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2019

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Articles 1441 - 1470 of 1647

Full-Text Articles in Mechanical Engineering

Power/Thermal Interaction Within An Adaptive Turbine Engine, Andrew K. Desomma Jan 2019

Power/Thermal Interaction Within An Adaptive Turbine Engine, Andrew K. Desomma

Browse all Theses and Dissertations

Usually power take off (PTO) with a two-spool turbofan engine has been accomplished via the high pressure (HP) shaft and bleed air from the high-pressure compressor (HPC). The PTO is used to run various aircraft components such as generators and hydraulic pumps, which also produce waste heat. To better understand the coupled transient nature of balancing engine thrust, power take off and thermal management, a transient variable cycle three stream turbofan engine model has been developed to investigate the integrated behavior. The model incorporates many dynamic features including a third-stream heat exchanger as a heat sink for thermal management and …


Molecular Dynamics Study Of Sintering Behavior Of Single-Crystal, Bimetallic Core/Shell Alloy, And Intermetallic Alloy Nanoparticles, Jungmin Jeon Jan 2019

Molecular Dynamics Study Of Sintering Behavior Of Single-Crystal, Bimetallic Core/Shell Alloy, And Intermetallic Alloy Nanoparticles, Jungmin Jeon

Electronic Theses and Dissertations

There has been rapidly growing interest in the sintering process of nanoparticles (NPs) among academia and modern industry due to their promising applications in additive manufacturing (AM) based on the overall improved properties at nanoscale. In the past decade a lot of experimental and computational work has been conducted to study the sintering process of powder materials. However there is still a significant knowledge gap in a fundamental understanding of the thermodynamics and nanostructural evolution of NPs undergoing additive manufacturing. This thesis aims to gain fundamental insights into melting behavior of different materials including single-crystal bimetallic core/shell alloy and intermetallic …


Experimental And Numerical Investigation Of A Novel Adsorption Bed Design For Cooling Applications, Ramy H. Mohammed Jan 2019

Experimental And Numerical Investigation Of A Novel Adsorption Bed Design For Cooling Applications, Ramy H. Mohammed

Electronic Theses and Dissertations

A global challenge is to develop environmentally friendly, affordable, compact and sustainable technologies to provide heating and cooling power. Adsorption cooling (AC) technology is one of the most promising ways to solve the environmental issues and cut down the energy consumption related to the traditional air conditioning and refrigeration systems. However, AC systems still suffer from poor heat and mass transfer inside the adsorption bed, which is the main obstacle to commercialization of adsorption cooling units. The main goal of this study is designing an efficient adsorption cooling cycle. In this research work, an in-depth scaling analysis of heat and …


Proceedings Of The 19th Annual Early Career Technical Conference (Front Matter), Ectc Coordinating Committee Jan 2019

Proceedings Of The 19th Annual Early Career Technical Conference (Front Matter), Ectc Coordinating Committee

Early Career Technical Journal (ECTJ)

Proceedings of the 19th Annual Early Career Technical Conference, November 2-3, 2019. School of Engineering, University of Alabama at Birmingham, Birmingham, Alabama; pp. i-xii


Section 1: Materials & Design, Ectc Coordinating Committee Jan 2019

Section 1: Materials & Design, Ectc Coordinating Committee

Early Career Technical Journal (ECTJ)

Proceedings of the 19th Annual Early Career Technical Conference, November 2-3, 2019. School of Engineering, University of Alabama at Birmingham, Birmingham, Alabama; pp. 1-21


Section 2: Materials & Testing, Ectc Coordinating Committee Jan 2019

Section 2: Materials & Testing, Ectc Coordinating Committee

Early Career Technical Journal (ECTJ)

Proceedings of the 19th Annual Early Career Technical Conference, November 2-3, 2019. School of Engineering, University of Alabama at Birmingham, Birmingham, Alabama; pp. 22-41


Section 3: Robotics & Computing, Ectc Coordinating Committee Jan 2019

Section 3: Robotics & Computing, Ectc Coordinating Committee

Early Career Technical Journal (ECTJ)

Proceedings of the 19th Annual Early Career Technical Conference, November 2-3, 2019. School of Engineering, University of Alabama at Birmingham, Birmingham, Alabama; pp. 42-75


Section 4: Sustainability & Design, Ectc Coordinating Committee Jan 2019

Section 4: Sustainability & Design, Ectc Coordinating Committee

Early Career Technical Journal (ECTJ)

Proceedings of the 19th Annual Early Career Technical Conference, November 2-3, 2019. School of Engineering, University of Alabama at Birmingham, Birmingham, Alabama; pp. 76-95


Section 6: Thermal Sciences, Ectc Coordinating Committee Jan 2019

Section 6: Thermal Sciences, Ectc Coordinating Committee

Early Career Technical Journal (ECTJ)

Proceedings of the 19th Annual Early Career Technical Conference, November 2-3, 2019. School of Engineering, University of Alabama at Birmingham, Birmingham, Alabama; pp. 113-145


Section 5: Materials, Ectc Coordinating Committee Jan 2019

Section 5: Materials, Ectc Coordinating Committee

Early Career Technical Journal (ECTJ)

Proceedings of the 19th Annual Early Career Technical Conference, November 2-3, 2019. School of Engineering, University of Alabama at Birmingham, Birmingham, Alabama; pp. 96-112


Proceedings Of The 19th Annual Early Career Technical Conference (Complete Issue), Ectc Coordinating Committee Jan 2019

Proceedings Of The 19th Annual Early Career Technical Conference (Complete Issue), Ectc Coordinating Committee

Early Career Technical Journal (ECTJ)

Proceedings of the 19th Annual Early Career Technical Conference, November 2-3, 2019. School of Engineering, University of Alabama at Birmingham, Birmingham, Alabama


Optimization Of Mechanical Properties In Magnesium Zinc Alloys, Christopher Hale, Zhigang Xu, Honglin Zhang, Sergey Yarmolenko, Jagannathan Sankar Jan 2019

Optimization Of Mechanical Properties In Magnesium Zinc Alloys, Christopher Hale, Zhigang Xu, Honglin Zhang, Sergey Yarmolenko, Jagannathan Sankar

Early Career Technical Journal (ECTJ)

Section 1: Materials & Design; pp. 3-7


High Strain-Rate Sensitivity And Energy Absorption Of Duroprotect, A Fiber-Reinforced Ballistics Composite, Ivy Turner, Rowan Baird, Sofia Serafin, Birendra Chaudhary, Jose Torrado, Damian Stoddard Jan 2019

High Strain-Rate Sensitivity And Energy Absorption Of Duroprotect, A Fiber-Reinforced Ballistics Composite, Ivy Turner, Rowan Baird, Sofia Serafin, Birendra Chaudhary, Jose Torrado, Damian Stoddard

Early Career Technical Journal (ECTJ)

Section 1: Materials & Design; pp. 8-14


Section 7: Numerical Methods, Ectc Coordinating Committee Jan 2019

Section 7: Numerical Methods, Ectc Coordinating Committee

Early Career Technical Journal (ECTJ)

Proceedings of the 19th Annual Early Career Technical Conference, November 2-3, 2019. School of Engineering, University of Alabama at Birmingham, Birmingham, Alabama; pp. 146-178


On The Design And Development Of A Monolithic Compliant Gripper And Serial Closed Loop Chain Mechanism, Martin Garcia, Ayse Tekes Jan 2019

On The Design And Development Of A Monolithic Compliant Gripper And Serial Closed Loop Chain Mechanism, Martin Garcia, Ayse Tekes

Early Career Technical Journal (ECTJ)

Section 1: Materials & Design; pp. 16-21


Machine Design Companion Using Matlab, Paul Pena, Mir Atiqullah Jan 2019

Machine Design Companion Using Matlab, Paul Pena, Mir Atiqullah

Early Career Technical Journal (ECTJ)

Section 1: Materials & Design; p. 15


Study Of The Shift In Material Properties Due To Structural Damage In Bio-Composites, Gavin Stockstill, Maharshi J. Dave, Tejas Pandya, Jason Street Jan 2019

Study Of The Shift In Material Properties Due To Structural Damage In Bio-Composites, Gavin Stockstill, Maharshi J. Dave, Tejas Pandya, Jason Street

Early Career Technical Journal (ECTJ)

Section 2: Materials & Testing; pp. 24-26


Dynamic Response Of Porous Metallic And Polymeric Foams For Enhancing Energy Absorption Under High Strain-Rates, Suman Babu Ukyam, Damian Stoddard, P Raju Mantena Jan 2019

Dynamic Response Of Porous Metallic And Polymeric Foams For Enhancing Energy Absorption Under High Strain-Rates, Suman Babu Ukyam, Damian Stoddard, P Raju Mantena

Early Career Technical Journal (ECTJ)

Section 2: Materials & Testing; p. 33


Dynamic Compressive Behavior And Energy Absorption Of Ethylene Polyurethane Diene Monomer Foam Using Split Hopkinson Pressure Bar Technique, Rowan E. Baird, Mason Tudor, Damian Stoddard Jan 2019

Dynamic Compressive Behavior And Energy Absorption Of Ethylene Polyurethane Diene Monomer Foam Using Split Hopkinson Pressure Bar Technique, Rowan E. Baird, Mason Tudor, Damian Stoddard

Early Career Technical Journal (ECTJ)

Section 2: Materials & Testing; pp. 27-32


Comparative Analysis And Dynamic Response Of Garolites Under Temperature Spectrum Using Low Velocity Impact Test, Birendra Chaudhary, Suman Babu Ukyam, Damian Stoddard Jan 2019

Comparative Analysis And Dynamic Response Of Garolites Under Temperature Spectrum Using Low Velocity Impact Test, Birendra Chaudhary, Suman Babu Ukyam, Damian Stoddard

Early Career Technical Journal (ECTJ)

Section 2: Materials & Testing; pp. 34-41


Autonomous Vehicle Simulation Using Open Source Software Carla, Emily Barbour, Kevin Mcfall Jan 2019

Autonomous Vehicle Simulation Using Open Source Software Carla, Emily Barbour, Kevin Mcfall

Early Career Technical Journal (ECTJ)

Section 3: Robotics & Computing; pp. 50-57


Comparison Of Dense Descriptors For Image Enhancement, Mohsime Taarji, Arie Nakhmani Jan 2019

Comparison Of Dense Descriptors For Image Enhancement, Mohsime Taarji, Arie Nakhmani

Early Career Technical Journal (ECTJ)

Section 3: Robotics & Computing; pp. 44-49


Development Of A Pre-Processing Tool For The 3d Eulerian Code Aleas, Yasir A. Alfawzan, Kenneth Walls Jan 2019

Development Of A Pre-Processing Tool For The 3d Eulerian Code Aleas, Yasir A. Alfawzan, Kenneth Walls

Early Career Technical Journal (ECTJ)

Section 3: Robotics & Computing; pp. 62-67


Real-Time Virtual Remotely Operated Vehicle, Tyler Gragg, Kevin Mcfall Jan 2019

Real-Time Virtual Remotely Operated Vehicle, Tyler Gragg, Kevin Mcfall

Early Career Technical Journal (ECTJ)

Section 3: Robotics & Computing; pp. 58-61


Developing Semi-Autonomous Flight Control Software For A Meta Aircraft Of Two Fixed Wing Aircraft With A Raspberry Pi + Navio2 Flight Controller, Maxwell J. Cobar, Carlos J. Montalvo Jan 2019

Developing Semi-Autonomous Flight Control Software For A Meta Aircraft Of Two Fixed Wing Aircraft With A Raspberry Pi + Navio2 Flight Controller, Maxwell J. Cobar, Carlos J. Montalvo

Early Career Technical Journal (ECTJ)

Section 3: Robotics & Computing; pp. 68-75


Exploring Methodology For Development Of Sustainable Construction Management Processes In Puerto Rico, Magdelena Krstanoski, Rafael Melendez Jan 2019

Exploring Methodology For Development Of Sustainable Construction Management Processes In Puerto Rico, Magdelena Krstanoski, Rafael Melendez

Early Career Technical Journal (ECTJ)

Section 4: Sustainability & Design; pp. 78-83


Design Of A Novel Compliant Knee Joint And Swimming Robot: Preliminary Results, Niko Giannakakos, Joshua Hooper, Andy Houghton, Ayo Ajayi, Mason Mccun, Ayse Tekes Jan 2019

Design Of A Novel Compliant Knee Joint And Swimming Robot: Preliminary Results, Niko Giannakakos, Joshua Hooper, Andy Houghton, Ayo Ajayi, Mason Mccun, Ayse Tekes

Early Career Technical Journal (ECTJ)

Section 4: Sustainability & Design; pp. 84-87


Structural Design Of A New Crash Cushion, Kent Walls, Kevin Schrum Jan 2019

Structural Design Of A New Crash Cushion, Kent Walls, Kevin Schrum

Early Career Technical Journal (ECTJ)

Section 4: Sustainability & Design; pp. 88-95


Flexural Performance Of Microcrystalline Cellulose Based Wood Composite Under Four- Point Bending, Maharshi Dave, Tejas Pandya, Jason Street Jan 2019

Flexural Performance Of Microcrystalline Cellulose Based Wood Composite Under Four- Point Bending, Maharshi Dave, Tejas Pandya, Jason Street

Early Career Technical Journal (ECTJ)

Section 5: Materials; pp. 98-101


Macroscopic Evolution Of Corrosion In An Aluminum Alloy, Tete Tevi, Ramana M. Pidaparti Jan 2019

Macroscopic Evolution Of Corrosion In An Aluminum Alloy, Tete Tevi, Ramana M. Pidaparti

Early Career Technical Journal (ECTJ)

Section 5: Materials; pp. 102-105