The obtaining and properties investigation of plasma formation at pulse discharge in water aerosol
The results of investigation of electro-physical and spectral properties of the impulse discharge plasma in aerosol were represented in work. The discharge current, voltage and integral spectrum of plasma were measured. The discharge space was filmed with the help of digital camera. The plasmoids wi...
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| Zitieren: | The obtaining and properties investigation of plasma formation at pulse discharge in water aerosol / V.V. Iukhymenko, I.I. Fedirchyk, V.Ya. Chernyak, E.V. Martysh, O.A. Fedorovich, T.E. Lisitchenko, N.V. Belenok // Вопросы атомной науки и техники. — 2013. — № 1. — С. 180-182. — Бібліогр.: 2 назв. — англ. |
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irk-123456789-1092842016-11-23T03:02:35Z The obtaining and properties investigation of plasma formation at pulse discharge in water aerosol Iukhymenko, V.V. Fedirchyk, I.I. Chernyak, V.Ya. Martysh, E.V. Fedorovich, O.A. Lisitchenko, T.E. Belenok, N.V. Низкотемпературная плазма и плазменные технологии The results of investigation of electro-physical and spectral properties of the impulse discharge plasma in aerosol were represented in work. The discharge current, voltage and integral spectrum of plasma were measured. The discharge space was filmed with the help of digital camera. The plasmoids with lifetimes about 150 milliseconds in the autonomous stage after current zero were observed. Представлены результаты исследования электрофизических и спектральных свойств плазмы импульсного разряда в аэрозоле. Были измерены ток разряда, напряжение и интегральный спектр плазмы. Область разряда наблюдалась с помощью цифровой камеры. Наблюдалось появление плазмоидов с временем жизни порядка 150 мс в автономном режиме (после прекращения тока разряда). Представлені результати дослідження електрофізичних та спектральних властивостей плазми імпульсного розряду в аерозолі. Були виміряні струм розряду, напруга та інтегральний спектр плазми. Область розряду спостерігалась з допомогою цифрової камери. Спостерігалась поява плазмоїдів з часом життя близько 150 мс в автономному режимі (після припинення струму розряду). 2013 2013 Article The obtaining and properties investigation of plasma formation at pulse discharge in water aerosol / V.V. Iukhymenko, I.I. Fedirchyk, V.Ya. Chernyak, E.V. Martysh, O.A. Fedorovich, T.E. Lisitchenko, N.V. Belenok // Вопросы атомной науки и техники. — 2013. — № 1. — С. 180-182. — Бібліогр.: 2 назв. — англ. 1562-6016 PACS: 50., 52., 52.50.Dg http://dspace.nbuv.gov.ua/handle/123456789/109284 en Вопросы атомной науки и техники Національний науковий центр «Харківський фізико-технічний інститут» НАН України |
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Низкотемпературная плазма и плазменные технологии Низкотемпературная плазма и плазменные технологии |
| spellingShingle |
Низкотемпературная плазма и плазменные технологии Низкотемпературная плазма и плазменные технологии Iukhymenko, V.V. Fedirchyk, I.I. Chernyak, V.Ya. Martysh, E.V. Fedorovich, O.A. Lisitchenko, T.E. Belenok, N.V. The obtaining and properties investigation of plasma formation at pulse discharge in water aerosol Вопросы атомной науки и техники |
| description |
The results of investigation of electro-physical and spectral properties of the impulse discharge plasma in aerosol were represented in work. The discharge current, voltage and integral spectrum of plasma were measured. The discharge space was filmed with the help of digital camera. The plasmoids with lifetimes about 150 milliseconds in the autonomous stage after current zero were observed. |
| format |
Article |
| author |
Iukhymenko, V.V. Fedirchyk, I.I. Chernyak, V.Ya. Martysh, E.V. Fedorovich, O.A. Lisitchenko, T.E. Belenok, N.V. |
| author_facet |
Iukhymenko, V.V. Fedirchyk, I.I. Chernyak, V.Ya. Martysh, E.V. Fedorovich, O.A. Lisitchenko, T.E. Belenok, N.V. |
| author_sort |
Iukhymenko, V.V. |
| title |
The obtaining and properties investigation of plasma formation at pulse discharge in water aerosol |
| title_short |
The obtaining and properties investigation of plasma formation at pulse discharge in water aerosol |
| title_full |
The obtaining and properties investigation of plasma formation at pulse discharge in water aerosol |
| title_fullStr |
The obtaining and properties investigation of plasma formation at pulse discharge in water aerosol |
| title_full_unstemmed |
The obtaining and properties investigation of plasma formation at pulse discharge in water aerosol |
| title_sort |
obtaining and properties investigation of plasma formation at pulse discharge in water aerosol |
| publisher |
Національний науковий центр «Харківський фізико-технічний інститут» НАН України |
| publishDate |
2013 |
| topic_facet |
Низкотемпературная плазма и плазменные технологии |
| url |
http://dspace.nbuv.gov.ua/handle/123456789/109284 |
| citation_txt |
The obtaining and properties investigation of plasma formation at pulse discharge in water aerosol / V.V. Iukhymenko, I.I. Fedirchyk, V.Ya. Chernyak, E.V. Martysh, O.A. Fedorovich, T.E. Lisitchenko, N.V. Belenok // Вопросы атомной науки и техники. — 2013. — № 1. — С. 180-182. — Бібліогр.: 2 назв. — англ. |
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Вопросы атомной науки и техники |
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180 ISSN 1562-6016. ВАНТ. 2013. №1(83)
THE OBTAINING AND PROPERTIES INVESTIGATION OF PLASMA
FORMATION AT PULSE DISCHARGE IN WATER AEROSOL
V.V. Iukhymenko1, I.I. Fedirchyk1, V.Ya. Chernyak1, E.V. Martysh1,
O.A. Fedorovich2, T.E. Lisitchenko1, N.V. Belenok3
1Taras Shevchenko Kiev National University, Faculty of Radio Physics, Kiev, Ukraine;
2Institute for Nuclear Research, Ukrainian Academy of Sciences, Kiev, Ukraine;
3National Technical University of Ukraine “Kiev Polytechnical Institute”, Kiev, Ukraine
E-mail: yvitaliy@ukr.net
The results of investigation of electro-physical and spectral properties of the impulse discharge plasma in aerosol
were represented in work. The discharge current, voltage and integral spectrum of plasma were measured. The
discharge space was filmed with the help of digital camera. The plasmoids with lifetimes about 150 milliseconds in
the autonomous stage after current zero were observed.
PACS: 50., 52., 52.50.Dg
INTRODUCTION
Study of the pulse discharge in various environments
is the one of the priorities research in modern
plasmachemistry. One of these systems is pulsed
discharge in water aerosols. Impulse discharge in water
aerosol is often observed in experiments with electric
discharge on air-liquid border due to dispersion of liquid
drops [1, 2]. Other applications of aerosol discharge are
fuel efficiency improvement and natural long-life
plasmoid research. The observation of this phenomenon
suggests the existence of a mechanism of energy storage
in aerosol drops during discharge. This type of
discharge is promising for use in the process of fuel
reforming to improve combustion efficiency.
1. EXPERIMENTAL SET-UP FOR AEROSOL
GENERATION
Aerosol source consists of fluoroplastic cylindrical
vessel filled with water, a piezoceramic emitter
connected to ultrasonic generator and an air compressor.
The vessel is covered by plastic lid with a cone-shaped
air nozzle in the centre. The vibrations of the emitter are
causing creation of a water fountain under the nozzle
from which the small water drops are scattered into the
air and form aerosol. The air flow is blowing out aerosol
through the nozzle to the discharge area (Fig. 1).
The discharge is caused by reservoir capacitor
charged with a high-voltage generator. Between a
capacitor and narrow copper electrodes was an air gap.
Two different capacitors were used: one with capacity
15 nF charged to 19.5 kV and one with 2 mkF charged
to 14 kV, which resulted in ~ 3 and ~ 200 J of stored
energy respectfully.
The discharge current was measured by a Rogowski
loop. The current and voltage were measured by digital
oscilloscope (Metrix MTX1054). The discharge area
was filmed with a digital camera with frame rate of
30 frames-per-second.
2. RESULTS AND DISCUSSIONS
Oscillograms of current and optical emission signal at
different values of the air flow are shown on Figs. 2-4.
Voltage of PEM (photo-electron multiplier) was 600 V,
voltage supplied from the generator 19 kV,
C = 15 nF.
Ultrasonic
generator Aerosol Air Top view
Piezoceram
ic
i
Fluoroplastic
cylindrical vessel
Water
Aerosol
accumulatio
n
Fig. 1. Scheme of experimental setup
ISSN 1562-6016. ВАНТ. 2013. №1(83) 181
From these oscillograms, it was determined that in
the discharge area the glow present during the time that
3...4 times longer that discharge time (time course of the
discharge current).
Measurements of the discharge voltage and
discharge current for two capacitors Cr – 15 nF, 2 mkF,
with voltages 19.5 and 14 kV respectively were
conducted. The values of voltage were chosen due to
capacitors limitations. Input energy values to discharge
were about 3 J to 15 nF and 200 J for 2 mkF. The flow
rate of air was 110 cm3/s. During the experiment digital
camera with frequency 30 frames per second was used.
That allows us to estimate the time interval between
frames – 30 ms. Oscillograms of voltage and current of
discharge and corresponding video fames of discharge
process are shown on Fig. 5 and 6. Missed shots mark
flashes too bright for the camera.
Measured time damping oscillations of voltage and
Fig. 2. Oscillograms of current (upper curve) and
optical emission signal (lower curve) of discharge.
Ugen = 19 kV, С = 15 nF. Air = 55 cm3/s
Fig. 3. Oscillograms of current (upper curve) and
optical emission signal (lower curve) of discharge.
Ugen = 19 kV, С = 15 nF. Air = 80 cm3/s
Fig. 4. Oscillograms of current (upper curve) and
optical emission signal (lower curve) of discharge.
Ugen = 19 kV, С = 15 nF. Air = 110 cm3/s
Fig. 5. Oscillograms of voltage and current and the
video frames of discharge process: С = 15 nF,
U = 19.5 kV, I = 940 A, aerosol (G = 110 cm3/s)
1 2
3 4
Fig. 6. Oscillograms of voltage and current and
the video frames of discharge process: С = 2 mkF,
U = 14 kV, I = 7.5 кA, aerosol (G = 110 cm3/s)
6
1
7 8
5 4
brightenin
3
182 ISSN 1562-6016. ВАНТ. 2013. №1(83)
current were 10 mks for capacitor 15 nF and 100 mks
for 2 mkF capacitor. The discharge with capacity of
2 mkF differs from the discharge with 15 nF. It was
noted the presence of an explosive process after flash of
discharge. This process can be explained by the
formation of mixture of H2 and O2, which interacts
causing an explosion. In the discharge of this capacity
was present destruction of tip of electrodes.
In the frame preceding the outbreak in Fig. 5 can be
clearly seen shining formation, localized near the
electrodes. This formation can be a flash of illumination
in air switch or leading plasma formation prior to
breakdown.
On Fig. 6 on the frame to go after the outbreak was
observed traces formed by the movement of particles
that glow. Two plausible mechanisms of their formation
were considered. According to the first this formation is
metal particles that scatter after discharge, but this
theory questioned the lack of glow of tip of electrodes.
In another mechanism of formation this is stable plasma
formations with accumulated energy in them.
CONCLUSIONS
The duration of glowing in discharge area was in a
few times longer then the duration of discharge current
impulse.
Research are showed that the impulse electric
discharge in aerosol with energy close to 200 J leads to
volumetric process with changed spectrum and
generation of plasmoids which have lifetimes of >100
ms without support of discharge.
ACKNOWLEDGEMENTS
This work was partially supported by the State fund
for fundamental researches (Grant F41.1/014), Ministry
of Education and Science of Ukraine, National
Academy of Sciences of Ukraine.
REFERENCES
1. A.І. Egorov, S.I. Stepanov, G.D. Shabanov.
Demonstration of ball lightning in the lab // Physical
Sciences Success. 2004, v. 174, № 1, p. 107-109 (in
Russian).
2. B. Juettner, S. Noack, A. Versteegh, G. Fussmann.
Long-living Plasmoids from a Water Discharge at
Atmospheric Pressure // 28th ICPIG, Prague, Czech
Republic 15-20 July. 2007, p. 2229-2232.
Article received 20.10.12
ПОЛУЧЕНИЕ И ИССЛЕДОВАНИЕ СВОЙСТВ ПЛАЗМЕННЫХ ОБРАЗОВАНИЙ
ПРИ ИМПУЛЬСНОМ РАЗРЯДЕ В ВОДНОМ АЭРОЗОЛЕ
В.В. Юхименко, И.И. Федирчик, В.Я. Черняк, Е.В. Мартыш, O.A. Федорович, T.E. Лиситченко,
Н.В. Беленок
Представлены результаты исследования электрофизических и спектральных свойств плазмы
импульсного разряда в аэрозоле. Были измерены ток разряда, напряжение и интегральный спектр плазмы.
Область разряда наблюдалась с помощью цифровой камеры. Наблюдалось появление плазмоидов с
временем жизни порядка 150 мс в автономном режиме (после прекращения тока разряда).
ОТРИМАННЯ ТА ДОСЛІДЖЕННЯ ВЛАСТИВОСТЕЙ ПЛАЗМОВИХ УТВОРЕНЬ
ПРИ ІМПУЛЬСНОМУ РОЗРЯДІ У ВОДЯНОМУ АЕРОЗОЛІ
В.В. Юхименко, І.І. Федірчик, В.Я. Черняк, Є.В. Мартиш, O.A. Федорович, T.Є. Лиситченко,
Н.В. Беленок
Представлені результати дослідження електрофізичних та спектральних властивостей плазми
імпульсного розряду в аерозолі. Були виміряні струм розряду, напруга та інтегральний спектр плазми.
Область розряду спостерігалась з допомогою цифрової камери. Спостерігалась поява плазмоїдів з часом
життя близько 150 мс в автономному режимі (після припинення струму розряду).
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