4 edition of Design and analysis of fuel tank baffles to reduce the noise generated from fuel sloshing found in the catalog.
Design and analysis of fuel tank baffles to reduce the noise generated from fuel sloshing
Hoi Sum Iu
Thesis (M.A.Sc.) -- University of Toronto, 2003.
|Series||Canadian theses = -- Thèses canadiennes|
|The Physical Object|
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The baffle plates are basically the flow-directing or obstructing panels inside a fuel tank that direct the flow in the fuel tank and help in keeping the fuel from sloshing around during maneuvering. Although not all sloshing is possible to avoid. Design and Analysis of Fuel Tank Baffles to Reduce the Noise Generated From Fuel Sloshing -- Stictionless Magnetorheological Technology -- Objective Evaluation of Vibroacoustical Quality -- A New Method of Engine Sound Design for Car Interior Noise Using a Psychoacoustic Index --
surface flow in terms of sloshing. The result shows the boundary of fuel which is smooth and turbulence. Such data are used to analyze to reduce the turbulence area until the final suitable shape is met. The details are discussed. Keywords: Computational fluid dynamics, volume-of-fluid, sloshing 1. Introduction The design of fuel tanks for both. order to study the influence and impact of sloshing we have taken an irregular shape fuel tank from an automotive application. H ere in this case the study revolves around different level of fluid in the fuel tank, tank without baffle and tank wi th baf fle in order to .
Hoxie, A, Schoo, R, Braden, J. Fuel, March , Design and analysis of fuel tank baffles to reduce the noise generated from fuel sloshing Iu, H, Cleghorn, W, Mills, J. SAE Technical Papers, Design and validation of a new omnidirectional dummy neck . Global Fuel Systems Teams support (United States, Brazil, China, Australia) at different GPDS milestones. • Fuel Tank Sloshing CFD (Reduce slosh noise by improving fuel tank geometry and implementing countermeasures such as molded-in/inserted baffles). • Fuel Delivery System Flow Performance (Gasoline and Diesel).Title: Senior CFD/Thermal Engineer at .
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Design and Analysis of Fuel Tank Baffles to Reduce the Noise Generated From Fuel Sloshing Hoi Sum III, W. Cleghorn and J. Mills. Design and Analysis of Fuel Tank Baffles to Reduce the Noise Generated From Fuel Sloshing Fuel slosh inside an automotive fuel tank was found to generate unpleasant noise.
This paper presents the analysis of several baffle designs to suppress the fuel slosh by using a commercial Computational Fluid Dynamics software, FLOW-3D Cited by: Design and Analysis of Fuel Tank Baffles to Reduce the Noise Generated From Fuel Sloshing Conference Paper March with Reads How we measure 'reads'.
This fuel sloshing leads to vehicle imbalance. This vehicle instability may occur when the fuel to weight ratio is high. In automobiles, the fuel sloshing generates unpleasant noise which is not expected from the present ones.
So, this work presents the use of baffles at different positions in the fuel tank to suppress the fuel sloshing. From analysis it is found that intensity of sloshing is highly decreased in the fuel tank which is provided with baffles.
The effects of baffles on fluid behavior are clearly seen in results drawn. So, the noise generated by the fluid bothers the occupants. Design and Analysis of Fuel Tank Baffles to reduce the Noise Gener From Fuel Sloshing, SAE TECHNICAL PAPER SERIES.
A finite element analysis clip showing how TITAN's low fuel baffle maximizes the amount of useable fuel. The video shows a simulation of an accelerating vehicle's TITAN under.
Key words: Multiple vertical baffles, Time history analysis, Neural network, Required calculation time Abstract. Sloshing is a well-known phenomenon in liquid storage tanks subjected to base or body motions. In recent years the use of baffles for reducing the sloshing effects in tanks subjected to earthquake has been studied by some researchers.
But simply putting baffles into a tank won’t cut it, they serve a purpose and need to be designed to keep the fuel in a certain area in the tank, namely, the lowest part of the tank. The thick flange on the new tank is a great feature, and allows us to secure the pump hanger without worry of stripping thin metal with a machine screw.
baffles inside the tank. The presence of baffles dissipates the energy that is induced by the fuel motions. Design of baffles is necessary step during the design of a fuel tank to meet required performance specification in service.
Ranjit Babar &  termed as, Sloshing has many applications in the automotive, aerospace. Design and analysis of fuel tank baffles to reduce the noise generated from fuel sloshing. In: Proceedings of the SAE world congress & exhibition, Detroit, MI.
Sloshing Analysis of an Automotive Fuel Tank A methodology has been set up to predict the dynamic behavior of the fuel inside a vehicle tank (sloshing), in standard transient driving conditions, using a CFD (Computational Fluid Dynamic) code.
Re: Fuel tank baffle layout I would put one, or two baffels port to starboard at the 1/2, or 1/3 spots. (I can't spell athwartships) A half empty tank would have about lbs of fuel sloshing back and forth.
Thats what my gal tank in a 26' starcraft had (2). Fuel tank with noise suppressing arrangement EPA1 (en) Nissan Motor Co., Ltd. Fuel tank baffle assembly USA (en) Ford Motor Company: Method of manufacturing a fiber-reinforced structure having a hollow blow-molding core USA (en).
I just installed two 99 gallon Moeller plastic fuel tanks in my 34 Silverton. I thought they had some baffles built in when I ordered them, but I don't think they do. Now I'm concerned about the forces caused by sloshing fuel on the control of the boat in rough seas. In addition, the aircraft fuel tank is sometimes threatened by lightning strikes and static electricity.
As a result, suppressing fire and explosion in the fuel tank is a very important problem to solve. As early asthe U.S. Air Force began to prevent fuel oil fire and explosion by filling the aircraft fuel tank. They help in keeping the fuel from sloshing around during maneuvering. Some sloshing is impossible to avoid, but a reduction is extremely helpful in avoiding unwanted dynamics.
Consider a sudden pitch-up into a climb, or a sudden acceleration when the afterburners are lit: Now the fuel will rush backwards, shifting the center of gravity backwards.
If the noise is noticeable when the tank is close to empty, but not when it is full, the chances are there is a “pre-pump” in-tank pump-filter assembly in the system that primes the main fuel pump.
In-tank pumps rely on their submersion to remain cool, and are typically sited approximately a 1/4 of the way up from the tank. The fuel pump hanger assembly was lowered into the baffle assembly inside the tank and the outlet cap was fastened to the studs with the supplied nylon. Wachowski1 et al.
noted that tank sloshing mainly occurs due to maneuvers like stop-and-go traffic or parking; sloshing that is generated depends on the tank geometry, filling level, fuel type and excitation and it leads to the three different types of slosh noise: splash, hit and clonk.
Design and Analysis of Fuel Tank Baffles to Reduce the Noise Generated From Fuel Sloshing. Fuel slosh inside an automotive fuel tank was found to generate unpleasant noise. This paper presents the analysis of several baffle designs to suppress the fuel slosh by using a commercial Computational Fluid Dynamics software.Title: Design and Analysis of Fuel Tank Baffles to Reduce the Noise Generated From Fuel Sloshing Created Date: 7/25/ PM.An engine driven fuel pump whose pressure relief valve is acted upon by the pressure of the atmosphere.
A compensated pump varies its the outlet fuel pressure so it will stay a consistent amount higher than the pressure of the air that is entering the carburetor.