Mechanical and Aerospace Engineering

Works Published in 2018

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Displaying works 201 - 220 of 277 in total

Sorted by most recent date added to the index first, which may not be the same as publication date order.

2018 article

Microgrid Development using Model-Based Design

2018 IEEE GREEN TECHNOLOGIES CONFERENCE (GREENTECH), pp. 57–60.

By: M. Sonnenberg n, E. Pritchard n & D. Zhu *

author keywords: model-based design; mathematical modeling; microgrids; controls
TL;DR: This paper demonstrates how model-based design may be applied to microgrids to reap the same benefits as widely received in vehicle and industrial production and presents a microgrid design case in which the MBD approach is leverage for rapid development and verification. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: October 16, 2018

2018 journal article

Simultaneous Observation of a Topological Edge State and Exceptional Point in an Open and Non-Hermitian Acoustic System

PHYSICAL REVIEW LETTERS, 121(12).

By: W. Zhu *, X. Fang *, D. Li *, Y. Sun *, Y. Li *, Y. Jing n, H. Chen *

TL;DR: This Letter reports on the experimental observation of a topologically protected edge state and exceptional point in an open and non-Hermitian (lossy) acoustic system. (via Semantic Scholar)
Source: Web Of Science
Added: October 16, 2018

2018 journal article

The effect of pore size and density on ultrasonic attenuation in porous structures with mono-disperse random pore distribution: A two-dimensional in-silico study

JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, 144(2), 709–719.

By: O. Yousefian n, R. White n, Y. Karbalaeisadegh n, H. Banks n & M. Muller n

TL;DR: The sensitivity of the model to various parameter estimates depends on the micro-architectural parameters, pore diameter and pore density, so the ability to estimate model-sensitive parameters with a high degree of confidence is established. (via Semantic Scholar)
UN Sustainable Development Goal Categories
5. Gender Equality (Web of Science)
Source: Web Of Science
Added: October 16, 2018

2018 journal article

High temperature heat extraction from counterflow porous burner

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, 127, 436–443.

By: A. Banerjee  n & A. Saveliev n

author keywords: Porous combustion; Heat extraction; Heat regeneration; Excess enthalpy flames
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: Web Of Science
Added: October 16, 2018

2018 journal article

Scalability of conventional tube hydroforming processes from macro to micro/meso

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART B-JOURNAL OF ENGINEERING MANUFACTURE, 232(12), 2164–2177.

By: J. Lowrie n & G. Ngaile n

author keywords: Forming; micro-hydroforming; die design; size effect; hydroforming
TL;DR: The difficulties that arise as a result of simply shrinking the traditional hydroforming tools to the microscale are discussed, and a simple mathematical model is proposed as a way to help designers determine the limits of the conventional punch with a tapered nose commonly used in tube hydroforming. (via Semantic Scholar)
Source: Web Of Science
Added: October 16, 2018

2018 journal article

Design and analysis of electrohydraulic pressure systems for variable recruitment in fluidic artificial muscles

SMART MATERIALS AND STRUCTURES, 27(10).

By: E. Chapman, T. Jenkins* & M. Bryant*

author keywords: fluidic artificial muscles; McKibben muscle; variable recruitment; hydraulic artificial muscle; bio-inspired; efficiency
TL;DR: A coupled dynamic model of the FAM system is developed and applied to study the implications of hydraulic power system architecture for both variable recruitment actuator bundles and equivalent single-muscle actuators, revealing that variable recruitment offers bandwidth advantages over the single equivalent actuator regardless of the hydraulic power architecture that is selected. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: October 16, 2018

2018 journal article

A coupled LES-ODT model for spatially-developing turbulent reacting shear layers

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, 127, 458–473.

By: A. Hoffie n & T. Echekki n 

author keywords: Large Eddy simulation; One-dimensional turbulence; LES-ODT; Turbulent reacting spatially-developing shear layers
Sources: Web Of Science, ORCID, NC State University Libraries
Added: October 16, 2018

2018 journal article

Dielectric and piezoelectric properties of 0.7 Pb(Mg1/3Nb2/3)O-3-0.3 PbTiO3 single crystal poled using alternating current

MATERIALS RESEARCH LETTERS, 6(10), 537–544.

By: W. Chang n, C. Chung n, C. Luo n, T. Kim n, Y. Yamashita n, J. Jones n, X. Jiang n

author keywords: PMN-PT single crystal; Dielectric and piezoelectric properties; Field-induced phase transition; Aging rate
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: October 16, 2018

2018 journal article

Model-based feedforward and cascade control of hydraulic McKibben muscles

SENSORS AND ACTUATORS A-PHYSICAL, 275, 88–98.

By: M. Meller*, B. Kogan*, M. Bryant n & E. Garcia *

author keywords: McKibben muscle; Fluidic artificial muscle; Hydraulic artificial muscle; Fluid power control; Hydraulic control; Robotics
TL;DR: Three different controllers developed for a loaded robotic arm actuated with oil-hydraulic McKibben muscles are investigated, showing that a simple proportional-integral controller has significant phase lag and attenuation at the higher frequencies tested; including the feedforward term almost completely eliminates these. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2018 journal article

Thermal Energy Storage Configurations for Small Modular Reactor Load Shedding

NUCLEAR TECHNOLOGY, 202(1), 53–70.

By: K. Frick  n, C. Misenheimer n, J. Doster n, S. Terry n & S. Bragg-Sitton *

author keywords: Thermal energy storage; small modular reactor; integral pressurized water reactor
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2018 journal article

Study on Attenuation Properties of Surface Wave of AE Simulation Source Based on OPCM Sensor Element

Journal of Sensors, 2018.

By: Z. Wang *, X. Xue *, X. Li*, Z. Jiang* & K. Reddy n

Contributors: Z. Wang *, X. Xue *, X. Li*, Z. Jiang* & K. Reddy n

TL;DR: The experiment results show that OPCM sensor elements have unique advantages compared to piezoelectric ceramic materials (PZT) and a new method for measuring the attenuation coefficient of surface waves is demonstrated. (via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Sources: ORCID, NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2018 journal article

Reconstructed discontinuous Galerkin methods for linear advection-diffusion equations based on first-order hyperbolic system

JOURNAL OF COMPUTATIONAL PHYSICS, 369, 103–124.

By: J. Lou n, L. Li n, H. Luo n & H. Nishikawa *

author keywords: Reconstructed Discontinuous Galerkin methods; First-order hyperbolic system; Advection-diffusion equations; Unstructured grids
TL;DR: Numerical experiments demonstrate that the newly developed hyperbolic rDG methods are able to achieve the designed optimal order of accuracy for both solutions and their derivatives on regular, irregular, and heterogeneous grids, indicating that the developed hyperBolic rG methods provide an attractive and probably an even superior alternative for solving the linear advection–diffusion equations. (via Semantic Scholar)
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2018 journal article

Numerical Modeling of Ultrasound Propagation in Weakly Heterogeneous Media Using a Mixed-Domain Method

IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL, 65(7), 1258–1267.

By: J. Gu n & Y. Jing n

author keywords: Focused ultrasound; heterogeneous media; mixed-domain method (MDM); one-way propagation
MeSH headings : Computer Simulation; Fourier Analysis; Image Processing, Computer-Assisted / methods; Models, Theoretical; Transducers; Ultrasonography / methods
TL;DR: It is shown that this method is accurate for cases with small variation of sound speed and computationally efficient and accurate method when used to model wave propagation in biological tissue with relatively weak heterogeneities. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2018 journal article

Light-Induced Buckles Localized by Polymeric Inks Printed on Bilayer Films

SMALL, 14(20).

By: S. Park  n, U. Nallainathan n, K. Mondal n, P. Sen n & M. Dickey n 

author keywords: bilayer films; light-induced buckles; localized instability; polymeric inks
TL;DR: Here, sacrificial "ink" patterned on top of the film stack localizes the buckles via two mechanisms, which works on glass substrates, but not silicon substrate, due to the superior thermal insulation of glass. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2018 journal article

Generation of multiband spoof surface acoustic waves via high-order modes

PHYSICAL REVIEW B, 97(21).

By: L. Wu *, G. Song *, W. Cao *, Q. Cheng *, T. Cui * & Y. Jing n

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2018 journal article

Gas density field imaging in shock dominated flows using planar laser scattering

EXPERIMENTS IN FLUIDS, 59(7).

By: J. Pickles n, B. Mettu n, P. Subbareddy n & V. Narayanaswamy n 

Contributors: J. Pickles n, B. Mettu n, P. Subbareddy n & V. Narayanaswamy n 

Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2018 review

Flexoelectricity in dielectrics: Materials, structures and characterizations

[Review of ]. JOURNAL OF ADVANCED DIELECTRICS, 8(2).

By: S. Huang n, L. Qi  n, W. Huang *, L. Shu *, S. Zhou * & X. Jiang n

author keywords: Flexoelectricity; dielectrics; semiconductor; thermal dependence; health monitoring
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2018 journal article

Flexoelectricity in a metal/ferroelectric/semiconductor heterostructure

AIP ADVANCES, 8(6).

By: S. Huang n, H. Yau*, H. Yu  n, L. Qi  n, F. So n , J. Dai *, X. Jiang n

UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2018 journal article

Cooperative output regulation of multi-agent systems with switched leader dynamics

INTERNATIONAL JOURNAL OF SYSTEMS SCIENCE, 49(7), 1463–1477.

By: C. Yuan * & F. Wu n

author keywords: Multi-agent systems; cooperative output regulation; switching systems
TL;DR: The cooperative output regulation problem for heterogeneous multi-agent systems is addressed by considering a switched leader dynamics, which consists of multiple linear models and a switching rule governing the switches among them and which can be jointly synthesised via efficient semi-definite programming. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2018 conference paper

Compression ramp induced shock wave/turbulent boundary layer interactions on a compliant material

AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, 2018, 56(7), 2925–2929.

By: H. Pham n, Z. Gianikos n & V. Narayanaswamy n 

Contributors: H. Pham n, Z. Gianikos n & V. Narayanaswamy n 

Sources: NC State University Libraries, ORCID, NC State University Libraries
Added: August 6, 2018

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