Page 124 - index
P. 124
Ȼɟɪɿɥɿɦ ɛɨɣɵɧɲɚ A ɧԛɤɬɟɫɿɧɿԙ ɠɵɥɞɚɦɞɵԑɵ ɬԝɪɚԕɬɵ ɠԥɧɟ vA 4 ɦ / ɫ .
ɋɵɪɵԕ ɩɟɧ ɤԧɥɞɟɧɟԙ ɋx ɨɫɿɧɿԙ ɚɪɚɫɵɧɞɚԑɵ ɛԝɪɵɲ D 450 ɛɨɥԑɚɧ ɤɟɡɞɟɝɿ
ɫɵɪɵԕɬɵԙ M ɧԛɤɬɟɫɿɧɿԙ ɠɵɥɞɚɦɞɵԑɵɧ ɬɚɛɭ ɤɟɪɟɤ.
Ȼɿɡɝɟ A ɧԛɤɬɟɫɿɧɿԙ ɠɵɥɞɚɦɞɵԑɵ ɛɟɪɿɥɝɟɧ, ɚɥ M ɧԛɤɬɟɫɿɧɿԙ
ɠɵɥɞɚɦɞɵԑɵɧɵԙ ɛɚԑɵɬɵ ԕɚɪɚɫɬɵɪɵɥɵɩ ɨɬɵɪԑɚɧ ɤɟɡɟԙɞɟ ɫɵɪɵԕɬɵԙ
ɛɚԑɵɬɵɧɚ ɫԥɣɤɟɫ. A ɠԥɧɟ M ɧԛɤɬɟɥɟɪɿ ɠɵɥɞɚɦɞɵԕɬɚɪɵɧɵԙ MA ɬԛɡɭɿɧɟ
ɩɪɨɟɤɰɢɹɥɚɪɵ ԧɡɚɪɚ ɬɟԙ (44-ɮɨɪɦɭɥɚɫɵɧɵΝ ɧɟɝɿɡɿɧɞɟ).
35-ɫɭɪɟɬ
o
Ȼɿɪɚԕ, vɆ ɠɵɥɞɚɦɞɵԑɵɧɵԙ MA ɬԛɡɭɿɧɟ ɩɪɨɟɤɰɢɹɫɵ vM ɲɚɦɚɫɵɧɚ ɬɟԙ,
o
ɚɥ vȺ ɠɵɥɞɚɦɞɵԑɵɧɵԙ MA ɬԛɡɭɿɧɟ ɩɪɨɟɤɰɢɹɫɵ vA cosD ɲɚɦɚɫɵɧɚ ɬɟԙ.
ɋɨɧɞɵԕɬɚɧ:
vɆ vA cosD 2,83 ɦ / ɫ .
o
ȿɧɞɿ vɆ ɲɚɦɚɫɵɧ ɝɪɚɮɢɤɚɥɵԕ ɠɨɥɦɟɧ ɚɧɵԕɬɚɣɵԕ. Ɉɥ ԛɲɿɧ, ɩɨɥɸɫ
oo o
ɪɟɬɿɧɞɟ A ɧԛɤɬɟɫɿɧ ԕɚɛɵɥɞɚɣɦɵɡ, ɫɨɥ ɤɟɡɞɟ: vM vA vMA . Ȼԝɥ ɬɟԙɞɿɤɬɟɝɿ
o
vMȺ MA ɬԛɡɭɿɧɟ ɩɟɪɩɟɧɞɢɤɭɥɹɪ.
o
Ʉɟɡ ɤɟɥɝɟɧ P ɧԛɤɬɟɫɿ ɚɪԕɵɥɵ ɛɟɥɝɿɥɿ ɛɿɪ ɦɚɫɲɬɚɛɩɟɧ vÀ ɠɵɥɞɚɦɞɵԑɵɧ
ɬԝɪԑɵɡɚɦɵɡ (36-ɫɭɪɟɬ).
36-ɫɭɪɟɬ
oo
ȿɧɞɿ pa vA ɜɟɤɬɨɪɵɧɵԙ ɨԙ ɠɚԕ ɲɟɬɿɧɟɧ MA ɬԛɡɭɿɧɟ ɩɟɪɩɟɧɞɢɤɭɥɹɪ
o oo
am ɫɵɡɵԑɵɧ ɠԛɪɝɿɡɟɦɿɡ. ɋɨɞɚɧ ɤɟɣɿɧ, pa vA ɜɟɤɬɨɪɵɧɵԙ ɫɨɥ ɠɚԕ ɲɟɬɿɧɟɧ
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