicular to baffel edge |
| SI.Length | S | | Baffle spacing between baffles |
| SI.Length | e1 | | Space between tubes and shell |
| Real | nes | | # of shortest connections connecting neighboring tubes |
| Real | n_RW | | # of tube rows in a window section |
| Real | n_W | | # of tubes in both the upper and lower window |
| Real | n_T | | Total # of tubes (including blind and support) |
| SI.DynamicViscosity | mu | | Upstream dynamic viscosity |
| SI.DynamicViscosity | mu_w | | Viscosity of fluid at average wall temperature |
| SI.MassFlowRate | m_flow | | Mass flow rate |