Page 410 - index
P. 410
Ɉɫɵ ԕɚɬɵɧɚɫɬɵ (5.56) ɮɨɪɦɭɥɚɫɵɧɚ ԕɨɣɫɚԕ
z 2
MȾ S . (5.57)
z
Ʉɪɟɫɬ \ Ⱦ ɛԝɪɵɲɵɧɚ ɛԝɪɵɥԑɚɧɧɚɧ ɤɟɣɿɧ ɢɿɧɬɿɪɟɤɬɿԙ ɪɨɥɢɝɿ (ɰɟɜɤɚ) ɤɟɥɟɫɿ
ɨɣɵԕԕɚ ɤɿɪɝɟɧɝɟ ɞɟɣɿɧ ɬɨԕɬɚɩ ɬԝɪɚɞɵ. Ʉɪɟɫɬɿԙ ԕɨɡԑɚɥɦɚɣɬɵɧ ɤԛɣɿɧ ɛɟɥɝɿɥɟɭ
(ɮɢɤɫɚɰɢɹ) ԛɲɿɧ D ɠԥɧɟ E ɞɨԑɚɥɚɪɵ ԕɨɥɞɚɧɵɥɚɞɵ. Ʉɪɟɫɬ ɬɨԕɬɚɩ ɬԝɪԑɚɧ
ɤɟɡɞɟɝɿ ɢɿɧɬɿɪɟɤɬɿԙ ɛԝɪɵɥɭ ɛԝɪɵɲɵ ɞɚɦɵɥɞɚɭ ɛΡɪɵɲɵ ɞɟɩ ɚɬɚɥɵɩ,
M Ɍ 2S M Ⱦ ԕɚɬɵɧɚɫɵɧɚɧ ɬɚɛɵɥɚɞɵ, ɟɝɟɪ (5.57) ɮɨɪɦɭɥɚɫɵɧ ɟɫɤɟɪɫɟɤ,
ɨɧɞɚ: S z 2 .
MɌ z
ɂɿɧɬɿɪɟɤɬɿԙ ɛɿɪԕɚɥɵɩɬɵ ԕɨɡԑɚɥɵɫɵɧɞɚ ԕɨɡԑɚɥɵɫ ɤɨɷɮɮɢɰɢɟɧɬɿ:
z 2 .
WȾ (5.58)
2z
ɋɨɧɵɦɟɧ, ԕɨɡԑɚɥɵɫ ɤɨɷɮɮɢɰɢɟɧɬɿ ɨɣɵԕɬɚɪɞɵԙ ɫɚɧɵɦɟɧ ɬɨɥɵԕ ɬԛɪɞɟ
ɚɧɵԕɬɚɥɚɞɵ, ɞɟɦɟɤ ɦɚɥɶɬɚ ɦɟɯɚɧɢɡɦɿɧɿԙ ɛɟɪɿɥɝɟɧ ԕɨɡԑɚɥɵɫ ɝɪɚɮɢɝɿɧ
ɠɚԙɚɞɚɧ ԕԝɪɭԑɚ ɦԛɦɤɿɧɞɿɝɿ ɚɡ ɟɤɟɧɿɧ ɤԧɪɫɟɬɟɞɿ. ɋɨɧɵɦɟɧ ԕɚɬɚɪ ɨɣɵԕɬɚɪɞɵԙ
ɟԙ ɚɡ ɫɚɧɵ ԛɲɤɟ ɬɟԙ ɠԥɧɟ ɨɣɵԕɬɚɪ ɫɚɧɵ ɲɟɤɫɿɡɝɟ ԝɦɬɵɥԑɚɧɞɚ ԕɨɡԑɚɥɵɫ
ɤɨɷɮɮɢɰɢɟɧɬɿ 1 ɦԥɧɿɧɟɧ 1 ɦԥɧɿɧɟ ɞɟɣɿɧ ԧɡɝɟɪɟɬɿɧɿ (5.58) ԧɪɧɟɝɿɧɟɧ ɤԧɪɿɧɿɩ
6 2
ɬԝɪ. Ԥɞɟɬɬɟ, ɨɣɵԕɬɚɪ ɫɚɧɵ 24-ɬɟɧ ɤԧɩ ɛɨɥɦɚɣɞɵ, ɞɟɦɟɤ ԕɨɡԑɚɥɵɫ
ɤɨɷɮɮɢɰɢɟɧɬɿ W Ⱦ | 0,458 ɲɚɦɚɫɵɧɚɧ ɚɫɩɚɣɞɵ.
Ԕɨɡԑɚɥɵɫ ɭɚԕɵɬɵ ɞɚɦɵɥɞɚɭ ɭɚԕɵɬɵɧɚɧ ɤԧɩ ɛɨɥɭ ԛɲɿɧ, ɤɟɣɛɿɪ ɤɟɡɞɟ,
ɢɿɧɬɿɪɟɝɿ (1) ɠԥɧɟ ɤɪɟɫɿ (2) ɛɿɪ ɛɚԑɵɬɬɚ ɚɣɧɚɥɚɬɵɧ ɦɚɥɶɬɚ ɦɟɯɚɧɢɡɦɿ
ɩɚɣɞɚɥɚɧɵɥɚɞɵ (88-ɫɭɪɟɬ).
88-ɫɭɪɟɬ
408
