WELCOMEWELCOME
ADVANCED CONCEPTS OF THE ADVANCED CONCEPTS OF THE PROPULSION SYSTEM FOR PROPULSION SYSTEM FOR
FUTURISTIC GUN AMMUNITIONFUTURISTIC GUN AMMUNITION
GUIDED BY:GUIDED BY:
M.DEEPUM.DEEPU
LECTURERLECTURER
PRESENTED BY:PRESENTED BY:
VIVEK.T.VVIVEK.T.V
NO: 143NO: 143
SS77 M MBB
why is it needed?why is it needed?
Reached the saturation level in Reached the saturation level in
kinetic energykinetic energy
Erosion from propellantsErosion from propellants
Metal foulingMetal fouling
Powder foulingPowder fouling
Non conventional propulsion Non conventional propulsion systemssystems
Liquid gun propellantsLiquid gun propellants
Gun systemsGun systems
LIQUID GUN PROPELLANTSLIQUID GUN PROPELLANTS
Used in rocket in propulsionUsed in rocket in propulsion
Mono propellants & bi propellantsMono propellants & bi propellants
Main requirementsMain requirements
High densityHigh density
Small variation of densitySmall variation of density
Less viscosityLess viscosity
Thermal stabilityThermal stability
ADVANTAGEADVANTAGE Overcomes the projectile velocity Overcomes the projectile velocity
limitationslimitations
DISADVANTAGESDISADVANTAGES No suitable gun barrelNo suitable gun barrel
No suitable ignition systemNo suitable ignition system
Combustion instabilityCombustion instability
TRAVELLING CHARGE GUN SYSTEM
GUNGUN SYSTEMS SYSTEMS
RAIL GUNRAIL GUN
COIL GUNCOIL GUN
ELECTROTHERMAL GUNELECTROTHERMAL GUN
ELECTROTHERMAL CHEMICAL GUNELECTROTHERMAL CHEMICAL GUN
RAIL GUN
WORKING OF RAIL GUNWORKING OF RAIL GUN
CURRENT SOURCE IS CONNECTEDCURRENT SOURCE IS CONNECTED CURRENT FLOWS THROUGH THE CURRENT FLOWS THROUGH THE
RAILS &PROJECTILERAILS &PROJECTILE CREATES A MAGNETIC FIELDCREATES A MAGNETIC FIELD ACCOMPANIED WITH A LORENTZ ACCOMPANIED WITH A LORENTZ
FORCEFORCE IT ACCELERATES THE PROJECTILEIT ACCELERATES THE PROJECTILE
ADVANTAGEADVANTAGE IT OVERCOMES THE PROJECTILE IT OVERCOMES THE PROJECTILE
VELOCITY LIMITATIONSVELOCITY LIMITATIONS
DISADVANTAGESDISADVANTAGES
ARCING AT RAILS &SWITCH ARCING AT RAILS &SWITCH SURFACESSURFACES
CONTACT ERROSIONCONTACT ERROSION MELTING PROBLEMSMELTING PROBLEMS LARGE VOLUME & WEIGHTLARGE VOLUME & WEIGHT
COIL GUN
ADVANTAGEADVANTAGE
Projectile velocity of 10km/sProjectile velocity of 10km/s
DISADVANTAGESDISADVANTAGES
Erosion from hot plasmaErosion from hot plasma
Enormous weight and sizeEnormous weight and size
Electrothermal gun
Electrothermal chemical gunElectrothermal chemical gun
Uses electrical energy & chemical Uses electrical energy & chemical energyenergy
It consist of - plasma generating It consist of - plasma generating cartridgecartridge
- pulse forming network- pulse forming network
- gun barrel- gun barrel
- working fluid - working fluid
Electrothermal chemical gun
NEXT GENERATION GUN NEXT GENERATION GUN PROPELLANTSPROPELLANTS
HMXHMX
Energetic material used in high Energetic material used in high
explosiveexplosive
Less sensitive to shocksLess sensitive to shocks
HNF(Hydrazinium nitroformate)HNF(Hydrazinium nitroformate)
Used as oxidiserUsed as oxidiser
No chlorineNo chlorine
Superior performanceSuperior performance
HNF CRYSTAL
HNS(Hexanitrostilbene)HNS(Hexanitrostilbene)
Energetic materialEnergetic material
Can be used in high temperatureCan be used in high temperature
HNS CRYSTAL
CL-20CL-20
A new explosive A new explosive
It may crystallizeIt may crystallize
Superior detonation propertiesSuperior detonation properties
CL-20
CONCLUSIONCONCLUSION
Non conventional propulsion systems Non conventional propulsion systems
have not emerged.have not emerged.
Focus is on advanced solid Focus is on advanced solid
propellants.propellants.
THANK YOUTHANK YOU