SelectedWorks - Hai-Lung Tsai

Selected Works of Hai-Lung Tsai

Emeritus

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About Hai-Lung Tsai

Present	Emeritus, Missouri University of Science and Technology ‐ Mechanical and Aerospace Engineering
Institution Organization Position Type Position Title Time Period to Options Current Position Affiliate my profile with this Institution

Aerospace Engineering and Mechanical Engineering

Energy Transport and Thermal Stress Formation in Hybrid Laser-MIG Welding

Proceedings of the ASME 2013 International Mechanical Engineering Congress and Exposition (2013, San Diego, CA) (2013)

J. Zhou, A. Khalilollahi and Hai-Lung Tsai

This study is focusing on understanding the thermal stress formation in hybrid laser-MIG welding which has been gaining a lot ...

Melt Flow and Mass Transfer in Hybrid Laser-Gma Welding of ...

American Society of Mechanical Engineers, Fluids Engineering Division (Publication) FEDSM (2013)

J. Zhou and Hai-Lung Tsai

In recent years, hybrid laser-arc welding has been developed and applied in many applications because of its advantages over laser ...

Effect of Interlayer between Semiconductors on Interfacial Thermal Transport

ASME 2012 3rd International Conference on Micro/Nanoscale Heat and Mass Transfer, MNHMT 2012 (2012)

Zhi Liang and Hai-Lung Tsai

Due to the High Surface-To-Volume Ratio in Nanostructured Components and Devices, Thermal Transport Across the Solid-Solid Interface Strongly Affects the ...

A Method to Generate Pressure Gradients for Molecular Simulation of ...

Microfluidics and Nanofluidics (2012)

Zhi Liang and Hai-Lung Tsai

One of the Difficulties in Molecular Simulation of Pressure-Driven Fluid Flow in Nanochannels is to Find an Appropriate Pressure Control ...

Reduction of Solid-Solid Thermal Boundary Resistance by Inserting an Interlayer

International Journal of Heat and Mass Transfer (2012)

Zhi Liang and Hai-Lung Tsai

An Effective Method is Proposed to Greatly Improve the Thermal Transport Across the Interface between Two Solids with Dissimilar Phonon ...

Effect of Interlayer between Semiconductors on Interfacial Thermal Transport

Proceedings of the ASME 3rd International Conference on Micro/Nanoscale Heat and Mass Transfer (2012, Atlanta, GA) (2012)

Z. Liang and Hai-Lung Tsai

Due to the high surface-to-volume ratio in nanostructured components and devices, thermal transport across the solid-solid interface strongly affects the ...

A Method to Generate Pressure Gradients for Molecular Simulation of ...

Microfluidics and Nanofluidics (2012)

Z. Liang and Hai-Lung Tsai

One of the difficulties in molecular simulation of pressure-driven fluid flow in nanochannels is to find an appropriate pressure control ...

Advances in Femtosecond Laser Fabrication of Microchannels

Beijing Ligong Daxue Xuebao/Transaction of Beijing Institute of Technology (2012)

Hai-Lung Tsai, X.-L. Yan, S.-M. Wang, B. Xia, et al.

Major progresses in mechanism investigations and methodology developments in femtosecond laser fabrication of microchannels are reviewed, especially for femtosecond laser ...

Determination of Equilibrium Wire-Feed-Speeds for Stable Gas Metal Arc Welding

International Journal of Heat and Mass Transfer (2012)

Z. H. Rao, J. Zhou and Hai-Lung Tsai

In gas metal arc welding (GMAW), a consumable electrode wire is fed normally at a pre-determined constant speed in order ...

Effects of Using an External Electromagnetic Force on Transport Phenomena ...

ASME 2012 Heat Transfer Summer Conf. Collocated with the ASME 2012 Fluids Engineering Div. Summer Meeting and the ASME 2012 10th Int. Conf. on Nanochannels, Microchannels and Minichannels, HT 2012 (2012)

J. Zhou and Hai-Lung Tsai

Welding defects such as undercuts, porosity, irregular beads are frequently observed in laser welds due to the fast cooling rate ...

First-Principles Electron Dynamics Control Simulation of Diamond under Femtosecond Laser ...

Journal of Physics Condensed Matter (2012)

C. Wang, Lan Jiang, F. Wang, X. Li, et al.

A real-time and real-space time-dependent density functional is applied to simulate the nonlinear electronphoton interactions during shaped femtosecond laser pulse ...

Formation Mechanisms of Sub-Wavelength Ripples During Femtosecond Laser Pulse Train ...

Journal of Physics D: Applied Physics (2012)

Y. Yuan, Lan Jiang, X. Li, C. Wang, et al.

A new model is proposed to investigate femtosecond laser pulse train processing of dielectrics by including the laser wave properties ...

Modeling Three-dimensional Plasma Arc in Gas Tungsten Arc Welding

Journal of Manufacturing Science and Engineering, Transactions of the ASME (2012)

Gu Xu, J. Hu and Hai-Lung Tsai

This article presents a three-dimensional (3D) mathematical model for the plasma arc in gas tungsten arc welding (GTAW). The velocity, ...

Modeling of the Transport Phenomena in Metal Transfer and Weld ...

Mechanical and Aerospace Engineering Faculty Research & Creative Works (2012)

J. Hu, Z. H. Rao and Hai-Lung Tsai

A better understanding of the transport mechanism in the metal during a welding process is important for the improvements in ...

Reduction of Solid-Solid Thermal Boundary Resistance by Inserting an Interlayer

International Journal of Heat and Mass Transfer (2012)

Z. Liang and Hai-Lung Tsai

An effective method is proposed to greatly improve the thermal transport across the interface between two solids with dissimilar phonon ...

Study the Shielding Gas Effects on Transport Phenomena in GMAW ...

Proceedings of the 20th International Symposium on Transport Phenomena (2012)

J. Hu, Z. H. Rao, S. M. Liao and Hai-Lung Tsai

This article presents a numerical investigation on the transient transport phenomena including the arc plasma generation and evolution; droplet formation, ...

Transient Localized Material Properties Changes by Ultrafast Laser-Pulse Manipulation of ...

Materials Research Society Symposium - Proceedings (2012)

X. Li, Lan Jiang, C. Wang and Hai-Lung Tsai

A femtosecond (fs) pulse duration is shorter than many physical/chemical characteristic times, such as the electron-photon relaxation time, which makes ...

Effect of Thin Film Confined between Two Dissimilar Solids on ...

Journal of Physics Condensed Matter (2011)

Zhi Liang and Hai-Lung Tsai

A Non-Equilibrium Molecular Dynamics Model is Developed to Investigate How a Thin Film Confined between Two Dissimilar Solids Affects the ...

Femtosecond Laser Fabrication of Long Period Fiber Gratings and Applications ...

Optics & Laser Technology (2011)

Benye Li, Lan Jiang, Sumei Wang, Hai-Lung Tsai, et al.

An improved point-by-point inscription method is proposed to fabricate long period fiber gratings (LPFGs) by using a laser operating at ...

Effect of Molecular Film Thickness on Thermal Conduction Across Solid-Film ...

Physical Review E - Statistical, Nonlinear, and Soft Matter Physics (2011)

Zhi Liang and Hai-Lung Tsai

The Brownian Motion and Aggregation of Particles in Nanofluids Often Lead to the Formation of Solid-Film-Solid Structures. the Molecular Thin ...

Quantum Multiscale Modeling of Phase Changes during Femtosecond Laser Ablation ...

Proceedings of the 2011 Conference on Lasers and Electro-Optics (2011, Baltimore, MD) (2011)

C. Wang, Lan Jiang, X. Li, Hai-Lung Tsai, et al.

Considering the time/length scales where collisions govern the evolution of the phenomena, a quantum multiscale model is proposed to reveal ...

Thermal Conductivity of Interfacial Layers in Nanofluids

Physical Review E - Statistical, Nonlinear, and Soft Matter Physics (2011)

Zhi Liang and Hai-Lung Tsai

Thermal Conductivity of Interfacial Layers is an Essential Parameter for Determining How the Ordered Liquid Layering Around the Particle-Liquid Interface ...

Nanostructured Substrate with Nanoparticles Fabricated by Femtosecond Laser for Surface-Enhanced ...

Applied Physics A: Materials Science and Processing (2011)

Yukun Han, Zhi Liang, Huilai Sun, Hai Xiao, et al.

A Simple and Fast Method to Fabricate Nanostructured Substrates with Silver Nanoparticles over a Large Area for Surface-Enhanced Raman Scattering ...

2D Freeform Plasmonic Trapping Via Spatial Light Modulator

Progress in Biomedical Optics and Imaging - Proceedings of SPIE (2011)

H.-W. Su, C.-Y. Lin, K.-C. Chiu, Hai-Lung Tsai, et al.

In this study, an objective-based two-dimensional (2D) surface plasmon (SP)-enhanced optical trapping system with a spatial light modulator (SLM) has ...

An All-Optical Fiber Sensor Fabricated by a Femtosecond Laser for ...

Sensor Letters (2011)

L. Zhao, Lan Jiang, S. Wang, Hai Xiao, et al.

An all-optical fiber temperature sensor fabricated by a femtosecond (fs) laser is proposed in this study. The fiber sensor is ...