Results 31 to 40 of about 6,942,124 (246)

Tribological Characteristics of Piston Ring in a Free-piston Engine for Linear Generator

open access: yesEnergy Procedia, 2014
AbstractThis research aims to obtain the piston ring tribological characteristics of a free-piston engine. Mathematical models of piston ring seal and lubrication were established based on thermodynamic equation and hydrodynamic lubrication equation.
Yuan, Chenheng   +3 more
openaire   +1 more source

Development of a spark ignition free-piston engine generator [PDF]

open access: yes, 2015
PhD ThesisA dual-piston type two-stroke spark-ignition free-piston engine generator prototype has been developed. A comprehensive review on recent published researches and patent documents from academia and industrial organisations on free-piston engine ...
Hanipah., Mohd Razali
core   +4 more sources

Upcycling Keratin‐Based Textile Waste Into High‐Performance Hybrid Fibers Via Tuning the Interfacial Interactions

open access: yesAdvanced Functional Materials, EarlyView.
Keratin recovered from animal‐hair textile waste is fractionated and blended with cellulose to produce continuously spun hybrid fibers. Selecting the high‐molecular‐weight keratin fraction enables 30 wt.% keratin incorporation while maintaining high strength in dry and wet states.
Mian Zhai   +6 more
wiley   +1 more source

development of a Free-Piston Linear Generator for use in an Extended-Range Electric Vehicle [PDF]

open access: yes, 2012
This paper presents the development methodology of the Free-Piston Linear Generator. The FPLG is a free-piston combustion engine with an integrated linear generator. The engine can be used as a range-extending device in an electric vehicle.
Friedrich, Horst E., Ferrari, Cornelius
core  

DC Bus Voltage Control of a Free-Piston Linear Generator

open access: yes, 2016
This paper presents a DC-bus voltage regulation strategy to rectify the fluctuated AC voltage into stable DC-bus voltage for the Free-Piston Linear Generator (FPLG) in stable operation state. Considering that the frequency and amplitude of the AC voltage
Gao, Yanxia   +12 more
core   +1 more source

Ensuring Steady Operation of Free-Piston Generator [PDF]

open access: yesJournal of Systemics, Cybernetics and Informatics, 2006
This paper describes Free-Piston Generator (FPG) model and its control for achieving steady operation. A FPG is a special type of combustion engine representing a new approach concerning the conversion of the chemical energy of hydrocarbon fuel into ...
Pavel Nemecek
doaj  

Performance of a tubular machine driven by an external-combustion free-piston engine

open access: yesThe Journal of Engineering, 2019
Free-piston engines have the potential to offer a compact machine capable of delivering electrical power. In this work, the design and modelling of a linear tubular generator are presented and used to investigate the effect of the electrical machine ...
Nick J. Baker   +3 more
doaj   +1 more source

Analysis of tubular-type linear generator for free-piston engine

open access: yesRE&PQJ
Tubular-type linear generator for the free-piston engine is anlayzed using finite element method and its characteristics are explaind. Magnetic characteristics of the linear generator are calculated using the finite element method and various structures are considered to achieve the lowest detent force within the rated voltage. The path of the magnetic
null Sun-Ki Hong   +4 more
openaire   +1 more source

Biodegradable 3D‐Printable and Coatable Antifouling Composites for Marine Applications

open access: yesAdvanced Functional Materials, EarlyView.
Marine biofouling damages submerged surfaces and raises greenhouse gas emissions. Biodegradable antifouling biocomposites were developed by hot‐mixing beeswax, Tween 80, and calcium stearate or stearic acid. Adjusting the component ratio enables processing via hot‐pressing, 3D‐printing, or dip‐coating.
Gabriele Corigliano   +17 more
wiley   +1 more source

The linear generator as integral component of an energy converter for electric vehicles [PDF]

open access: yes, 2011
The system in which the linear generator (LG) is integrated is called free-piston linear generator (FPLG). He is able to convert chemical energy into electrical energy by using a combustion process.
Rinderknecht, Frank
core  

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