Abstract
Liquid fuel with sufficient vapor proportion at micron scale is essentially required to increase specific energy density and reduce volume requirements for application of pulse detonation engine. For JP-8, the fully vaporized temperature ranges from 380 to 410 K. In this study, the fuel vapor with oxygen is not enough to induce the reaction and leads to failure of detonation initiation at the initial temperature of 373 K. Condensed fuel was also observed on the bottom of detonation tube. At 393 K, the detonation wave was successfully generated even though a portion of fuel was in a liquid state. The deflagration-to-detonation run-up distance and the pressure trace at fully vaporized conditions, in which the initial temperatures were at 413, 433, and 453 K, were similar to those of gaseous mixtures, such as propane-oxygen mixture.
| Original language | English |
|---|---|
| Pages (from-to) | 477-482 |
| Number of pages | 6 |
| Journal | Shock Waves |
| Volume | 22 |
| Issue number | 5 |
| DOIs | |
| Publication status | Published - 2012 Sep 1 |
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All Science Journal Classification (ASJC) codes
- Mechanical Engineering
- Physics and Astronomy(all)
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Detonation initiation of JP-8-oxygen mixtures at different initial temperatures. / Wen, C. S.; Chung, Kung-Ming; Lai, Wei-Hsiang.
In: Shock Waves, Vol. 22, No. 5, 01.09.2012, p. 477-482.Research output: Contribution to journal › Article
TY - JOUR
T1 - Detonation initiation of JP-8-oxygen mixtures at different initial temperatures
AU - Wen, C. S.
AU - Chung, Kung-Ming
AU - Lai, Wei-Hsiang
PY - 2012/9/1
Y1 - 2012/9/1
N2 - Liquid fuel with sufficient vapor proportion at micron scale is essentially required to increase specific energy density and reduce volume requirements for application of pulse detonation engine. For JP-8, the fully vaporized temperature ranges from 380 to 410 K. In this study, the fuel vapor with oxygen is not enough to induce the reaction and leads to failure of detonation initiation at the initial temperature of 373 K. Condensed fuel was also observed on the bottom of detonation tube. At 393 K, the detonation wave was successfully generated even though a portion of fuel was in a liquid state. The deflagration-to-detonation run-up distance and the pressure trace at fully vaporized conditions, in which the initial temperatures were at 413, 433, and 453 K, were similar to those of gaseous mixtures, such as propane-oxygen mixture.
AB - Liquid fuel with sufficient vapor proportion at micron scale is essentially required to increase specific energy density and reduce volume requirements for application of pulse detonation engine. For JP-8, the fully vaporized temperature ranges from 380 to 410 K. In this study, the fuel vapor with oxygen is not enough to induce the reaction and leads to failure of detonation initiation at the initial temperature of 373 K. Condensed fuel was also observed on the bottom of detonation tube. At 393 K, the detonation wave was successfully generated even though a portion of fuel was in a liquid state. The deflagration-to-detonation run-up distance and the pressure trace at fully vaporized conditions, in which the initial temperatures were at 413, 433, and 453 K, were similar to those of gaseous mixtures, such as propane-oxygen mixture.
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U2 - 10.1007/s00193-012-0398-3
DO - 10.1007/s00193-012-0398-3
M3 - Article
VL - 22
SP - 477
EP - 482
JO - Shock Waves
JF - Shock Waves
SN - 0938-1287
IS - 5
ER -