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Inspection and Maintenance of In-Use Motor Vehicles – Mitigating Environmental impact

International Centre for Automotive Technology-Vijayanta Ahuja, Aditya Gautam
  • Technical Paper
  • 2019-28-2427
To be published on 2019-11-21 by SAE International in United States
The existing rule no. 62 of CMVR, 1989 applies to various commercial vehicles and yet is unable to provide a promising template to have a concise format which will cover all the motor vehicles and their different components with more precise equipment plus virtual testing along with proper management of time during the bulk inspection of all the vehicles. This paper will include all the technicalities and the different course of actions which must be taken into account for the proper implementation of the desired regulations on the designated concern. The idea behind this paper is to have a compact procedural document for the periodical inspection and maintenance of all the motor vehicles running on the Indian Roads that adhere to the basic safety concerns of other on-road vehicles, the pedestrians and the surroundings. Concluding the fact that there are various aspects of environmental degradation henceforth we start by picking one of the hazards trying to execute a method to resolve every respective issue on a micro level, thus eliminating maximum threats onto the environment.…
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The Challenge of Replacing Hard Chrome

Aerospace & Defense Technology: October 2019

  • Magazine Article
  • 19AERP10_03
Published 2019-10-01 by SAE International in United States

The search for a suitable replacement for hard chrome on aerospace components has been a key supply chain priority for aircraft manufacturers. This is because of the documented health risks to workers and the impact on the environment from exposure to hexavalent chromium, a carcinogen that occurs during the chrome plating process and is the most toxic form of chromium.

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Aerospace Fluid Power - FAA Regulatory History - Transport Airplane Hydraulic Systems

A-6A1 Commercial Aircraft Committee
  • Aerospace Standard
  • AIR5696A
  • Current
Published 2019-09-03 by SAE International in United States

This SAE Aerospace Information Report (AIR) contains regulatory and guidance information related to transport airplane hydraulic systems. It contains certain Civil Air Regulations (CAR) and Federal Aviation Regulations (formerly referred to as FARs) from Title 14 Code of Federal Regulations (CFR) in their current version as well as the historical versions. This gives the reader an ability to assemble certain CAR/CFR parts as they existed at any date in the past (referred to as a Regulatory Basis). A certain amount of preamble explanatory material is included, which led to the regulatory rule changes (Amendments to the CFR).

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Guide to Package Integrity & Validation Testing under ISO 11607 and MDR

  • Magazine Article
  • TBMG-35085
Published 2019-09-01 by Tech Briefs Media Group in United States

Updates to ISO 11607, Parts 1 and 2, have left many medical device manufacturers wondering about the future of their packaging designs. These changes come at a stressful time for OEMs, as Europe is also in the process of replacing the current Medical Device Directive (MDD) with the Medical Device Regulation (MDR) in 2020. The interplay between ISO 11607 and MDR is complex, and it’s difficult to predict regulators’ plans for enforcement.

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Numerical Study of Pore Size and Distribution Effects on Gasoline Particulate Filter Performance

SAE International Journal of Engines

Texas A&M University, USA-Pengze Yang
University of Wisconsin-Madison, USA-Andrea Strzelec
  • Journal Article
  • 03-12-05-0032
Published 2019-08-22 by SAE International in United States
The improved brake thermal efficiency of Gasoline Direct Injection (GDI) engines is accompanied by a significant increase in Particulate Matter (PM) mass and higher Particulate Number (PN) emissions as compared to (multi)Port Fuel Injected (PFI) engines. Gasoline particulate filters (GPFs) with high filtration efficiency and low backpressure will be required to meet the future, stringent PM/PN regulations. A two-dimensional (2D) CFD study was performed to determine the effects of pore size and distribution on the interdependent performance parameters of filtration efficiency and backpressure for clean GPFs. Simulation results show an on linear change infiltration efficiency as the pore size distribution tightens and determine a recommended distribution range, controlling the quantity of small-sized pores. Pore size distributions beyond this recommended range can cause a filtration performance loss or intolerable backpressure penalty for the GPF. In addition, a recent collaborative publication from our group has demonstrated our ability to create a hierarchical porous filter, with variable pore size in each layer. Knowing that filtration efficiency and pressure drop increase as the average pore size decreases offers inspiration…
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Recommended Practice for an Engineering Analysis for A/C Efficiency Credits

Interior Climate Control Vehicle OEM Committee
  • Ground Vehicle Standard
  • J3174_201907
  • Current
Published 2019-07-18 by SAE International in United States

Under U.S. GHG and CAFE regulations, manufacturers are required to perform confirmatory testing to validate indirect air conditioning credits (refer to 40 CFR 86.1868-12). The purpose of this Reccomended Practice is to provide manufacturers with updated criteria for the 2020 and later model years.

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Contact, Wire Barrel, Crimp Type

AE-8C1 Connectors Committee
  • Aerospace Standard
  • AS5261A
  • Current
Published 2019-07-11 by SAE International in United States
This specification provides dimensional standards for crimp type contact wire barrel design and is a replacement for MS3190. Some wire barrel designs may exist in AS39029 but are not considered approved for future use, therefore, will not appear in this specification. The crimp barrel sizes listed in this document have been standardized in AS39029 and AS22520 specifications, tools and contacts are available to support these listed sizes. These crimp barrel requirements shall be used for any contact, regardless of whether it is a standard or non-standard contact configuration. The specification lists details for three types of wire barrels: A, B, and C. Wire barrel type A is not recommended for new design. Table 4 lists each AS39029 detail sheet wire barrel type.
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Why Cloud QMS Better Supports Regulatory Compliance

  • Magazine Article
  • TBMG-34806
Published 2019-07-01 by Tech Briefs Media Group in United States

Companies regulated by the U.S. Food and Drug administration (FDA) need to establish current good manufacturing practices (CGMPs) as part of Title 21 CFR part 820 requirements. This includes creation of quality systems to ensure development of safe and effective devices. More specifically, medical device manufacturers must establish methods and procedures to design, produce, and deliver devices that meet the quality system standard.1

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Nut, Floating, Attached Retention Element (A.R.E.) - Hole Dimensions and Installation Requirements

E-25 General Standards for Aerospace and Propulsion Systems
  • Aerospace Standard
  • AS5133A
  • Current
Published 2019-07-01 by SAE International in United States
This specification establishes the procedure for installing self-locking, floating, attached retention element (A.R.E.) nut assemblies and defines the necessary hole preparation.
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Polyamide Type 6-6, Plastic Moldings and Extrusions

AMS P Polymeric Materials Committee
  • Aerospace Material Specification
  • AMS3617F
  • Current
Published 2019-06-13 by SAE International in United States
This specification covers one type of Polyamide Type 6-6 (nylon) thermoplastic resin in the form of moldings and extrusions.
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