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ECO balloonPierrick Duvoisin
Lenzburg 12. Nov. 2016
Summary
o Normal balloon VS ECO balloon
o What is an ECO balloon
o IR study
o Proof of concept
o Light weight basket
o Composite floor
o Mechanical study
o Energy balance
Status of Evolution
Balloon since 1960 ECO balloon
What is an ECO balloon
Double skin to cut convectionCONVECTION
What is an ECO balloon
Nanonmetric Aluminium layer
PVD Physical Vapor Deposition
Aluminium target in PVD equipment SEM : imagery taken at CMI EPFL
RADIATION
Infrared analysis
How to prevent losses?
Double skin/ ALU coating
Aluminium shield on NOMEX
3 layers of flock Soupape
Radiation thermal losses
Fluidic analysisThermal convection losses
Thermal measurement
Sampling each 1sec
Measurement between
inner skin and outer skin
T1= out parachute
T2= in parachute
T3= Out panel
T4= in panel
Real time recording
ECO balloon first generation
ECO balloon 2nd generation HB-QWC
Proof of concept
Bench mark between 2 types of ECO balloon
Flock
MLT (Multi Layers Technology) Balloon Concept design
Safety Failure of innerskin
Light weight basket Mechanical Study
Composite floor
PMI foam
Multi composite layer
Titanium insert
Dyneema / Carbone
Titanium load frame
Light weight basket Mechanical Study
> Stress study on upper frame
> Mesh on composite floor
> 3D mesh
Energy balance vs invest.
0
5000
10000
15000
20000
25000
30000
35000
1 50100150200250300350400450500
Ballonnormal
BallonECO
Break event of ECO balloon
After how many flights my balloon is a good deal?
Nb.Heuresdevol
Prixd'unballonnormalen
CHF
Surcoûtd'un
ballonECO50%
0 16'230 16'230
1 16'230 16'23050 16'230 16'230
100 16'230 16'230200 16'230 16'230
250 16'230 16'230400 16'230 16'230 26'000
GainsurlegaznonbrûléenCHF
0
653250
650013'000
16250parité
An ECO balloon is about 50%
more expensive
Energy balance
Typedeballons ConsommationenKg/h EnergieenkWh DiffusionW/m2 KgdeCo2émisparheure
Ballonnormal 32 394 600 91ECOballon 12 148 225 34NewECOBallon 8 99 150 22
Nb.Heuresdevol
Economied'énergieenkWhBallonstandardvsECO
ballon
Equivalent
ménageschaufféssur1
année KgdeCo2économisé
1 295 68
50 14'750 5 3'40715'000 4'425'000 1475 1'022'175
If all the Swiss pilots were flying ECO balloons we could save the energy of
1475 houses !
4 time less of energy is needed if you fly with an ECO balloon vs normal balloon !
Thanks for your attention
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