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Chapter
In-Situ Nanomechanical TEM
Nanomaterials usually demonstrate remarkable physical, chemical and mechanical properties and are thus ideal to serve as building blocks of devices pertinent to various research fields. With continuous miniatu...
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Chapter and Conference Paper
Progress of Sensors Based on Hollow Metal Sulfides Nanoparticles
Gas sensors are widely used, playing important role in different sectors of daily life ranging from safety and security, environmental monitoring, food safety & control to medical diagnosis. The development of...
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Chapter and Conference Paper
Experimental Research on Deflagration-to-Detonation Transition (DDT) in an S-Shaped Tube
With its higher efficiency compared to a traditional engine, a pulse detonation engine (PDE) has been of interest to researchers for the past few decades as a potential solution for future engine system. Howev...
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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 ...
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Chapter and Conference Paper
Investigations of Equivalence Ratio on Operational Liquid-Fuel Pulse Detonation Engines
Liquid-fuel detonations or spray detonations are always of interest due to their important roles in several practical applications, such as explosion prevention in the presence of leakages occurring in liquid-...
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Chapter and Conference Paper
Effects of Attack Angle on Starting Performance of a Hypersonic Inlet
Since the boundary of an inlet starting Mach number cannot be obtained easily in high speed wind tunnels. The correlations between changing the attack angle and changing the freestream Mach number which affect...
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Chapter and Conference Paper
Flow Separation Control Over a Ramp with Nanosecond-Pulsed Plasma Actuators
Recently, much attention has been devoted to the nanosecond pulsed dielectric barrier discharge (ns-DBD) plasma actuators as they demonstrated superior control feature at higher speed regimes as compared to th...
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Chapter and Conference Paper
Investigations on Unsteadiness and Instability of Shock/Boundary Layer Interactions of the Ramp Flow by DNS
Shock/boundary layer interaction is an important issue in the high-speed flow. The interaction may cause the boundary layer separation, the reduction of total pressure, and the flow unsteadiness. These phenome...
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Chapter and Conference Paper
Propagation of a Pressure-Dependent Detonation with Different Acoustic Impedance Confinements
A series of numerical simulations of a pressure-dependent detonation propagating with losses in charges was conducted to study the effect of the acoustic impedance of confinements (greater than, less than, and...
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Chapter and Conference Paper
The Direct Measurement of Skin Friction in Shock Tunnel
In hypersonic flight, drag is composed of two main components besides abduction drag: wave drag, which is caused by shock waves, and skin friction drag, which is caused by friction. Wave drag is correlated to ...
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Chapter and Conference Paper
A Method of Detecting Self-Starting Ability of Hypersonic Inlets: A Numerical Investigation
It is still a challenge to accurately predict the self-starting ability of a hypersonic inlet. Re-start of an inlet after a mechanically throttling induced unstart is proof of its self-starting ability at the ...
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Chapter and Conference Paper
Oscillatory Behaviors of a Hypersonic Inlet with Trips
A hypersonic inlet should be operated in a started mode for the efficient operation of an air-breathing propulsion system [1]. Various factors, either in design or in usage, may cause the hypersonic inlet to u...
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Chapter and Conference Paper
An Investigation of Type IV Shock Interaction Over a Blunt Body with Forward-Facing Cavity
Shock wave interaction occurs in many external and internal flow fields around hypersonic vehicles. The type IV shock interaction is one of the six types of shock interactions categorized by Edney [1] and is c...
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Chapter and Conference Paper
Numerical Simulation of Combustion Process for Two-Phase Fuel Flows Related to Pulse Detonation Engines
In this study, combustion process is simulated for two-phase fuel flows (droplets of the liquid fuel and gas mixture of the fuel vapor and oxygen) using a combination of Lagrangian–Eulerian approaches. The Lag...
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Chapter and Conference Paper
New Methods for Resolution Improvement in Simulations on Subtle Structures Generated by Shock Waves
Since the first introduction of the weighted essentially non-oscillatory (WENO) scheme in [1], the efficient implementation in [2] made the algorithm applicable to realistic problems. Despite the success, some...
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Chapter
New Progress in Monomeric Phthalocyanine Chemistry: Synthesis, Crystal Structures and Properties
In this chapter, recent progress in the synthesis, crystal structures and physical properties of monomeric phthalocyanines (Pcs) is summarized and analysed. The strategies for synthesis and modification of Pcs...
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Chapter
New Progress in Monomeric Phthalocyanine Chemistry: Synthesis, Crystal Structures and Properties
In this chapter, recent progress in the synthesis, crystal structures and physical properties of monomeric phthalocyanines (Pcs) is summarized and analysed. The strategies for synthesis and modification of Pcs...
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Chapter
Growth and Characterizations of Well-Aligned Carbon Nanotubes
Large arrays of well-aligned carbon nanotubes are first made possible on substrates in 1998 by plasma enhanced chemical deposition [1, 2] in which the diameter and length of each carbon nanotube are under control...
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Chapter
Application of Nanoimprint Lithography in Magnetism
Patterned magnetic structures are of particular importance for the development of new information technology. They can be used for ultra high-density recording,1 for the fabrication of magnetic randomly accessibl...
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Chapter
Structure and Electronic Properties of Self-Assembled Macrocycle and Polymer Multilayers
Layer-by-layer (LBL) self-assembly technique has been widely used to fabricate artificial thin films for a number of potential applications with several advantages (Decher, 1997; Lenahan et al., 1998; Kaschak et ...