Page 107 - 《含能材料》火工品技术合集 2015~2019
P. 107
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Table1 Theelectricexplosionperformancesofexplodingfoil
firingvoltage peakcurrent peakvoltage peakcurrent peakvoltage bursttime burstpower burstenergy circuitenergy
/kV /kA /kV time/ns time/ns /ns /MW /mJ efficiencyη /%
1.25 1.386 0.557 192 284 279 0.578 71 41.31
1.50 1.784 0.558 205 257 254 0.865 85 34.34
1.80 2.098 0.691 165 200 177 1.483 144 40.41
2.00 2.277 1.074 164 195 184 2.430 191 43.41
2.20 2.549 1.206 164 186 185 2.938 205 39.50
2.50 2.887 1.351 159 176 176 3.793 237 34.47
- 1
(uv 227ns !"/\¢"h 2240m·s ,
- 1
2.50kV , \'(!"/¢"h 3430m·s
ã 175ns。½'(3!"HI-É, \!"3V
90ns á, a:3%&'("hr2./
\¢"h3 73%~85%ª«, 90ns @S3!"
vIè, %&'("hàAÏB, !"./\¢
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3!"AD, 4$µDEÕí [16] 67 PDV?
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a:, %&'(!"/\¢"
@ 4 !"#3]5T6£8Þ( h3*?r§!"#3òh H= 0.395mm, '($
Fig.4 Thelaserconfocalmicroscopyphotographofbarrel !"#MC, rN./¢"h, ÑC'("h3
Ì<, -¦%&'(2ë\¢"hª&-。¨Á
>ë:jki Ф 1.00mm 3!"#)i0.4mm×
0.4mm3S.³+OP}1æQ, !"#)S.:,
Seº3òRòÕæwâ3æQf, [18] , Õæw
âéÈ'(32åE7Üaò, ÃS'(3"h,¦,
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Table2 Thevelocityparametersofmultilayerflyerunderdif
@ 5 a:3%&'("h C%û$ 2.0kV
ferentfiringvoltages
%&'(3*?%û
firingvoltage acceleration acceleration multilayerflyer
Fig.5 Thevelocitytimecurvesofmultilayerflyerunderdiffer /kV time/ns distance/mm velocity/m·s - 1
entfiringvoltagesandthedistancecurvesofmultilayerflyerat 1.25 227 0.332 2240
2.0kV 1.50 217 0.368 2520
1.80 207 0.391 2780
2.00 198 0.382 3020
½Ø 5 è-É, !"#P3, '( 2.20 186 0.378 3170
3"h:3(!)*, \!"hË 2.50 175 0.362 3430
:3;Ø%&'(3"h C
%û
R¨-f/'(3*?%û, ר 5è 3.2.2 %&'lm-)*+,&c789
¤3b 2.00kV:%&'(3*?%û。 !"#,-./,vI軼/TU'(V
½ 2-É, 1.25kV3:, \%&' æQÕæwâ37, u3i'(ZÕæwâ3
ChineseJournalofEnergeticMaterials,Vol.26,No.3,2018(273 - 278) !"#$ www.energeticmaterials.org.cn