International Journal of Precision Engineering and Manufacturing-Green Technology Volume 8 Issue 1

Journal Article

Estimation of Energy Savings When Adopting Ultrasonic Vibration-Assisted Magnetic Compound Fluid Polishing

Jiang, Chen; Huang, Jialei; Jiang, Zhenyu; Qian, Dabing; Hong, Xiaolan

2019 International Journal of Precision Engineering and Manufacturing-Green Technology

Reducing energy use is a major consideration in green manufacturing. Ultrasonic vibration has the advantage of improving machining performance. This work presents an experimental investigation on magnetic compound fluid (MCF) polishing with and without ultrasonic vibration and estimates...

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Journal Article

Design for Additive Manufacturing of Functionally Graded Lattice Structures: A Design Method with Process Induced Anisotropy Consideration

Nguyen, Cong Hong Phong; Kim, Youngdoo; Choi, Young

2019 International Journal of Precision Engineering and Manufacturing-Green Technology

doi:10.1007/s40684-019-00173-7

Lattice structures are well-known as a solution for designing parts with lightweight and multifunctional characteristics. Owing to the advancement of additive manufacturing (AM), the development of design methods for additively manufactured lattice structures has extensively progressed,...

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Journal Article

Realization of Superhydrophobic Surfaces Based on Three-Dimensional Printing Technology

Kang, Beomchan; Sung, Jaebum; So, Hongyun

2019 International Journal of Precision Engineering and Manufacturing-Green Technology

doi:10.1007/s40684-019-00163-9

A superhydrophobic surface was successfully realized using fused deposition modeling-type three-dimensional (3D) printing technology. The low printing resolution (400 μm) and various printing angles from 0° to 90° were employed to print the mold for casting of polymer surfaces. The polymer...

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Journal Article

Roll-to-Roll Embossing of Optical Radial Fresnel Lenses on Polymer Film for Concentrator Photovoltaics: A Feasibility Study

Huang, Rui; Zhang, XinQuan; Ng, Boon Ping; Kumar, A. Senthil; Liu, Kui

2019 International Journal of Precision Engineering and Manufacturing-Green Technology

doi:10.1007/s40684-019-00166-6

Fresnel-based concentrated photovoltaic (CPV) solar power systems have been proven effective to significantly enhance the photoelectric conversion efficiency, but a standard-size solar plant will require an extremely large amount of polymer radial Fresnel lenses. Roll-to-roll (R2R) manufacturing...

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Journal Article

Wind Turbine’s Gearbox Aided Design Approach Using Bond Graph Methodology and Monte Carlo Simulation

Jouilel, Naima; Radouani, Mohammed; El Fahime, Benaissa

2019 International Journal of Precision Engineering and Manufacturing-Green Technology

doi:10.1007/s40684-019-00170-w

Uncertainties in geared products vary according to different levels; there are design uncertainties (physical assumptions, parameters estimations, etc.), manufacturing errors (cutting defects, assembly errors, defects due to heat treatments, etc.) and operating errors such as lubrication. In this...

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Journal Article

Laminated Structure of Al2O3 and TiO2 for Enhancing Performance of Reverse Electrowetting-On-Dielectric Energy Harvesting

Yang, Hwichul; Lee, Hojae; Lim, Yonghyun; Christy, Maria; Kim, Young-Beom

2019 International Journal of Precision Engineering and Manufacturing-Green Technology

doi:10.1007/s40684-019-00145-x

Reverse electrowetting-on-dielectric (REWOD) is a novel energy harvesting technique that has been gaining considerable amount of attention owing to its high power output even with the small amount of disturbance. To enhance the output power of REWOD, the dielectric layers in the system require a...

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Journal Article

Modelling and Validation of Electret-Based Vibration Energy Harvesters in View of Charge Migration

Yang, Zhaoshu; Tang, Lihua; Tao, Kai; Aw, Kean C.

2019 International Journal of Precision Engineering and Manufacturing-Green Technology

doi:10.1007/s40684-019-00156-8

One of the key problems of electret-based vibration energy harvester (eVEH) modelling is that the surface voltage itself cannot precisely reveal the charge storage characteristics of the electret fabricated by different processes. In this paper, we endeavor to interpret the charge migration...

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Journal Article

Optimal Energy Management of the Electric Excavator Using Super Capacitor

Yi, Hyeon-Seop; Cha, Sukwon

2019 International Journal of Precision Engineering and Manufacturing-Green Technology

doi:10.1007/s40684-019-00138-w

Recently, petrol engines have been removed and replaced with fuel cells, batteries, and super capacitors as alternative power sources, in vehicles and construction machinery. Electric vehicles driven by batteries have been the only mass-produced vehicle with an alternative power source, while...

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Journal Article

Analysis of Transmission Efficiency of a Plug-In Hybrid Vehicle Based on Operating Modes

Lee, Woong; Park, Jinryoung; Kim, Namwook

2019 International Journal of Precision Engineering and Manufacturing-Green Technology

doi:10.1007/s40684-019-00147-9

Hybrid powertrain systems have become mature technologies because they are able to achieve high-fuel efficiencies and improve driving performances. In order to maximize the use of electric machines, new transmission systems are incorporated into the hybrid powertrains. The Cadillac CT6 plug-in,...

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Journal Article

Quantitative Analysis of Carbon Emissions in Precision Turning Processes and Industrial Case Study

Jiang, Zhipeng; Gao, Dong; Lu, Yong; Kong, Linghao; Shang, Zhendong

2019 International Journal of Precision Engineering and Manufacturing-Green Technology

doi:10.1007/s40684-019-00155-9

With growing concerns regarding the global environment, the industrial sector has played a significant role; that is, it is responsible for consuming large amount of energy and resources, while simultaneously producing wastes and carbon dioxide. A quantitative calculation of carbon emission in...

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International Journal of Precision Engineering and Manufacturing-Green Technology Volume 8 Issue 1

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International Journal of Precision Engineering and Manufacturing-Green Technology Volume 8 Issue 1

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