光谱学与光谱分析 |
|
|
|
|
|
Measurements of the Ignition Delay Times of n-Heptane by Using Characteristic Emission from OH Radical |
XIE Wei, LI Ping*, ZHANG Chang-hua, NIU Na, NIE Xiao-fei, LI Cong-shan |
Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610065, China |
|
|
Abstract Using a measurement system consisting of a monochromator, a photomultiplier tube (PMT), piezoelectric pressure sensors and a digital oscilloscope, the ignition delay times of n-heptane/O2 mixture were measured behind reflected shock waves in a chemical shock tube, the onset of ignition was indicated by the steepest rise of the characteristic emission from OH radical at 306.4 nm. The experimental conditions cover temperatures from 1 170 to 1 730 K, pressures at (1.0±0.1) and (0.75±0.05) atm, and equivalence ratio of 1.0. Under these experimental conditions, the correlation formulas of ignition delay time dependence on the temperature for n-heptane have been obtained. Present results indicate that the ignition delay times of n-heptane decreases exponentially with the increase in temperatures. While temperature increases, the change rate of ignition delay time of n-heptane under the pressure of 0.75 atm is less than that of 1.0 atm. Present ignition delay data are important for constructing the kinetic model of the combustion reaction and provide an experimental criterion for validating the combustion reaction mechanism of n-heptane.
|
Received: 2010-04-10
Accepted: 2010-07-05
|
|
Corresponding Authors:
LI Ping
E-mail: lpscun@163.com
|
|
[1] PAN Yu, LIU Wei-dong, LIANG Jian-han, et al(潘 余,刘卫东,梁剑寒,等). Journal of Projectiles, Rockets, Missiles and Guidance(弹箭与制导学报),2008, 28(1): 145. [2] Dagaut P. Phys. Chem. Chem. Phys., 2002, 4(11) : 2079. [3] WANG Su, FAN Bing-cheng, HE Yu-zhong, et al(王 苏,范秉承,何宇中,等). Chinese Journal of Theoretical and Applied Mechanics(力学学报), 2007,39(4): 460. [4] LIAO Qin, XU Sheng-li(廖 钦,徐胜利). Journal of Experiments in Fluid Mechanics(实验流体力学), 2009, 23(3): 70. [5] Shen H-P S, Steinberg J, Vanderover J, et al. Energy & Fuels, 2009, 23: 2482. [6] Horning D C, Davidson D F, Hanson R K. In 23rd International Symposium on Shock Waves, 2001,Paper 5732. [7] Smith J M, Simmie J M, Curran H J. Int. J. Chem. Kinet., 2005, 37: 728. [8] Herzler J, Jerig L, Roth P, Proc. Combust. Inst., 2005, 30(1): 1147. [9] Davidson D F, Oehlschloeger M A, Herbon J T. Proc. Combust. Inst., 2002, 29: 1295.
|
[1] |
YU Hao-zhang, WANG Fei-fan, ZHAO Jian-xun, WANG Sui-kai, HE Shou-jie*, LI Qing. Optical Characteristics of Trichel Pulse Discharge With Needle Plate
Electrode[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2023, 43(10): 3041-3046. |
[2] |
LIU Hong-wei1, FU Liang2*, CHEN Lin3. Analysis of Heavy Metal Elements in Palm Oil Using MP-AES Based on Extraction Induced by Emulsion Breaking[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2023, 43(10): 3111-3116. |
[3] |
LIU Pan1, 2, 3, DU Mi-fang1*, LI Bin1, LI Jing-bin1, ZENG Lei1, LIU Guo-yuan1, ZHANG Xin-yao1, 4, ZHA Xiao-qin1, 4. Determination of Trace Tellurium Content in Aluminium Alloy by
Inductively Coupled Plasma-Atomic Emission Spectrometry Method[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2023, 43(10): 3125-3131. |
[4] |
TIAN Fu-chao1, CHEN Lei2*, PEI Huan2, BAI Jie-qi1, ZENG Wen2. Diagnosis of Emission Spectroscopy of Helium, Methane and Air Plasma Jets at Atmospheric Pressure[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2023, 43(09): 2694-2698. |
[5] |
ZHANG Zhi-fen1, LIU Zi-min1, QIN Rui1, LI Geng1, WEN Guang-rui1, HE Wei-feng2. Real-Time Detection of Protective Coating Damage During Laser Shock Peening Based on ReliefF Feature Weight Fusion[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2023, 43(08): 2437-2445. |
[6] |
LI Zhi-xiong1, 2, LU Qian-shu1, ZHANG Lian-kai1, 2*, ZHANG Song1, YANG Wan-tao1, LI Can-feng1, FENG Jun1, LIU Zhen-chao1. Study on the Determination of Silver, Boron, Molybdenum, Tin in Geochemical Samples by the Method of Solid Sampling Carrier Distillation Atomic Emission Spectrum[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2023, 43(07): 2132-2138. |
[7] |
SI Yu1, LIU Ji1*, WU Jin-hui2, ZHAO Lei1, YAN Xiao-yan2. Optical Observation Window Analysis of Penetration Process Based on Flash Spectrum[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2023, 43(03): 718-723. |
[8] |
YU Cheng-hao, YE Ji-fei*, ZHOU Wei-jing, CHANG Hao*, GUO Wei. Characteristics of the Plasma Plume and Micro-Impulse Generated by
Irradiating the Aluminum Target With a Nanosecond Laser Pulse at
Oblique Incidence[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2023, 43(03): 933-939. |
[9] |
WANG Wei, WANG Yong-gang*, WU Zhong-hang, RAO Jun-feng, JIANG Song, LI Zi. Study on Spectral Characteristics of Pulsed Argon Vacuum Dielectric
Barrier Discharge[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2023, 43(02): 455-459. |
[10] |
LI Ru, YANG Xin, XING Qian-yun, ZHANG Yu. Emission Spectroscopy Study of Remote Ar Plasma[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2023, 43(02): 394-400. |
[11] |
HAO Jun1, WANG Yu2, LIU Cong2, WU Zan2, SHAO Peng2, ZU Wen-chuan2*. Application of Solution Cathode Glow Discharge-Atomic Emission Spectrometry for the Rapid Determination of Calcium in Milk[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2022, 42(12): 3797-3801. |
[12] |
YANG Kun, CHEN Lei*, CHENG Fan-chong, PEI Huan, LIU Gui-ming, WANG Bao-huai, ZENG Wen. Emission Spectroscopy Diagnosis of Air Gliding Arc Plasma Under
Atmospheric Pressure Condition[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2022, 42(10): 3006-3011. |
[13] |
HU Xuan1, CHENG Zi-hui1*, ZHANG Shu-chao2, SHI Lei2. Matrix Separation-Determination of Rare Earth Oxides in Bauxite by
Inductively Coupled Plasma-Atomic Emission Spectrometry[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2022, 42(10): 3130-3134. |
[14] |
LIU Pan1, 2, LI Jing-bin1, ZHANG Jian-hao1, ZHANG Yi1, CHANG Guo-liang1, HE Peng-fei1, ZHANG Bin-bin1, ZHANG Xin-yao1, 3. Determination of Phosphorus in Welding Flux by Inductively Coupled Plasma Atomic Emission Spectrometry With Ultrasonic Assisted
Hydrochloric Acid Extraction[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2022, 42(09): 2824-2829. |
[15] |
LI Yan-fei1, 2,HAN Dong1, 2*,QIU Zong-jia1,LI Kang1,ZHAO Yi-kun1, 2,WAN Liu-jie1, 2,ZHANG Guo-qiang1, 2. Characteristic Emission Spectrum Analysis and Discharge Identification on the Development Process of Air Corona Discharge[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2022, 42(09): 2956-2962. |
|
|
|
|