90 Result(s)
within
Engineering
Characterization and Evaluation of Materials
**u-**u Zhang
Conference Paper
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Chapter and Conference Paper
Creep Instability of Spinning Viscoelastic Rod
In this paper, A general theory for studying dynamic instability of viscoelastic spinning rod (shaft, arm etc.) is presented. The continuous and multi-degree-of-freedom(MDOF) discrete model are both considered...
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Chapter and Conference Paper
Optical Switch Using Draw-Bridge Micromirror for Large Array Crossonnects
This paper reports the design, fabrication, and testing of a draw-bridge micromirror and to be integrated a monolithic 4×4 optical crossconnect (OXC) having dimensions about 4 mm × 4 mm. The OXC is composed of...
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Chapter and Conference Paper
Study of Boiling Regimes and Transient Signal Measurements in Microchannels
Two-phase microchannel heat exchangers can achieve very large heat removal rate due to the phase change of the coolant. However, the design of two-phase microchannel heat exchangers has not yet considered the ...
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Chapter and Conference Paper
Design and Simulation of Capacitive, Piezoresistive and Piezoelectric Triaxial Accelerometers Using a Highly Symmetrical Quad-Beam Structure
This paper presents the design and simulation of the capacitive, piezoresistive and piezoelectric triaxial accelerometers, which all are based on the same highly symmetrical quad-beam structure [1]. Static and...
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Chapter and Conference Paper
Demonstration of a Microscale Heat Exchanger for a Silicon Micro Gas Turbine Engine
The design, fabrication, modeling, and testing of silicon counterflow heat exchanger for use in the MIT micro gas turbine engine is discussed. Although silicon is the preferred material in microfabricated devi...
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Chapter and Conference Paper
Integrated Micromachined Tunable Lasers for All-Optical Network Applications
This paper demonstrates a miniaturized tunable laser of ∼2 mm × 1.5 mm size and a 1 × 4 tunable laser array. The tunable laser is formed by the integration of a surface-micromachined 3D micromirror with a Fabr...
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Chapter and Conference Paper
A Micormachined Coriolis-Force-Based Mass Flowmeter for Direct Mass Flow and Fluid Density Measurement
This paper reports the design and development of a set of micromachined Coriolis-force-based mass flowmeters for direct mass flow and fluid density measurements. Based on our current prototypes, the flowmeters...
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Chapter and Conference Paper
An Integrated Combustor-Thermoelectric Micro Power Generator
This paper reports a micromachined thermoelectric (TE) power generator based on catalytic combustion in a micromachined combustion chamber. The 2mm×8mm×0.5mm combustion chamber is covered by a dielectric diaph...
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Chapter and Conference Paper
Direct Microfabrication Using an X-Ray Micro-Beam
We present direct writing for three-dimensional (3D) microfabrication using an X-ray micro-beam (a few microns in diameter). The micro-beam at an energy of 10 keV was generated with a single refractive lens wh...
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Chapter and Conference Paper
Damage and Fracture Study of Non-Homogeneous Materials by Image Correlation Computation
Fracture failure of heterogeneous materials may result from damage growth in microscopic scale, such as interface debonding of various phases, coalescence of voids or microcracks, etc. Mesoscopic investigation...
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Chapter and Conference Paper
Observations on Stress-Induced Transformations in NiTi Alloys
The work focuses on stress-induced transformation in single crystal NiTi alloys. Many of the basic features of these alloys are known but there are still a number of concepts that have not been fully understoo...
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Chapter and Conference Paper
Multi-Scale Energy Release Rate in Dynamic Crack Growth of Strain-Softening Materials
Dynamic crack growth in an elastic-plastic solid containing damage has been studied under mode-I plane strain conditions from a multi-scale viewpoint. A modified Dugdale model is used to define the transition ...
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Chapter and Conference Paper
Some Recent Advances in Experimental Study of Shape Memory Alloys
This paper summarizes several recent advances in the micro-macro combined experimental study on the mechanical behavior of single crystal shape memory alloys (SMAs) by using the Moiré interferometry. The first...
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Chapter and Conference Paper
Statistics of Reflected Speckle Intensities Arising from Localized States Inside the GAP of Disordered Photonic Crystals
The field distributions of reflected speckles arising from localized states inside the gap of disordered photonic crystals in two dimensions were studied through numerical simulations using the multiple-scatte...
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Chapter and Conference Paper
The Application of SSE Technique in Fast Reconstruction
Cone beam volume computed tomography (CBVCT) provides a new technique for the reconstruction and realization in reverse engineering, which can be widely used in many fields such as non-destructive test, Virtua...
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Chapter and Conference Paper
Study on Quality Evaluation Technique for Researching and Develo** System of Mechanical Products
The Life Cycle Quality (LCQ) of equipment is formed from various processes and stages. The research and development process (RDP) is a very important stage of formalising the LCQ of equipment. To evaluate the ...
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Chapter and Conference Paper
A Remote Technique Support System of Engineering Equipment
According to the characteristics of engineering support, three kinds of wireless info-net model of remote technique support for equipment are built based on the Satellite Mobile Communication Technique (SMCT),...
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Chapter and Conference Paper
Modeling the Oxidation and Corrosion Behavior of 3D Carbon Fiber Reinforced SiC Matrix Composites from 400 to 1500 Degrees C
SiC coated three-dimensional textile carbon fiber reinforced SiC matrix composites (3D C/SiC) are promising materials for high temperature from 400 to 1500degreesC, oxidizing and corroding environment. In diff...
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Chapter and Conference Paper
Generating Mechanism and Experimental Study on Impacting Water Jet by Modulation of Chaos
Based on the advanced theory of modern scientific chaos, combining with the network theory of unsteady water jet, a network and mathematical model for the chaotic water jet has been presented. This study has b...
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Chapter and Conference Paper
Dynamic Data Exchange in the Collaborative Design Based on Internet Environment
The SQL Server is a powerful database management system. This paper analyzes the features of data for collaborative design based on Internet, researches the data transformation, data transmission and data tran...
