Uhlobo

Ifomula yokubala idatha

isihloko sengxenye
1 I-PopePERPERPERPREPREP YENDLELA NE-FED FOMULA YOKUXHUMANISA L / kg L1 = 143m / (d * d)
2 Isithuthuthu soxande nokulungisa ifomula yokuguqulwa g / l Z = (t * w-0.2146 * T2) * 8900 * 1000/1000000
3 Indawo yesigaba sesisekelo socingo olungunxande mm2 S = t * w-0.2146 * T2
4 Ifomula yokuguqulwa kwesisindo kanye nobude L / kg L2 = 274 / (d * d * 2 * imicu)
5 Ukumelana nocingo olungunxande Okwama-L R = r * l1 / s
6 Ifomula 1: Ukumelana nocingo lwe-litz Okwama-L R20 = RT × × α × 103 / l3
7 Ifomula 2: Ukumelana nocingo lwe-litz Okwama-L R2 (ω / km) ≦ R × 1.03 ÷ s × ngo × 1000
L1 Ubude (m) R1 Ukumelana (ω / m)
L2 Ubude (m / kg) r 0.00000001724 ωω * ㎡ / m
L3 Ubude (km) I-R20 Ukumelana nomqhudeli nge-1km ngo-20 ° C (ω / km)
M Isisindo (kg) Rt Ukumelana no-T (ω)
D Ububanzi (mm) αed Ukushisa okuhlangene
Z Isisindo (G / M) R2 Ukumelana (ω / km)
T Ubukhulu (mm) r Ukumelana ne-1 metret eyodwa-strand enameli
W Ububanzi (mm) s Imichilo (PCS)
S Indawo yesigaba sesigaba (MM2)