Results 21 to 30 of about 336,595 (312)

The influence of auditory feedback on speed choice, violations and comfort in a driving simulation game [PDF]

open access: yes, 2011
Two experiments are reported which explore the relationships between auditory feedback (engine noise), speed choice, driving violations and driver comfort.
  +8 more
core   +3 more sources

Experimental Investigation of Hydrous Ethanol Gasoline on Engine Noise, Cyclic Variations and Combustion Characteristics

open access: yesEnergies, 2022
Nowadays, the noise pollution of internal combustion engines is a very important factor influencing human health and is the main noise source of urban environmental noise.
Zhenbin Chen   +4 more
doaj   +1 more source

Research on the sharpness of combustion noise of three-cylinder GDI engine based on adaptive cyclic Wiener filter method

open access: yesAIP Advances, 2022
In order to analyze the sharpness of combustion noise of the gasoline direct injection (GDI) engine, the in-cylinder pressure and noise of different loads and speeds of a three-cylinder GDI engine are measured.
Kang Zheng   +4 more
doaj   +1 more source

Aircraft Noise Assessment—From Single Components to Large Scenarios

open access: yesEnergies, 2018
The strategic European paper “Flightpath 2050” claims dramatic reductions of noise for aviation transport scenarios in 2050: “...The perceived noise emission of flying aircraft is reduced by 65%.
Jan Delfs   +6 more
doaj   +1 more source

Simplification of sound-pressure characteristics using narrow flow channels subject with temperature gradient [PDF]

open access: yesMATEC Web of Conferences, 2018
A thermoacoustic engine is one of promising system for utilization of unused energy. The object of this paper is to study the system of unused energy, such as heat energy and sound energy in noise using thermoacoustic engine. The thermoacoustic engine is
Kyoden Tomoaki
doaj   +1 more source

Study on the noise and vibration of engine block coupled with the rotating crankshaft and gear train (Effect of the torsional vibration of crankshaft)

open access: yesMechanical Engineering Journal, 2014
As the small-sized high speed diesel engine used for construction machinery and generator is operated under continuous heavy load condition, a gear train is employed to drive the fuel injection pump and valve train.
Kazuhide OHTA   +2 more
doaj   +1 more source

Engine-Over-the-Wing Noise Research [PDF]

open access: yesJournal of Aircraft, 1973
Acoustic measurements for large model eingine-over-the-wing (EOW) research configurations having both conventional and powered lift applications were taken for flap positions typical of takeoff and approach and at locations simulating flyover and sideline.
M. RESHOTKO, J. GOODYKOONTZ, R. DORSCH
openaire   +1 more source

Thermal noise engines [PDF]

open access: yesChaos, Solitons & Fractals, 2011
Electrical heat engines driven by the Johnson-Nyquist noise of resistors are introduced. They utilize Coulomb's law and the fluctuation-dissipation theorem of statistical physics that is the reverse phenomenon of heat dissipation in a resistor. No steams, gases, liquids, photons, combustion, phase transition, or exhaust/pollution are present here.
openaire   +2 more sources

Calpain small subunit homodimerization is robust and calcium‐independent

open access: yesFEBS Letters, EarlyView.
Calpains dimerize via penta‐EF‐hand (PEF) domains. Using single‐molecule force spectroscopy, we measured the strength and kinetics of PEF–PEF homodimer binding. The interaction is robust, shows a transient conformational step before dissociation, and remains largely insensitive to Ca2+.
Nesha May O. Andoy   +4 more
wiley   +1 more source

Analysis of power tiller noise using diesel-biodiesel fuel blends [PDF]

open access: yesJournal of Agricultural Machinery, 2015
Introduction: There are several sources of noise in an industrial and agriculture environment. Machines with rotating or reciprocating engines are sound-producing sources.
N Keramat Siavash   +3 more
doaj   +1 more source

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