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7/24/2019 Www.kutub.info 12234
1/10
/:
1
Musabakri1@yahoo.com
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/:
2
-
200
6-12
.
1887 .
.
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3
()
.
.
-
()
.
-
.
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4
-
1
-
..
.
.
-
-
,
.
.
0.4,
46
7/24/2019 Www.kutub.info 12234
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/:
5
.
:
5.
.
50500..
.500.
500
.1000
.
.1000
.
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6
-
-
-
.
1919(Albert Betz)
(0.593)
.
(75%
85%)
.
((Frederik.w.Lanchester1915
(Zhukovsky)
1920.
.
:
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7
-
1-
.
2-
(
).
3-
.
-4
.
-: = .1. 1 = . . = .2 . 2
v1
A1v1
v
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8
v2
A2v2
()
S
: = . = . =
:
= .= . . . (1 2)
-: = . = .
= . . 2. 1 2 _______________(1)
-:
= 12 .. 12 22 = =
1
2. . 12 22
= 12.. . . 12 22 ______(2)
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9
(1)(2):
. S .v2 . 1 2 = 12 . S. 12 22
. 1 2 = 12 1 21 + 2 = 1
21 + 2
(2):
= 14 .. 1 + 212 22=
1
4. . 13 122 + 212 23
=1
4. . . 13(1
212
+ 21 213
)
21= 1
3
1
2(1 1
32
+ 13 1
33
) =16
27
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/:
10
-: = 1627 .1
2.. . 13
1: = 12 . . 1
2 = . . 1
= 12 . . 13
-
.
=
-:
, =
=
16
27.1
2. ..13
1
2
.
.
13
=16
27= 0.593
(0.450.50)
(%75%85).
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