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Chung King Law
Princeton University
587Publications
81H-index
23.2kCitations
Publications 589
Newest
Abstract Bayesian analysis provides a framework for the inverse uncertainty quantification (UQ) of combustion kinetic models. As the workhorse of the Bayesian approach, the Markov chain Monte Carlo (MCMC) methods, however, incur a substantial computational cost. In this work, a surrogate model is employed to improve the traditional MCMC algorithm. Specifically, the test errors of three typical surrogate models are compared, namely Polynomial Chaos Expansion (PCE), High Dimensional Model Represen...
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#1Ran Sui (Princeton University)
#2Wenkai Liang (Princeton University)H-Index: 8
Last.Chung King Law (Princeton University)H-Index: 81
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Abstract Kinetic interactions between H2 and CO over PdO, a widely used catalyst in combustion systems, were studied experimentally and numerically. Global reaction parameters of H2 and CO oxidation over PdO were extracted from wire microcalorimetry experiments at atmospheric pressure in the temperature range 380–800 K, based on which a full catalytic reaction mechanism was developed. Comparison of ignition temperatures and heat release rates of different H2/CO blends along with density function...
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#1Xiaoyu TangH-Index: 4
#2Abhishek SahaH-Index: 12
Last.Chung King LawH-Index: 81
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#1Abhishek Saha (Princeton University)H-Index: 12
#2Yanju Wei (Princeton University)H-Index: 1
Last.Chung King Law (Princeton University)H-Index: 81
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We herein report an experimental study on the morphological evolution of a vortex ring formed inside a liquid pool after it is impacted and penetrated by a coalescing drop of the same liquid. The dynamics of the penetrating vortex ring along with the deformation of the pool surface has been captured using simultaneous high-speed laser induced fluorescence and shadowgraph techniques. It is identified that the motion of such a vortex ring can be divided into three stages, during which inertial, ca...
1 CitationsSource
#1Wenkai Liang (Princeton University)H-Index: 8
#2Yiru Wang (THU: Tsinghua University)
Last.Chung King Law (Princeton University)H-Index: 81
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Abstract Effects of ozone doping on the Z-shaped explosion boundary of stoichiometric hydrogen-oxygen mixtures are computationally studied. Results show that with increasing ozone doping and within a small range of increment, the explosion limit transitions from the Z-shaped response with two turning points to responses exhibiting four, six, four, two and none turning points. By modifying the rate coefficients of the sensitive reactions within the ozone sub-mechanism, four reactions are identifi...
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#1Wenkai LiangH-Index: 8
#2Chung King LawH-Index: 81
This article reviews recent theoretical developments on incipient ignition induced by radical runaway in systems described by detailed chemistry. Employing eigenvalue analysis, we first analyze the...
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#1Wenhu HanH-Index: 5
#2Cheng WangH-Index: 7
Last.Chung King LawH-Index: 81
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#1Shangpeng Li (THU: Tsinghua University)H-Index: 1
#2Qiang Yao (THU: Tsinghua University)H-Index: 32
Last.Chung King Law (Princeton University)H-Index: 81
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Abstract While the presence of an impermeable leading segment is normally inevitable for a boundary layer diffusion flame established over a fuel surface, it also offers an opportunity to control and stabilize the flame by design. In this study, the classical Emmons’ problem with an impermeable leading section is investigated numerically and theoretically. The local similarity structure of the boundary layer is discussed and an explicit solution of the skin friction, local gasification rate, and...
1 CitationsSource
#1Jialong HuoH-Index: 2
#2Abhishek SahaH-Index: 12
Last.Chung King LawH-Index: 81
view all 5 authors...
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#1Wenhu Han (BIT: Beijing Institute of Technology)H-Index: 5
#2Cheng Wang (BIT: Beijing Institute of Technology)H-Index: 7
Last.Chung King Law (Princeton University)H-Index: 81
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