Lernkarten
1 Exakte Antworten
74 Text Antworten
51 Multiple Choice Antworten
Definition of Pressure
Pressure is the Force perpendicular to a surface per area
Pressure at sea level \(p_s =101325 N/m^2\)
Definition of density
Density is mass contained in a volume divided by that volume
Density at Sea level \(\rho_s=1.225 kg/m^3\)
0 Grad Celsius in Kelvin
273.15
speed is a ....
scalar
velocity is a .....
vector
A flow is incompressible if
\(V< ...m/s\)
100 m/s
What is an isentropic flow
An isentropic flow is adiabatic (no heat exchange) and reversible (no friction or other dissipative effects, production of entropy)
what is adiabatic
a prozess in which no heat is added or taken away
