PULSED POWER FOR INDUSTRY

1
PULSED POWER FOR INDUSTRY

• Sergey Korenev

2
Main directions

• 1. Healthcare
• sterilization and decontamination
• blood treatment
• cancer therapy
• 2. Pharmaceutical industry
• sterilization
• curing of coating materials.
• 3. Materials technologies
• produce of lubricants from Teflon
• curing.
• 4. Environmental technologies
• treatment of air
• plasma chemistry
• treatment of water.
• 5. Food industry
• food irradiation

3
Pulsed power methods

• Adiabatic beams technologies.
• Plasma technologies.
• Pulsed electrical field.

4
Adiabatic beam technologies.

• Beams electrons, X-rays
• 1. Interactions of beam with condensed matter
  presents
• ionization loses of beam 90 for kinetic energy
  lt10 MeV
• Radiation loses of beam max 10 for kinetic
  energy about 10 MeV.
• 2. Balk- Depth process of dissipation of energy.
• 3. Thermal processes in sample.
• 4. Biological effects required low energy of
  electrons on the level of few eV for destroy of
  DNA.
• 5. The produce of free radical requires the level
  of kinetic energy of electrons 10-30 eV.
• 6. Problem producing of secondary electrons in
  the depth along propagation of primary high
  kinetic energy beams.
• 7. The secondary electrons is main contribution
  to sterilization and decontamination process

5
Distribution of pulsed temperature and delivered
dose in irradiated product
The gradient of temperature on the level
100-1500oC
6
Advantages

• 1. Simple sterilization process without chemical
  changes of packaging and product.
• 2. Thermal effect and effect of shock waves.
• 3. Low cost and high efficiency
• 4. Very simple radiation safety.
• 5. Simple in the operation.
•  

7
Applications

• surface sterilization of walls, floor in
  hospitals
• compact sterilizer
• surface curing of painting, inks, drugs.
• modification of materials
• curing of polymers and epoxy
• radiation degradation of Teflon for lubricants
• destruction of toxic components
• treatment of water
• sterilization of packaging materials with
  security labels
• cancer skin therapy
• sterilization of powder components in drug
  production
• Blood irradiators.

8
The plasma systems

• 1. Produce of free radicals.
• 2. Ozone generators

9
Goals of plasma systems

• 1. Increasing of efficiency for decontamination
  and sterilization processes.
• 2. Marketable equipment.

10
Produce of free radicals

• 1.Produce of free radicals of Hydrogen Peroxide
  using discharge in wet air or in evaporated
  water.
• Simple systems with ultrasound evaporator of
  water and nanosecond corona discharge. The cost
  is about 2-25 thousand USD

11
Ozone generation

• Compact systems with high efficiency.
• Transfer to nanosecond range and decreasing of
  efficiency for produce of ozone in wet air.

12
Pulsed high voltage generators

• 10 nsec FID GmbH generator.
• 0.1-10 msec Tesla transformer generator

13
The pulsed electrical fields

• 1. Development of pulsed high voltage technique
  for forming of short rise front high voltage
  pulses without electrode system directly in area
  of treatment.
• Example accelerating structure from Linear
  Induction accelerator.
• 2. Development of pulsed high voltage generators
  with new solid state swathes.

14
Equipment

• BEAMS, PLASMA. PEF
• 1. Progress is to high in the solid state
  switches and realistic approaches for nanosecond
  pulsed generator with these switches on the
  voltage 200-500 kV and in future to 1 MV.
• Example joint project with FID for 1 MV Marx
  generator. Tests on the voltage 200 kV were very
  good.
• 2. Stable cathodes combination of carbon fiber
  and carbon nanotubes.
• 3. X-ray target.
• 4. Dose measurements in real-time with using of
  electronics from National Instruments and
  software on the basis of LabVIEW.
• 5. Effective nanosecond generators with high
  repetition.
• 6. Systems for forming of electrical field.

15
Conclusion

• 1.The capability and opportunities of pulsed
  power technology open new market.
• 2.The process for transfer of scientific results
  from Academia to Industry must be shortly. To
  need to open new government programs for it and
  it will be decrease time for approving of
  technologies and equipment by FDA.