| Disintegration Mechanism of Ammonium Nitrate Droplets by Melt Spray |
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Jin-Hwan Ahn, Jae-Kyeong Kim, Jun-Hyung Kim, Kee-Kahb Koo |
1Sogang University
2 |
| 용융 분무에 의한 질산암모늄 액적의 분열 메카니즘 |
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안진환, 김재경, 김준형, 구기갑 |
1서강대학교 화공생명공학과
2국방과학연구소 |
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| Abstract |
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The pressurized spray system with nitrogen gas was designed to fabricate the spherical AN(ammonium nitrate) particles. When AN melt was sprayed from a nozzle with equivalent diameter of 0.28mm into an ambient dry air, the ligament breakup mechanism of the molten AN was found to be responsible for the droplet formation(or disintegration) of AN melt. In the experimental range of spray temperature with $170{sim}200^{circ}C$ and atomization pressure with $0.1{sim}0.4MPa$, the spherical AN particles with mean diameter of $130{sim}250{mu}m$ were obtained. |
| Key Words:
Ammonium Nitrate, Ligament Breakup Mechanism, Melt Spray |
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