Skip to main content

22 Result(s)

within P H. Chang Remove this filter

previous disabled Page of 2
and

  1. No Access

    Article

    Numerical investigation of the liquid-fueled pulse detonation engine for different operating conditions

    In this study, an intensive simulation platform is developed and implemented to simulate the three stages in the operational cycle of the liquid-fueled pulse detonation engine. The three stages encompass the l...

    V. B. Nguyen, C. J. Teo, P.-H. Chang, J. M. Li, B. C. Khoo in Shock Waves (2019)

  2. No Access

    Chapter and Conference Paper

    The Influence of Shock Reflections on Detonation Re-initiation

    The objective of the present study is to investigate the mechanisms of detonation re-initiation. In addition, experiments were employed to further look into the discrepancies of the critical geometry condition...

    L. Li, C. J. Teo, B. C. Khoo, J. Li… in 31st International Symposium on Shock Wave… (2019)

  3. No Access

    Article

    On the deflagration-to-detonation transition (DDT) process with added energetic solid particles for pulse detonation engines (PDE)

    In this paper, numerical simulations are performed to study the dynamics of the deflagration-to-detonation transition (DDT) in pulse detonation engines (PDE) using energetic aluminum particles. The DDT process...

    V. B. Nguyen, J. Li, P.-H. Chang, Q. T. Phan, C. J. Teo, B. C. Khoo in Shock Waves (2018)

  4. No Access

    Article

    Experimental study on incident wave speed and the mechanisms of deflagration-to-detonation transition in a bent geometry

    The study of deflagration-to-detonation transition (DDT) in bent tubes is important with many potential applications including fuel pipeline and mine tunnel designs for explosion prevention and detonation engi...

    L. Li, J. Li, C. J. Teo, P. H. Chang, B. C. Khoo in Shock Waves (2018)

  5. No Access

    Chapter and Conference Paper

    Criterion for Detonation Transition in Liquid-Fuel Pulse Detonation Engines

    In the present study, experiments on liquid-fuel air-breathing pulse detonation engines (PDEs) are conducted using a low-vapor-pressure fuel: Jet A-1. Past studies have mostly focused on demonstrating the use ...

    J. Li, Teo Chiang Juay, L. Li, P H. Chang… in 30th International Symposium on Shock Wave… (2017)

  6. No Access

    Article

    Sorption and desorption of tetracycline on layered manganese dioxide birnessite

    Birnessite is one of the most common manganese oxides in the clay-sized fraction (<2 μm) of soils and has high cation exchange capacity and larger surface area. Birnessite was previously studied for decomposit...

    W.-T. Jiang, P.-H. Chang, Y.-S. Wang… in International Journal of Environmental Sci… (2015)

  7. No Access

    Article

    Desorption of tetracycline from montmorillonite by aluminum, calcium, and sodium: an indication of intercalation stability

    As the uptake of cationic drugs, such as tetracycline (TC), was attributed to cation exchange, the stability of adsorbed TC on a Ca-montmorillonite SAz-2 was studied using cationic solutions of different valen...

    P.-H. Chang, Z. Li, J.-S. Jean, W.-T. Jiang… in International Journal of Environmental Sci… (2014)

  8. No Access

    Article

    Electrical measurements of an AlGaN/GaN high-electron-mobility transistor structure grown on Si

    We report on magnetotransport results for an Al0.15Ga0.85N/GaN high-electron-mobility-transistor structure grown on a p-type Si (111) substrate. Our results show that there exists an approximately temperature (T)...

    Zhi-Yao Zhang, Shun-Tsung Lo, Li-Hung Lin… in Journal of the Korean Physical Society (2012)

  9. No Access

    Chapter and Conference Paper

    Inviscid-Viscous Interactions of Compressible Convex Corner Flows

    Variable camber concept, such as deflection of flaps or ailerons in cruise, could play a role in performance optimization for current- and future-generation aircrafts. Within the operational flight envelopes, ...

    K. M. Chung, P. H. Chang in 28th International Symposium on Shock Waves (2012)

  10. No Access

    Article

    miR-495 is upregulated by E12/E47 in breast cancer stem cells, and promotes oncogenesis and hypoxia resistance via downregulation of E-cadherin and REDD1

    MicroRNAs (miRNAs) are involved in tumorigenecity by regulating specific oncogenes and tumor suppressor genes, and their roles in breast cancer stem cells (BCSCs) are becoming apparent. Distinct from the CD44+/CD...

    W W Hwang-Verslues, P-H Chang, P-C Wei, C-Y Yang, C-K Huang, W-H Kuo, J-Y Shew… in Oncogene (2011)

  11. No Access

    Chapter and Conference Paper

    Development of a Novel Type Rehabilitation Robotic System KARES II

    The future welfare model should meet the needs of the enlarged number of aged and disabled people. Present technology levels increase optimism that the quality of life of the people from these categories can b...

    Z. Bien, D.-J. Kim, D. H. Stefanov, J.-S. Han… in Universal Access and Assistive Technology (2002)

  12. No Access

    Article

    The Structures of Tantalum Pentoxide Film Formed by Reactive DC Magnetron Sputter-Deposition of Ta

    Tantalum pentoxide (Ta2O5) films are candidates for application as storage capacitors in high density memory cells and as gate insulators in MOS devices because of their large dielectric constant. Thin Ta2O5 film...

    P.-H. Chang, J. G. Bohlman, H. Y. Liu, J. A. Keenan… in MRS Online Proceedings Library (1988)

  13. No Access

    Article

    A Study of Boron Implanted Silicon

    Single crystal <100> Silicon wafers implanted by 1×1016/cm2 boron ions at 30, 80, or 130 KeV are studied. The through thickness strain distribution in the wafer is found to reverse from tension in the as-implante...

    P. H. Chang, H. Y. Liu, J. M. Anthony in MRS Online Proceedings Library (1987)

  14. No Access

    Article

    Microstructure and properties of multilayer-derived tungsten silicide

    In metallization, peeling and oxidation of tungsten silicide are the most serious problems of tungsten rich silicide. In this study, multilayer-derived silicon rich tungsten silicide with the silicon film on t...

    Bi-Shiou Chiou, H. L. Rau, P. H. Chang, J. G. Duh in Journal of Electronic Materials (1987)

  15. No Access

    Article

    TEM Characterization of Solid-Phase Epitaxy in Amorphized Polysilicon

    Solid Phase Epitaxy (SPE) of amorphous silicon thin films can be employed to build novel device structures for VLSI applications. One way of achieving SPE is to use a room temperature silicon implant to amorph...

    P.-H. Chang, R. Sundaresan in MRS Online Proceedings Library (1986)

  16. No Access

    Article

    Thermal Modeling of Spot Welds

    Solidification structure and austenite decomposition in some spot welded 0.05% C-0.3% Mn steels have been studied with the aid of a numerical thermal model. The model is a one dimensional finite difference for...

    J. E. Gould, P. H. Chang in JOM (1986)

  17. No Access

    Article

    The Effects of Annealing Temperature on the Characteristics of Buried Oxide Silicon-On-Insulator

    The effects of post implantation annealing on the properties of buried oxide silicon-on-insulator (SOI) substrates in the temperature range of 1150°C to 1300°C have been studied. Microstructural analyses showe...

    B.-Y Mao, P.-H. Chang, H. W. Lam, B. W. Shen… in MRS Online Proceedings Library (1985)

  18. No Access

    Article

    The Physical and Electrical Properties of Buried Nitride SOI Structures Synthesized by Nitrogen ION Implantation

    Buried nitride silicon-on-insulator (SOI) structures have been fabricated using the technique of nitrogen ion implantation. The crystallinity of the top silicon film was found to be exceptionally good. The min...

    C. Slawinski, B.-Y. Mao, P.-H. Chang, H. W. Lam… in MRS Online Proceedings Library (1985)

  19. No Access

    Article

    Compound Formation and Silicon Behavior in Titanium and Tantalum Layered Aluminum Films

    Thin film interaction in the material systems of titanium and tantalum-layered Al- 1% Si films has been studied using advanced material characterization techniques. Compound phase formation was analyzed based ...

    B. W. Shen, J. M. Anthony, P-H. Chang, J. Keenan… in MRS Online Proceedings Library (1985)

  20. No Access

    Article

    Comparison of Structural and Electrical Characteristics of Solid-Phase Epitaxial Films Recrystallized by Rapid Thermal Annealing and Furnace Annealing

    Solid-phase epitaxial regrowth of polysilicon films, amorphized by a room-temperature silicon implant, has been achieved using a (low temperature) furnace anneal or a (high temperature) rapid thermal anneal. L...

    R. Sundaresan, P.-H. Chang, S. D. S. Malhi, H. W. Lam in MRS Online Proceedings Library (1985)

previous disabled Page of 2