Prędkość dzwięku |
|
|
Vp=Vo*(273+t/273)^0,5 |
|
|
t= |
24 |
C |
Vo= |
331 |
m/s |
Vp= |
345,24301044878 |
m/s |
|
|
|
Aluminium |
|
|
Prędkość dzwieku w materiale |
|
|
Vm=Vp*L/l |
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|
L= |
0,988 |
m |
l= |
0,071 |
m |
Va= |
4804,22668061119 |
m/s |
Moduł Younga |
|
|
E=Vm^2*d |
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|
da= |
2720 |
kg/m^3 |
Ea= |
62779215676,4543 |
N/m^2 |
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|
|
Mosiądz |
|
|
Prędkość dzwieku w materiale |
|
|
Vm=Vp*L/l |
|
|
|
|
|
L= |
0,97 |
m |
l= |
0,1 |
m |
Vm= |
3348,85720135316 |
m/s |
Moduł Younga |
|
|
E=Vm^2*d |
|
|
dm= |
8550 |
kg/m^3 |
Em= |
95886920945,7198 |
N/m^2 |
|
|
|
Stal |
|
|
Prędkość dzwieku w materiale |
|
|
Vm=Vp*L/l |
|
|
|
|
|
L= |
0,995 |
m |
l= |
0,0675 |
m |
Vm= |
5089,13770957831 |
m/s |
Moduł Younga |
|
|
E=Vm^2*d |
|
|
dm= |
7700 |
kg/m^3 |
Em= |
199424784228,3 |
N/m^2 |
|
|
|
Badanie błędu |
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|
dVp=Vo*1/(2*(273+t/273)^0,5)*(t/273)*dt |
|
|
dt= |
1 |
C |
dVp= |
14,5494505494506 |
m/s |
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|
|
dVm/Vm=(1)*(dVp/Vp)+(1)*(dL/L)+(-1)*(dl/l) |
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|
dVm/Vm= |
0,057239288873976 |
|
|
|
|
dEa/Ea=(2)*(dVm/Vm)+(1)*(dD/D) |
|
|
dEa/Ea= |
0,121831518924422 |
|