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Size: 1640
Comment:
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Size: 2529
Comment:
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| Deletions are marked like this. | Additions are marked like this. |
| Line 5: | Line 5: |
| ||<|3> |||| Particle || || 1 MeV || 10 MeV || || electron || proton || || Range in aluminium (mm) || 2 || 0.4 || || Peak equatorial omni-directional flux (cm--2 s--1) || 4E6 || 3.4E5 || || Radial location (L) of peak flux (Earth-radii) || 4.4 || 1.7 || ||<-3> Radius of gyration (km) || || @ 500 km || 0.6 || 50 || || @ 20000 km || 10 || 880 || ||<-3> Gyration period (s) || || @ 500 km || 1E-5 || 7E-3 || || @ 20000 km || 2E-4 || 0.13 || ||<-3> Bounce period (s) || || @ 500 km || 0.1 || 0.65 || || @ 20000 km || 0.3 || 1.7 || ||<-3> Longitudinal drift period (min) || || @ 500 km || 10 || 3 || || @ 20000 km || 3.5 || 1.1 || |
||<|3> |||| Particle || || 1 MeV || 10 MeV || || electron || proton || || Range in aluminium (mm) || 2 || 0.4 || || Peak equatorial omni-directional flux (cm^-2^ s^-1^) || 4E6 || 3.4E5 || || Radial location (L) of peak flux (Earth-radii) || 4.4 || 1.7 || ||<-3> Radius of gyration (km) || || @ 500 km || 0.6 || 50 || || @ 20000 km || 10 || 880 || ||<-3> Gyration period (s) || || @ 500 km || 1E-5 || 7E-3 || || @ 20000 km || 2E-4 || 0.13 || ||<-3> Bounce period (s) || || @ 500 km || 0.1 || 0.65 || || @ 20000 km || 0.3 || 1.7 || ||<-3> Longitudinal drift period (min) || || @ 500 km || 10 || 3 || || @ 20000 km || 3.5 || 1.1 || Constants || B_0_ Magnetic field constant || Tesla || 3.0037E-05 || || Unit charge || Colombs || 1.6021E-19 || || Joules per MeV || J/MeV || 1.6021E-13 || || Re Earth radius || m || 6378210.00 || || C Speed of Light || m/s || 2.9979E+08 || Let's compute some more numbers at 500km altitude: ||||<|2> |||| Particle || || electron || proton || || Kinetic Energy || MeV || 1 || 10 || || Kinetic Energy || J || 1.6021E-13 || || || Mass || kg || 9.1094E-31 || 1.6726E-27 || || Mass Energy || J || 8.1871E-14 || 1.5033E-10 || || Relativistic Momentum || kg m/s || 7.5991E-22 || 7.3403E-20 || || |
Characteristics of typical radiation belt charged particles
The following table appears in [1][2][3] . The gyration numbers seem to be incorrect for the 500km altitude.
|
Particle |
|
1 MeV |
10 MeV |
|
electron |
proton |
|
Range in aluminium (mm) |
2 |
0.4 |
Peak equatorial omni-directional flux (cm-2 s-1) |
4E6 |
3.4E5 |
Radial location (L) of peak flux (Earth-radii) |
4.4 |
1.7 |
Radius of gyration (km) |
||
@ 500 km |
0.6 |
50 |
@ 20000 km |
10 |
880 |
Gyration period (s) |
||
@ 500 km |
1E-5 |
7E-3 |
@ 20000 km |
2E-4 |
0.13 |
Bounce period (s) |
||
@ 500 km |
0.1 |
0.65 |
@ 20000 km |
0.3 |
1.7 |
Longitudinal drift period (min) |
||
@ 500 km |
10 |
3 |
@ 20000 km |
3.5 |
1.1 |
Constants
B_0_ Magnetic field constant |
Tesla |
3.0037E-05 |
Unit charge |
Colombs |
1.6021E-19 |
|| Joules per MeV || J/MeV || 1.6021E-13 ||
Re Earth radius |
m |
6378210.00 |
C Speed of Light |
m/s |
2.9979E+08 |
Let's compute some more numbers at 500km altitude:
|
Particle |
||
electron |
proton |
||
Kinetic Energy |
MeV |
1 |
10 |
Kinetic Energy |
J |
1.6021E-13 |
|
Mass |
kg |
9.1094E-31 |
1.6726E-27 |
Mass Energy |
J |
8.1871E-14 |
1.5033E-10 |
Relativistic Momentum |
kg m/s |
7.5991E-22 |
7.3403E-20 |
||