TRD Thermal Model

1
TRD Thermal Model

• Detailed Representation of the Thermal Resistance
  Network

2
AMS-02 TRD (4)
TRD Oktogon Tragestruktur
3
Decomposition of Octagon
4
AMS-02 TRD (2)
Schnitt durch Rohrwand Stärke 67,4 µm

Längsversteifung
Proportional- Rohrkammer Modul 16 Kapton
Röhrchen mit 6 Längs- und mehreren
Querversteifungen aus CFC Material
Querversteifung
Endstück
6
5
Network of 1 Straw Module Including Octagon Side
Panel Section
6
Material Constants
7
Thermal Coupling of Heat Source and Model Points
8
OHB Thermal Calculation
Worst Hot Case beta 75YPR -15/-20/-15
Worst Cold Case beta 0 YPR 0/0/-15
In 15 days from hot to cold (linear)
MLI eff.emissivity 0.03
Starting Temperature for the hot case from steady
state runs ( averaged over 1 orbit)
NEXT STABILIZED RUNS
9
(No Transcript)
10
(No Transcript)
11
(No Transcript)
12
(No Transcript)
13
(No Transcript)