เนื้อหาบทที่ 4 : หัวข้อ 4.7[.pdf]
เนื้อหาบทที่ 4 : หัวข้อ 4.7[.pdf]
เนื้อหาบทที่ 4 : หัวข้อ 4.7[.pdf]
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315 201 Physics of Matter<br />
4 43<br />
ก 4.19 eccentricity ( e ) ก 0 . 4 <br />
กก ก<br />
กก<br />
: กก ก (Perihelion)<br />
กก ก (Aphelion)<br />
: ก θ = 0 rmin<br />
r ≡ :<br />
1<br />
r<br />
( 1+<br />
ecos0)<br />
2<br />
( 1−<br />
e )<br />
( 1+<br />
e)<br />
1<br />
GM<br />
≡ =<br />
=<br />
= 1<br />
2<br />
r a<br />
a<br />
k<br />
min<br />
2<br />
( 1−<br />
e )<br />
( + e)<br />
ก r 2 ɺ θ = k …<br />
k<br />
r<br />
⎡GM<br />
⎢ 2<br />
⎣ k<br />
GM<br />
k<br />
υ ≡ r ɺ = = k ( 1+<br />
e) = ( 1 e)<br />
(E4.19_ก)<br />
P minθ<br />
⎥<br />
+<br />
min<br />
⎦<br />
ก θ = π rmax<br />
⎤<br />
r ≡ :<br />
1<br />
r<br />
( 1+<br />
ecosπ<br />
)<br />
2<br />
( 1−<br />
e )<br />
( 1−<br />
e)<br />
1<br />
GM<br />
≡ =<br />
=<br />
= 1<br />
2<br />
r a<br />
a<br />
k<br />
max<br />
2<br />
( 1−<br />
e )<br />
( − e)<br />
ก…<br />
k<br />
r<br />
⎡GM<br />
⎢ 2<br />
⎣ k<br />
GM<br />
k<br />
υ ≡ r ɺ = = k ( 1−<br />
e) = ( 1−<br />
e)<br />
(E4.19_)<br />
A<br />
maxθ<br />
กก …<br />
max<br />
⎤<br />
⎥<br />
⎦<br />
υ<br />
P<br />
υ<br />
A<br />
≡<br />
GM<br />
k<br />
GM<br />
k<br />
( 1+<br />
e)<br />
=<br />
1+<br />
e<br />
1+<br />
0.4<br />
1−<br />
e 1−<br />
0.4 3<br />
( 1−<br />
e) =<br />
=<br />
7<br />
.<br />
... . <br />
e-mail: sompo_kh@kku.ac.th