一种改进的末壁注射技术,用于检查冲击管中滑油的高温点火
Matthew Abulail1, Sean P Cooper1, Darryl J Mohr1
1J. Mike Walker '66 Department of Mechanical Engineering, Texas A&M University, College Station, Texas 77843, USA.
The Review of scientific instruments
|January 10, 2025
概括
一种新的冲击管方法可靠地测量复杂油的滑剂点火延迟时间 (IDT). 这项研究可以更好地预测和预防机械系统中危险滑剂点火的情况.
科学领域:
- 燃烧科学 燃烧科学
- 化学工程是化学工程的重要组成部分.
- 材料科学 材料科学 材料科学
背景情况:
- 滑剂点火是机械系统的关键安全问题,由高温和高压驱动.
- 滑剂的复杂碳化合物混合物和物理特性阻碍了对其点火化学的研究.
- 了解滑剂点火对于防止不良和不安全的情况至关重要.
研究的目的:
- 开发和验证一种用于研究滑剂点火化学的新型实验方法.
- 使用冲击管可靠地测量滑剂的点火延迟时间 (IDT).
- 为未来的研究建立滑剂点火行为的基线.
主要方法:
- 开发了一种新的末壁注射技术,将滑剂气溶引入冲击管中.
- 对n-Hexadecane和Jet-A进行了测试,以验证该技术与已知的方法相比.
- 在高温 (10841530 K) 下测量矿物油和商用滑油 (Mobil DTE 732) 的点火延迟时间 (IDT).
主要成果:
- 新方法与n-hexadecane的既定技术有很好的一致性,验证了其可靠性.
- 成功获得了矿物油和Mobil DTE 732的IDT数据,确定了基线和特定的滑剂行为.
- 与基动力学机制的初步比较为基础的点火化学提供了洞察力.
结论:
- 开发的冲击管方法是研究滑油和其他低蒸汽压力燃料的点火行为的一种可行和有效的方法.
- 这种技术有助于研究复杂的燃料点火化学,从而更好地预测和预防点火事件.
- 生成的IDT数据作为比较各种滑油和燃料混合物的关键基准.
更多相关视频
10:52Conducting Elevated Temperature Normal and Combined Pressure-Shear Plate Impact Experiments Via a Breech-end Sabot Heater System
Published on: August 7, 2018
8.5K
12:34Experimental Procedure for Laboratory Studies of In Situ Burning : Flammability and Burning Efficiency of Crude Oil
Published on: May 1, 2018
12.4K
相关概念视频
Flame Photometry: Overview
Flame photometry, also known as flame emission spectrometry, is a technique used for the qualitative and quantitative analysis of elements present in a sample using a flame as the source of excitation energy. The concept of flame photometry was realized in the early 1860s by Kirchhoff and Bunsen, who discovered that specific elements emit characteristic radiation when excited in flames. The first instrument developed for this purpose was used to measure sodium (Na) in plant ash using a Bunsen...
The Joule and Joule–Thomson Experiments
Consider an adiabatic system composed of two chambers, A and B, designed such that no heat flows into or out of the system. Initially, chamber A is filled with a gas at a fixed temperature T1, pressure p1, and volume V1, while chamber B is evacuated. The gas is then gradually forced through a rigid, porous barrier to chamber B, ultimately reaching temperature T2, pressure p2, and volume V2. A piston on the right side maintains a constant pressure (p2), which is lower than p1. The significant...
