Advanced Transport Phenomena: What are the assumptions for momentum applied to BL? (this is used for deriving force equation)

Question

What are the assumptions for momentum applied to BL? (this is used for deriving force equation)

Debbie Smith 447c · Accepted Answer

Steady state flow.
Density constant.
No pressure gradient in flow direction (only for flat plates, not cylinders).

What are the assumptions for momentum applied to BL? (this is used for deriving force equation)