Convection g=h*A*AT h= heat transfer coefficient Important to spacecraft during launch after fairing separation Convective heat transfer is used in some pumped-liquid thermal control systems especially in manned spacecraft7 Convection • h = heat transfer coefficient • Important to spacecraft during launch after fairing separation • Convective heat transfer is used in some pumped-liquid thermal control systems, especially in manned spacecraft q = h ∗ A∗ ∆T