Mechanical & Industrial Engineering: المرسلات الحديثة
السجلات المعروضة 241 -- 260 من 1396
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Dynamic Response of a Rotating Assembly under the Coupled Effects of Misalignment and Imbalance
( Hindawi Limited , 2020 , Article)In rotating machinery, the second most common fault after imbalance is misalignment. Misalignment can have a severe impact on equipment and may reduce the machine's lifetime considerably. In this paper, the simultaneous ... -
On the Prediction of the Flow Behavior of Metals and Alloys at a Wide Range of Temperatures and Strain Rates Using Johnson-Cook and Modified Johnson-Cook-Based Models: A Review
( MDPI , 2023 , Article Review)This paper reviews the flow behavior and mathematical modeling of various metals and alloys at a wide range of temperatures and strain rates. Furthermore, it discusses the effects of strain rate and temperature on flow ... -
New Simulation Model for Workload Analysis Addressing Occupational Stress in a Production Company
( Elsevier , 2022 , Conference Paper)In today's world, occupational stress is identified as a major health issue within most organizations. The reason the spotlight has been focused on occupational stress in recent years is that it can have a negative impact ... -
Greedy algorithms and metaheuristics for a multiple runway combined arrival-departure aircraft sequencing problem
( Elsevier , 2013 , Article)This paper examines the Aircraft Sequencing Problem (ASP) over multiple runways, under mixed mode operations with the objective of minimizing the total weighted tardiness of aircraft landings and departures simultaneously. ... -
Meta-heuristics for aircraft arrival and departure scheduling on multiple runways
( Institute of Industrial Engineers , 2012 , Conference Paper)The problem of scheduling aircrafts on multiple runways can be modeled as an identical parallel machine scheduling with release times, target times and deadlines. To schedule arriving and departing aircrafts as close as ... -
Heuristic algorithms for aircraft sequencing problem
(2012 , Conference Paper)Delays in flights resulting in multi-billion-dollar losses are declared annually worldwide. Hence, an identification of air traffic policies that can reduce frequent and costly inefficiencies is needed. The problem of ... -
Multiple-runway aircraft sequencing problems using mixed-integer programming
( Institute of Industrial Engineers , 2012 , Conference Paper)We examine aircraft sequencing problems over multiple runways, under mixed mode operations, with the objective of minimizing the total weighted tardiness of aircraft landings and departures. A mixed-integer programming ... -
Smartphone-based Vehicle Telematics for Naturalistic Driving Studies
( Institute of Electrical and Electronics Engineers Inc. , 2022 , Conference Paper)Motor vehicle collisions (MVCs) are the eighth leading cause of death worldwide. Globally, there are 1.35 million deaths with 50 million injuries annually. It is important to understand and record how people drive and ... -
Solving a Bus Routing Problem Arising in Doha
( IEEE Computer Society , 2022 , Conference Paper)The generic variant of the school bus routing problem requires finding a set of routes that cover a predefined set of student pickup locations in order to minimize travel time while satisfying various constraints. In this ... -
Synthesis and characterization of electroactive novel poly-2-cynoaniline
( Indian Academy of Sciences , 2014 , Article)Uniform needle-like structures of poly-2-cynoaniline are formed without the use of any template by electrochemical oxidative polymerization method on copper electrode in acidic medium. The structural characterizations are ... -
Electrodeposited white bronzes on brass: Corrosion in 3.5 % sodium chloride solution
( Elsevier , 2020 , Article)White bronzes are electrodeposited coatings applied on brass as surface finishes. We report a comparative study on the corrosion resistance in chloride aqueous environment of two white bronzes, a Zn-bearing and a Zn-free. ... -
N-cetyl-N,N,N trimethyl ammonium bromide (CTAB)-stabilized polyaniline: a corrosion inhibitor for mild steel
( Emerald Publishing , 2018 , Article)Purpose: The purpose of this study is to compare the inhibitive effect of polyaniline (PAni) and N-cetyl-N,N,N trimethyl ammonium bromide (CTAB)-stabilized PAni in a hydrochloric acid (HCl) medium. Design/methodology/approach: ... -
Polymeric smart coatings containing modified capped halloysite nanotubes for corrosion protection of carbon steel
( Springer , 2023 , Article)A newly designed smart self-healing epoxy coating system comprised of modified halloysite nanotubes (HNTs) having capping is proposed for corrosion protection of steel. In the first step, HNTs were loaded with 8-hydroxyquinoline ... -
Electrochemical and X-ray photoelectron spectroscopic investigations of conductive polymers
( Springer Nature , 2019 , Article)We report the synthesis of high soluble poly(aniline-co-o-hydroxyaniline) copolymers with varying the amount of o-hydroxyaniline (20, 40, 60, and 80 %) and referred as PA-co-o-HA20, PA-co-o-HA40, PA-co-o-HA60, and PA-co-o-HA80 ... -
Electrodeposition of Duplex Ni–B–Zn/Co Composite Coatings
(2020 , Article)This research article focusses on the Ni–B–Zn/Co composite coatings synthesized via an electrodeposition process. Electrodeposited Ni–B composite coatings have several advantages, such as excellent corrosion as well as ... -
Highly crystalline and thermally stable poly(aniline-co-2-nitroaniline)
( Springer Nature , 2020 , Article)Abstract: To synthesize a crystalline polymer is unconventional. Here, we found the well-defined hexagonal or rectangular cubical shape of poly(aniline-co-2-nitroaniline)s PA-co-2-NAs through scanning electron microscopy. ... -
Preparation and properties of electrodeposited Ni-B-V2O5 composite coatings
( Elsevier , 2021 , Article)Coatings of Ni-B have gained significant importance in various industries owing to their major role in improving mechanical properties including hardness, conductivity, and wear resistance. Despite all these characteristic ... -
Poly(aniline-co-o-nitroaniline): transport properties using electrochemical impedance spectroscopy
( Springer Science and Business Media Deutschland GmbH , 2020 , Article)Highly uniform ac conductivity and dielectric permittivity of poly(aniline-co–o-nitroaniline) (PA-co-o-NA)s have been recorded by using electrochemical impedance spectroscopy in the frequency range of 10–2–107 Hz. Also, ... -
Effect of addition of Pd on electrodeposited Ni–B coatings
( Springer Science and Business Media Deutschland GmbH , 2022 , Article)In this study, the effect of addition of a noble metal (Pd) to the Ni–B nano-coating is studied. The Ni–B and Ni–B–Pd coatings are synthesized from aqueous electrolytes using direct current. The Ni–B coating is found to ... -
Cyclic voltammetry and XPS studies of poly (aniline-co-3-aminophenol)
( Springer Science and Business Media Deutschland GmbH , 2022 , Article)In the present work, we prepared enormously soluble poly (aniline-co-3-aminophenol) (PA-co-3-AP) copolymers via a simple chemical oxidative method with aniline and 3-aminophenol, and their properties are compared with ...
