Системы топливопитания ГТД. Чигрин В.С - 14 стр.

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14
ɪɚɛɨɬɭ ɜɤɥɸɱɚɟɬɫɹ ɜɬɨɪɨɟ ɫɨɩɥɨ
2
d ɫ ɪɚɫɯɨɞɨɦ
2
G , ɬɨɝɞɚ ɫɭɦɦɚɪɧɵɣ ɪɚɫɯɨɞ
ɬɨɩɥɢɜɚ ɱɟɪɟɡ ɨɛɚ ɫɨɩɥɚ ɫɨɫɬɚɜɥɹɟɬ
21
GGG
6
.
ɇɟɞɨɫɬɚɬɤɢ ɬɚɤɢɯ ɮɨɪɫɭɧɨɤ:
– ɧɟɭɞɨɜɥɟɬɜɨɪɢɬɟɥɶɧɵɣ ɪɚɫɩɵɥ ɬɨɩɥɢɜɚ ɜ ɦɨɦɟɧɬ ɜɤɥɸɱɟɧɢɹ ɤɥɚɩɚɧɚ,
ɬɚɤ ɤɚɤ ɢɫɬɟɱɟɧɢɟ ɢɡ ɫɨɩɥɚ ɜ ɷɬɨɬ ɦɨɦɟɧɬ ɩɪɨɢɫɯɨɞɢɬ ɩɨɞ ɦɚɥɵɦ ɢɡɛɵɬɨɱɧɵɦ
ɞɚɜɥɟɧɢɟɦ;
– ɧɟɪɚɜɧɨɦɟɪɧɨɫɬɶ ɪɚɫɯɨɞɚ ɬɨɩɥɢɜɚ ɜ ɦɨɦɟɧɬ ɜɤɥɸɱɟɧɢɹ ȺɊɌ ɜ
ɮɨɪɫɭɧɤɚɯ ɜɟɪɯɧɟɣ ɢ ɧɢɠɧɟɣ ɱɚɫɬɟɣ ɬɨɩɥɢɜɧɨɝɨ ɤɨɥɥɟɤɬɨɪɚ ɢɡ-ɡɚ ɜɥɢɹɧɢɹ
ɞɚɜɥɟɧɢɹ ɫɬɨɥɛɚ ɬɨɩɥɢɜɚ ɜ ɤɨɥɥɟɤɬɨɪɟ.
Ɋɟɝɭɥɢɪɨɜɚɧɢɟ ɢɡɦɟɧɟɧɢɟɦ ɤɨɷɮɮɢɰɢɟɧɬɚ ɪɚɫɯɨɞɚ ɦɨɠɟɬ ɜɵɩɨɥɧɹɬɶɫɹ ɜ
ɞɜɭɯɫɬɭɩɟɧɱɚɬɵɯ (ɬɪɟɯɫɬɭɩɟɧɱɚɬɵɯ), ɩɥɭɧɠɟɪɧɵɯ ɮɨɪɫɭɧɤɚɯ ɢ ɜ ɮɨɪɫɭɧɤɚɯ ɫ
ɩɟɪɟɩɭɫɤɨɦ ɬɨɩɥɢɜɚ.
ɋɯɟɦɚ ɞɜɭɯɫɬɭɩɟɧɱɚɬɨɣ ɨɞɧɨɤɚɦɟɪɧɨɣ ɬɨɩɥɢɜɧɨɣ ɮɨɪɫɭɧɤɢ ɩɪɢɜɟɞɟɧɚ ɧɚ
ɪɢɫ. 9.
ȼ ɩɥɭɧɠɟɪɧɨɣ ɮɨɪɫɭɧɤɟ (ɪɢɫ. 10) ɡɚ ɫɱɟɬ ɫɦɟɳɟɧɢɹ ɩɥɭɧɠɟɪɚ ɩɨ ɦɟɪɟ
ɪɨɫɬɚ ɞɚɜɥɟɧɢɹ ɬɨɩɥɢɜɚ ɭɦɟɧɶɲɚɟɬɫɹ ɞɪɨɫɫɟɥɢɪɨɜɚɧɢɟ ɩɟɪɟɞ ɜɯɨɞɧɵɦɢ
ɤɚɧɚɥɚɦɢ ɨɫɧɨɜɧɨɝɨ ɤɨɧɬɭɪɚ ɢ ɜ ɪɚɛɨɬɭ ɜɤɥɸɱɚɸɬɫɹ ɩɨɫɥɟɞɭɸɳɢɟ
ɬɚɧɝɟɧɰɢɚɥɶɧɵɟ ɤɚɧɚɥɵ, ɱɬɨ ɩɪɢɜɨɞɢɬ ɤ ɭɜɟɥɢɱɟɧɢɸ ɤɨɷɮɮɢɰɢɟɧɬɚ ɪɚɫɯɨɞɚ
P .
Ɋɢɫ. 9. ɉɪɢɧɰɢɩ ɪɚɛɨɬɵ ɞɜɭɯɫɬɭɩɟɧɱɚɬɨɣ ɨɞɧɨɤɚɦɟɪɧɨɣ
ɰɟɧɬɪɨɛɟɠɧɨɣ ɬɨɩɥɢɜɧɨɣ ɮɨɪɫɭɧɤɢ
APT
P'
6
G
2
G
1
G
G
Ɏ
P'
c
d
11
, PG
6
G
22
, PG
Ʉɥɚɩɚɧ
ȺɊɌ
Ɋɢɫ. 10. ɉɥɭɧɠɟɪɧɚɹ ɮɨɪɫɭɧɤɚ
6
G
1
G
2
G
T
P
14
ɪɚɛɨɬɭ ɜɤɥɸɱɚɟɬɫɹ ɜɬɨɪɨɟ ɫɨɩɥɨ d 2 ɫ ɪɚɫɯɨɞɨɦ G2 , ɬɨɝɞɚ ɫɭɦɦɚɪɧɵɣ ɪɚɫɯɨɞ
ɬɨɩɥɢɜɚ ɱɟɪɟɡ ɨɛɚ ɫɨɩɥɚ ɫɨɫɬɚɜɥɹɟɬ G6 G1  G2 .
      ɇɟɞɨɫɬɚɬɤɢ ɬɚɤɢɯ ɮɨɪɫɭɧɨɤ:
      – ɧɟɭɞɨɜɥɟɬɜɨɪɢɬɟɥɶɧɵɣ ɪɚɫɩɵɥ ɬɨɩɥɢɜɚ ɜ ɦɨɦɟɧɬ ɜɤɥɸɱɟɧɢɹ ɤɥɚɩɚɧɚ,
ɬɚɤ ɤɚɤ ɢɫɬɟɱɟɧɢɟ ɢɡ ɫɨɩɥɚ ɜ ɷɬɨɬ ɦɨɦɟɧɬ ɩɪɨɢɫɯɨɞɢɬ ɩɨɞ ɦɚɥɵɦ ɢɡɛɵɬɨɱɧɵɦ
ɞɚɜɥɟɧɢɟɦ;
      – ɧɟɪɚɜɧɨɦɟɪɧɨɫɬɶ ɪɚɫɯɨɞɚ ɬɨɩɥɢɜɚ ɜ ɦɨɦɟɧɬ ɜɤɥɸɱɟɧɢɹ ȺɊɌ ɜ
ɮɨɪɫɭɧɤɚɯ ɜɟɪɯɧɟɣ ɢ ɧɢɠɧɟɣ ɱɚɫɬɟɣ ɬɨɩɥɢɜɧɨɝɨ ɤɨɥɥɟɤɬɨɪɚ ɢɡ-ɡɚ ɜɥɢɹɧɢɹ
ɞɚɜɥɟɧɢɹ ɫɬɨɥɛɚ ɬɨɩɥɢɜɚ ɜ ɤɨɥɥɟɤɬɨɪɟ.
      Ɋɟɝɭɥɢɪɨɜɚɧɢɟ ɢɡɦɟɧɟɧɢɟɦ ɤɨɷɮɮɢɰɢɟɧɬɚ ɪɚɫɯɨɞɚ ɦɨɠɟɬ ɜɵɩɨɥɧɹɬɶɫɹ ɜ
ɞɜɭɯɫɬɭɩɟɧɱɚɬɵɯ (ɬɪɟɯɫɬɭɩɟɧɱɚɬɵɯ), ɩɥɭɧɠɟɪɧɵɯ ɮɨɪɫɭɧɤɚɯ ɢ ɜ ɮɨɪɫɭɧɤɚɯ ɫ
ɩɟɪɟɩɭɫɤɨɦ ɬɨɩɥɢɜɚ.
      ɋɯɟɦɚ ɞɜɭɯɫɬɭɩɟɧɱɚɬɨɣ ɨɞɧɨɤɚɦɟɪɧɨɣ ɬɨɩɥɢɜɧɨɣ ɮɨɪɫɭɧɤɢ ɩɪɢɜɟɞɟɧɚ ɧɚ
ɪɢɫ. 9.
           G2 , P2        Ʉɥɚɩɚɧ          G
                          ȺɊɌ                                  G6

                                       G6                         G2


             G1 , P1                                              G1
                        dc

                                                      'PAPT       'PɎ

            Ɋɢɫ. 9. ɉɪɢɧɰɢɩ ɪɚɛɨɬɵ ɞɜɭɯɫɬɭɩɟɧɱɚɬɨɣ ɨɞɧɨɤɚɦɟɪɧɨɣ
            ɰɟɧɬɪɨɛɟɠɧɨɣ ɬɨɩɥɢɜɧɨɣ ɮɨɪɫɭɧɤɢ

     ȼ ɩɥɭɧɠɟɪɧɨɣ ɮɨɪɫɭɧɤɟ (ɪɢɫ. 10) ɡɚ ɫɱɟɬ ɫɦɟɳɟɧɢɹ ɩɥɭɧɠɟɪɚ ɩɨ ɦɟɪɟ
ɪɨɫɬɚ ɞɚɜɥɟɧɢɹ ɬɨɩɥɢɜɚ ɭɦɟɧɶɲɚɟɬɫɹ ɞɪɨɫɫɟɥɢɪɨɜɚɧɢɟ ɩɟɪɟɞ ɜɯɨɞɧɵɦɢ
ɤɚɧɚɥɚɦɢ ɨɫɧɨɜɧɨɝɨ ɤɨɧɬɭɪɚ ɢ ɜ ɪɚɛɨɬɭ ɜɤɥɸɱɚɸɬɫɹ ɩɨɫɥɟɞɭɸɳɢɟ
ɬɚɧɝɟɧɰɢɚɥɶɧɵɟ ɤɚɧɚɥɵ, ɱɬɨ ɩɪɢɜɨɞɢɬ ɤ ɭɜɟɥɢɱɟɧɢɸ ɤɨɷɮɮɢɰɢɟɧɬɚ ɪɚɫɯɨɞɚ P .
                             G6
                                  G2    G1




                                     PT
                       Ɋɢɫ. 10. ɉɥɭɧɠɟɪɧɚɹ ɮɨɪɫɭɧɤɚ

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