Page 139 - index
P. 139
o oo o
ɋɨɧɞɵԕɬɚɧ ɛԝɥ ɬɟԙɞɿɤɬɟɝɿ ɚ H u r ɲɚɦɚɫɵɧ ɚɣɧɚɥɭ Οɞɟɭɿ ɞɟɩ ɚɬɚɩ, wɚɣɧ
ɫɢɦɜɨɥɵɦɟɧ ɛɟɥɝɿɥɟɣɦɿɡ, ɹԑɧɢ
o oo (67)
ɚ ɚɣɧ H u r .
o oo o
Ⱥɥ ɚɨɫɶ Z u v ɲɚɦɚɫɵɧ ɨɫɶɤɟɬɚɪɬΙɵɲ Οɞɟɭ ɞɟɩ ɚɬɚɩ, ɚɨɫɶ ɫɢɦɜɨɥɵɦɟɧ
ɛɟɥɝɿɥɟɣɦɿɡ, ɹԑɧɢ
o oo (68)
ɚ ɨɫɶ Z u v .
ɇԛɤɬɟɧɿԙ ɚɣɧɚɥɭ ԛɞɟɭɿ ɛԝɪɵɲɬɵԕ ԛɞɟɭɞɿԙ ɨɫɿ ɚɪԕɵɥɵ ԧɬɟɬɿɧ ɠɚɡɵԕɬɵԕԕɚ
ɩɟɪɩɟɧɞɢɤɭɥɹɪ ɛɚԑɵɬɬɚɥԑɚɧ. Ɉɧɵԙ ɦɨɞɭɥɿ:
ɚ ɚɣɧ H r sin(MOQ) h1 H . (69)
ɋɨԙԑɵ ɮɨɪɦɭɥɚɞɚԑɵ h1 – M ɧԛɤɬɟɫɿɧɟɧ ɛԝɪɵɲɬɵԕ ԛɞɟɭɝɟ ɞɟɣɿɧɝɿ ɟԙ
ɠɚԕɵɧ ɚɪɚԕɚɲɵԕɬɵԕ.
oo
ɇԛɤɬɟɧɿԙ ɨɫɶɤɟɬɚɪɬԕɵɲ ԛɞɟɭɿ Z ɠԥɧɟ v ɜɟɤɬɨɪɥɚɪɵ ɠɚɬԕɚɧ ɠɚɡɵԕɬɵԕԕɚ
ɩɟɪɩɟɧɞɢɤɭɥɹɪ ɛɚԑɵɬɬɚɥԑɚɧ. Ɉɧɵԙ ɦɨɞɭɥɿ:
ɚɨɫɶ Z v sin 900 Z v . (69)
ɋɨԙԑɵ ɮɨɪɦɭɥɚɞɚԑɵ h1 – M ɧԛɤɬɟɫɿɧɿԙ ɛԝɪɵɲɬɵԕ ԛɞɟɭɝɟ ɞɟɣɿɧɝɿ ɟԙ
ɠɚԕɵɧ ɚɪɚԕɚɲɵԕɬɵԕ.
oo
ɇԛɤɬɟɧɿԙ ɨɫɶɤɟɬɚɪɬԕɵɲ ԛɞɟɭɿ ɚɨɫɶ ɠԥɧɟ v ɜɟɤɬɨɪɥɚɪɵ ɠɚɬԕɚɧ
ɠɚɡɵԕɬɵԕԕɚ ɩɟɪɩɟɧɞɢɤɭɥɹɪ ɛɚԑɵɬɬɚɥԑɚɧ. Ɉɧɵԙ ɦɨɞɭɥɿ:
o (70)
ɚɨɫɶ Z v sin 900 Z v . Ⱥɥ, v Z h ɛɨɥԑɚɧɞɵԕɬɚɧ:
ɚ ɨɫɶ h Z 2 .
6-ɬɚɪɚɭ. ԔȺɌɌɕ Ⱦȿɇȿ ԔɈɁԐȺɅɕɋɕɇɕԘ ɀȺɅɉɕ ɌԚɊȱ
Ԕɨɡԑɚɥɵɫɬɵԙ ɤɟɡ ɤɟɥɝɟɧ ɬԛɪɿɧ ɠɚɫɚɣ ɚɥɚɬɵɧ ɞɟɧɟ – ɟɪɤɿɧ ԕɚɬɬɵ ɞɟɧɟ ɞɟɩ
ɚɬɚɥɚɞɵ. ȿɪɤɿɧ ԕɚɬɬɵ ɞɟɧɟ ԕɨɡԑɚɥɵɫɵɧɵԙ ɠɚɥɩɵ ɬԛɪɿɧ, ɹԑɧɢ ɞɟɧɟɧɿԙ
ɤɟԙɿɫɬɿɤɬɟɝɿ ԧɡ ɛɟɬɿɦɟɧ ԧɡ ɟɪɤɿɧɲɟ ԕɨɡԑɚɥɵɫɵɧ ԕɚɪɚɫɬɵɪɚɣɵԕ. Ɇԝɧɞɚɣ
ԕɨɡԑɚɥɵɫɬɵԙ ɦɵɫɚɥɵ ɪɟɬɿɧɞɟ ԑɚɪɵɲ ɤɨɪɚɛɥɿɧɿԙ, ɪɚɤɟɬɚɧɵԙ ԕɨɡԑɚɥɵɫɬɚɪɵɧ
ɤɟɥɬɿɪɭɝɟ ɛɨɥɚɞɵ.
§1. ȿɪɤɿɧ ԕɚɬɬɵ ɞɟɧɟ ԕɨɡԑɚɥɵɫɵɧɵԙ ɬɟԙɞɟɭɿ
ȿɪɤɿɧ ԕɚɬɬɵ ɞɟɧɟɧɿԙ ɤɟԙɿɫɬɿɤɬɟɝɿ ɨɪɧɵɧ ɚɧɵԕɬɚɭ ԛɲɿɧ: Oxyz
ԕɨɡԑɚɥɦɚɣɬɵɧ ɠԛɣɟɫɿ ɠԥɧɟ ԕɨɡԑɚɥɵɫɬɚԑɵ ɞɟɧɟɝɟ ɛɟɤɿɬɿɥɝɟɧ ԕɨɡԑɚɥɦɚɥɵ ɠԛɣɟ
O1x1 y1z1 ɫɢɹԕɬɵ ɟɤɿ ɤɨɨɪɞɢɧɚɬɬɚɪ ɠԛɣɟɫɿɧ ɚɥɚɣɵԕ.
137
