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Optimization of Bio-diesel fuel filter Size media and configuration for longer service interval .

Tata Technologies, Ltd.-Gaurav Soni, Aashish Bhargava, Sujit Gavade
  • Technical Paper
  • 2019-28-2391
To be published on 2019-11-21 by SAE International in United States
Bio diesel is one of the most promising fuel which can not only replace the conventional fuels but also environment friendly in terms of Greenhouse gases emission. Adaptation of Bio diesel comes with reduced maintainability and high maintenance cost. Blends of biodiesel and conventional diesel are most commonly used in automotive diesel engines. Biodiesel is most popular choice as an alternate fuel of fossil diesel due to its easy availability, eco-friendly nature and minimum change in existing diesel engine for retro fitment. In this paper efforts have been taken to optimize the life of Fuel filter for bio diesel application. For improving Fuel filter life, modifications carried out in Fuel filter media, size and configuration. Further, Fuel filter tested on Engine test bed and Vehicle to establish the life of filter in real world usage condition. Testing Results were compared with existing diesel fuel filter.
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Characterization of Deposits Collected from Plugged Fuel Filters

KTH Royal Institute of Technology-Botond Csontos, Hanna Bernemyr, Anders Christiansen Erlandsson
Scania CV AB-Oscar Forsberg, Mayte Pach, Henrik Hittig
Published 2019-09-09 by SAE International in United States
Fuel filters serve as a safety belt for modern compression ignition engines. To meet the requirements from environmental regulations these engines use the common rail injection system, which is highly susceptible to contamination from the fuel. Furthermore, the public awareness towards global warming is raising the need for renewable fuels such as biodiesel. An increased fuel variety brings a higher requirement for fuel filters as well. To better understand the process of filtration, awareness of the different possible contaminants from the field is needed. This study used several chemical characterization techniques to examine the deposits from plugged fuel filters collected from the field. The vehicle was run with a biodiesel blend available on the market. The characterization techniques included X-ray fluorescence (XRF), Fourier-transform infrared spectroscopy (FTIR) joined with attenuated total reflectance (ATR) sampling, gas chromatography-mass spectrometry (GC-MS), and lastly thermal gravimetric analyzer combined with FTIR and a GC-MS (TGA/FTIR/GC-MS). In addition the remaining ash from TGA was measured in energy-dispersive X-ray spectroscopy (EDX). Deposits were scraped from the used filter, and prepared for the different…
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High Strength Elevated Temperature Bolting Practice

E-25 General Standards for Aerospace and Propulsion Systems
  • Aerospace Standard
  • ARP700C
  • Current
Published 2019-05-03 by SAE International in United States
This SAE Aerospace Recommended Practice (ARP) provides general information on the design and installation of threaded fasteners in high strength and high temperature applications in propulsion systems. Some of the more common definitions of fastener terminology are also provided.
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Assessing the Impact of FAME and Diesel Fuel Composition on Stability and Vehicle Filter Blocking

SAE International Journal of Advances and Current Practices in Mobility

BP Formulated Products Technology-Christopher Roy-Smith
University of Bath-Kesavan Gopalan, Christopher J. Chuck, Christopher D. Bannister
  • Journal Article
  • 2019-01-0049
Published 2019-01-15 by SAE International in United States
In recent years, there has been an impetus in the automotive industry to develop newer diesel injection systems with a view to reducing fuel consumption and emissions. This development has led to hardware capable of higher pressures, typically up to 2500 bar. An increase in pressure will result in a corresponding increase in fuel temperature after compression with studies showing changes in fuel temperatures of up to 150 °C in 1000-2500 bar injection systems.Until recently, the addition of Fatty Acid Methyl Esters, FAME, to diesel had been blamed for a number of fuel system durability issues such as injector deposits and fuel filter blocking. Despite a growing acceptance within the automotive and petrochemical industries that FAME is not solely to blame for diesel instability, there is a lack of published literature in the area, with many studies still focusing on FAME oxidation to explain deposit formation and hardware durability.The majority of studies into diesel degradation are conducted under non-representative laboratory conditions, or are extrapolated from the deposits found in filters from vehicles with failed injectors.…
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Contaminants Affecting the Formation of Soft Particles in Bio-Based Diesel Fuels during Degradation

KTH Royal Institute of Technology-Botond Csontos, Richard Alim, Hanna Bernemyr
Scania AB-Henrik Hittig, Mayte Pach
Published 2019-01-15 by SAE International in United States
Renewable fuels are essential in the field of heavy duty transportation if we are to reach a fossil-free society in the foreseeable future. However renewable diesel fuels based on fatty acid methyl ester (FAME) might face problems with degradation and with cold flow properties. From the perspective of an engine, this may cause problems in the fuel injection system, such as fuel filter clogging and injector deposits. These phenomena, especially fuel filter clogging, can be connected to gel-like soft particles, which could originate from degradation products as well as from byproducts created during biodiesel refining. In this study, soft particles from the degradation of bio-based diesel fuel were examined. The tested fuels included hydrogenated vegetable oils (HVO), rapeseed methyl ester (RME) and 10% blend of rapeseed methyl ester with standard diesel (B10). To test their potential to increase the formation of soft particles, contaminants such as water, metals and engine oil were included in the degradation methods. The formed insoluble products were analyzed with gravimetric means, scanning electron microscopy (SEM/EDX) and spectroscopy methods (FTIR). The…
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Electrical Wiring Fuel Compatibility

AE-8A Elec Wiring and Fiber Optic Interconnect Sys Install
  • Aerospace Standard
  • AIR6820
  • Current
Published 2018-12-12 by SAE International in United States
This SAE Aerospace Information Report (AIR) is limited to the subject of compatibility of wiring as part of aircraft Electrical Wiring and Interconnect Systems (EWIS) installed in and around aircraft fuel tanks.
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Glossary of Terms Related to Fluid Filters and Filter Testing

Filter Test Methods Standards Committee
  • Ground Vehicle Standard
  • J1124_201810
  • Current
Published 2018-10-04 by SAE International in United States
Over the years during which fluid filtration systems have been developing, many terms have come into use for descriptions of characteristics of filter media, filter assemblies, test methods, and test materials. Inevitably, some terms have been applied loosely, so that the same term may have different meaning to different people, or in different frames of reference. Recognizing the need for clearly defined terms, which can have only one meaning for all persons in all circumstances, so that documents dealing with standard methods of evaluation of filters will have only one interpretation, the Filter Test methods Subcommittee of the SAE Engine Committee has compiled this Glossary of related terms. No attempt has been made to produce an all-inclusive document, containing definitions of all terms related to all types of fluid filters. Instead, the Glossary is confined to the terms likely to be encountered in relation to filters for lubricating oil and fuels. At the same time, we have recognized that some terms are common to all types of fluid filters, and have been careful to avoid…
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High Strength Elevated Temperature Bolting Practice

E-25 General Standards for Aerospace and Propulsion Systems
  • Aerospace Standard
  • ARP700B
  • Historical
Published 2018-08-23 by SAE International in United States
This SAE Aerospace Recommended Practice (ARP) provides general information on the design and installation of threaded fasteners in high strength and high temperature applications in propulsion systems. Some of the more common definitions of fastener terminology are also provided.
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Nano-Fiber Filters for Automotive Applications

Malwa Institute of Technology-Rajat Malviya Malviya
Published 2018-07-09 by SAE International in United States
Engines have well lubricated metallic moving parts protected by oil films. Microscopic airborne particles can easily break down the oil film and change the tight working tolerances of operating components of an engine. In addition to the above requirement, a modern diesel engine requires a highly precise injection system to meet stringent emission norms and it requires an average of 15,000 L of air per unit fuel consumed. Meticulous filtration is key to ensure purity of air and fuel available to engine. A Polyacrylonitrile based nanofiber synthesized using electro-spinning process is an alternative to conventional cellulose media filters. A Scanning Electron Microscope image is analyzed to obtain the fiber diameter and a 2-D modeling is done using this image data. The trend of developing miniaturized model in filtration application and analysis using computational fluid dynamics has limited research till now. The objectives of the paper are to analyze variation of pressure drop and quality factor for automotive filtration applications. Pressure drops across the single layer of nano-fiber filter, conventional fuel filter and double layer nano-fiber…
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Design and Operating Requirements of the Onboard Aircraft Refueling System and Associated Ground Refueling Equipment Interface

AE-5A Aerospace Fuel, Inerting and Lubrication Sys Committee
  • Aerospace Standard
  • AS5751
  • Current
Published 2018-03-18 by SAE International in United States
This SAE Aerospace Specification (AS) is applicable to all aircraft. This AS defines the minimum design and operating requirements for the aircraft refueling interface. These requirements establish the minimum criteria for the aircraft design that provides practical standardized refueling system requirements, provides minimum standardized criteria for the operation and performance of any aircraft refueling equipment, and establishes an integrated minimum performance for aircraft refueling operations. This standardization provides the minimum design criteria to assure full compatibility between the aircraft refueling system connection point(s), aircraft operating characteristics, and the design and operation of ground based aircraft refueling equipment in all steady state and dynamic refueling and defueling conditions. The criteria that shall be used to test the operation and performance of the aircraft refueling system and equipment are also specified. Compliance to this AS shall be deemed to mean that the aircraft or aircraft refueling equipment are in compliance with this standard when the refueling system is tested as per the test requirements specified in ARP5918 (mobile systems). This document covers all types of ground aircraft…
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