S= |
Økl
lsD'kuy ,fj;k oxZ fe-eh- |
I= |
QkYV
djaV ,Eihvj |
t= |
czsdj
dk vkWijsfVax Vkbe |
k= |
;g
QsDVj dUMDVj ds eVsfj;y] bUL;wys'ku] rFkk izkjafEHkd o vafre rkiØe
ij fuHkZj djrk gS A |
k= |
√[{Qc(B+
20)÷δ20}Ln{ 1+(θf-θi)÷(B+θi)} |
kcopper= |
226×√[Ln{
1+(θf-θi)÷(B+θi)} |
kalumi= |
148×√[Ln{
1+(θf-θi)÷(B+θi)} |
kLead= |
42×√[Ln{
1+(θf-θi)÷(B+θi)} |
ksteel= |
78×√[Ln{
1+(θf-θi)÷(B+θi)} |
Qc= |
dUMDVj
eVsfj;y dh okWY;wesfVz~d ghV dsiSflfV twYl izfr fMxzh
ls-xzs-D;wfcd fe-eh- |
δ20= |
dUMDVj
eVsfj;y dh bysfDVz~dy jftfLVfoVh 20 fMxzh ls-xzs- ij |
B= |
dUMDVj
dk VsEizspj dks&bfQf'k;UV dk jsflizksdy~ 'kwU; fMxzh ls-xzs-ij |
θf= |
dUMDVj
dk vafre rkidze |
θi= |
dUMDVj
dk izkjafEHkd rkidze |