SAMPE Journal - March/April 2024 - 23

Run
H1
H2
S1
C1
C2
C3
Ti1
Ti2
Ti3
Qz1
Qz2
Qz2
Qz3
Qz4
Qz5
Qz6
Qz6
Test ID
H1_10_12
H2_10_6
S1_10_6
C1_0_6
C2_10_6
C3_10_12
Ti1_0_6
Ti2_10_6
Ti3_10_12
Qz1_0_6
Qz2_0_12
Qz2_0_6
Qz3_10_12
Qz4_10_6
Qz5_10_12
Qz6_20_6
Qz6_20_12
Material
Haynes
Haynes
Steel
CFRP
CFRP
CFRP
Titanium
Titanium
Titanium
Quartz
Quartz
Quartz
Quartz
Quartz
Quartz
Quartz
Quartz
AoA
o
10
10
10
10
10
10
10
10
10
10
20
20
m˙
g/s
12
6
6
6
6
12
6
6
12
6
12
6
12
6
12
6
12
T
Pel
S
230
360
600
240
600
480
480
570
240
600
360
360
300
480/105
380
360
390
kW
500
500
500
500
500
500
500
500
500
500
500
500
500
500/700
500/600
500/700
500/600
pres
hPa
201
154
154
154
155
201
155
155
214
153
208
156
215
155/176
216/231
154/175
214/230
Table 6. Test conditions overview: test index, test ID, Material, angle-of-attack, mass flow, test time T, electrical power Pel
pressure.
ps
hPa
4.6
2.75
2.5
2.5
2.5
4.7
2.5
2.8
4.5
3.4
4.1
2.4
4.6
2.5/2.4
4.8/4.7
2.6/2.5
4.8/4.8
, reservoir pressure, static
Figure 15. Evolution of oxidation and crust detachment on flat plate samples.
5. CONCLUSIONS AND PERSPECTIVES
This paper highlights an overview of recent activities carried out at the VKI Plasmatron facility, where we actively extend our
experimental and numerical capabilities in the field of high-temperature material research.
The paper outlines the characteristics of three newly developed supersonic nozzles designed to extend the Plasmatron capabilities.
Additionally, it provides a concise overview of the outcomes from test campaigns conducted with the long conical nozzle and the
semi-elliptical nozzle. Several ongoing projects using the nozzles at VKI are in the pipeline but were not discussed in this article:
* The use of Si/SiC/C components, additively manufactured through Laser Powder Bed Fusion (L-PBF), tested in the
Plasmatron for their operational limits and oxidative properties.
* Utilize 3D printed Si/SiC/C in morphing applications. The project aims to develop a demonstrator which has the capability
to modify (morph) the test sample geometry during the operation of the Plasmatron high enthalpy flow.
* Define and implement an innovative testing strategy for the calibration and validation of ablation models.
* Develop a pressure plate to obtain, experimentally, the pressure distribution across the plate across the plate using the
semi-elliptical nozzle.
*
*
Simulation of flexible heat shield materials and microscale thermo-mechanical analysis.
Improvement of heat flux calorimeter.
www. sampe.org
MARCH APRIL 2024
|
SAMPE JOURNAL |
23

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SAMPE Journal - March/April 2024

Table of Contents for the Digital Edition of SAMPE Journal - March/April 2024

Contents
SAMPE Journal - March/April 2024 - Cover1
SAMPE Journal - March/April 2024 - Cover2
SAMPE Journal - March/April 2024 - Contents
SAMPE Journal - March/April 2024 - 2
SAMPE Journal - March/April 2024 - 3
SAMPE Journal - March/April 2024 - 4
SAMPE Journal - March/April 2024 - 5
SAMPE Journal - March/April 2024 - 6
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SAMPE Journal - March/April 2024 - 8
SAMPE Journal - March/April 2024 - 9
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SAMPE Journal - March/April 2024 - 11
SAMPE Journal - March/April 2024 - 12
SAMPE Journal - March/April 2024 - 13
SAMPE Journal - March/April 2024 - 14
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SAMPE Journal - March/April 2024 - Cover3
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