7_laborator_fizica.pdf

Ministerul Educaţiei Tineretului şi Sportului al Republicii Moldova Universitatea Tehnică a Moldovei

REFERAT Lucrarea de Laborator nr. 7

Tema: Determinarea conductibilităţii termice a corpurilor solide

A efectuat

Studentul grupei ___________ ________________________ semnătura

A verificat __________ nota

______ data

__________________________ nume, prenume

______________ semnătura

Chisinău

________

_____________________ nume, prenume profesor

1. Scopul lucrări:

______________________________________________________

___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________

2. Aparate şi accesorii: ___________________________________________ __________________________________________________________________________ __________________________________________________________________________

3. Schema instalaţiei Unde : A ____________________ B

____________________

C

____________________

RT ____________________ TC ____________________ G ____________________

4. Formula de calcul:

unde c1 si m1 __________________________________________________ c2 si m2 ______________________________________________________ c3 si m3 ______________________________________________________ x ______________________S =__________unde D este _______________ T0 __________________________T1_______________________________ T2___________________________τ__________________________________

5. Tabela măsurărilor şi determinărilor ____________________________ data

Nr

c1

c2

c3

m1

m2

m3

x

/

D

semnătura profesorului

T0

T1

τ

λ

1

6. Exemplul de calcul

λ

= ____________________________________________________ ___________________________________________________ ____________________________________________________

7. Calculul erorilor:

∆m1 =

∆c1 =

∆T0 =

∆D =

∆m2 =

∆c2 =

∆T1 =

∆x =

∆m3 =

∆c3 =

∆T2 =

∆τ =

∆λ = ____________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________

8. Rezultatul final

λ

=

ε =

9. Concluzii _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________