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New CEC Gasoline Direct Injection Fuels Test – Comparison of Deposits and Spray Performance from New and Used injectors.

Afton Chemical, Ltd.-Jonathan James Pilbeam, Alex Robert Thomson
Birmingham University-Hongming Xu
  • Technical Paper
  • 2019-28-2392
To be published on 2019-11-21 by SAE International in United States
The use of deposit control additives in European market gasoline is well documented for maintaining high levels of engine cleanliness and subsequent sustained fuel and emissions performance. Co-ordinating European Council (CEC) industry fuels tests have played a crucial role in helping to drive market relevant, effective and low-cost deposit control additives into European market fuels. Until now, there has not been a Gasoline Direct Injection engine test available to fuel marketers in any market globally. However, a new CEC engine test is currently being developed to address that gap. Based on an in-house VW injector coking test, it shows promise for becoming a useful tool with which to develop and measure the performance of deposit control additives. A key requirement of industry tests should be to replicate issues seen in consumer vehicles, thereby providing a platform for relevant solutions. For this paper, injectors from the new VW injector coking test in a clean and coked state were compared to injectors from vehicles in the market in respect of deposit geometry, elemental composition and injector spray…
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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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Corrosion Test Master Establishment

Wheel Standards Committee
  • Ground Vehicle Standard
  • J2636_201910
  • Current
Published 2019-10-21 by SAE International in United States
This SAE lab recommended practice may be applied to corrosion test methods such as salt spray, filiform, Corrosion creep back, etc. This procedure is intended to permit corrosion testing to be assessed between Laboratories for correlation purposes.
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new

UNIX Tools for Typesetting and Shell Programming

  • Magazine Article
  • TBMG-35256
Published 2019-10-01 by Tech Briefs Media Group in United States

Jet Propulsion Laboratory (JPL) has developed software tools that extend the capabilities of the Groff typesetting system for UNIX. Groff, or GNU Troff, descends from the Troff formatter originally developed at AT&T Bell Labs. It operates on text files containing a mixture of unformatted text and formatting instructions (in the same spirit as HTML or TeX) and produces finished documents in various formats suitable for viewing or printing (PDF, HTML, etc.).

new

The Challenge of Replacing Hard Chrome

  • Magazine Article
  • TBMG-35359
Published 2019-10-01 by Tech Briefs Media Group 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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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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Low Cost Reconfigurable Jig Tooling and In-Process Metrology for High Accuracy Prototype Rotorcraft Wing Assembly

University of Nottingham-Richard J. Crossley, Svetan Ratchev
Published 2019-09-16 by SAE International in United States
Reconfigurable tooling frames consisting of steel box sections and bolted friction clamps offer an opportunity to replace traditional expensive welded steel tooling. This well publicized reconfigurable reusable jig tooling has been investigated for use in the assembly of a prototype compound helicopter wing.Due to the aircraft configuration, the wing design is pinned at both ends and therefore requires a higher degree of end to end accuracy, over the 4m length, than conventional wings. During the investigation some fundamental issues are approached, including:Potential cost savings and variables which effect the business case.Achievable Jig accuracy.Potential sources of instability that may affect accuracy over time.Repeatability of measurements with various features and methods.Typical jig stability over 24hrs including effects of small temperature fluctuations.Deflections that occur due to loading.The cost benefit of reusable tooling in a low volume prototype scenario is examined followed by the design of the jig and location features to enable the accurate build and certification documentation to be completed. A prototype 4m test jig comprising of commercially available components and bespoke machined ‘pick-ups’ is presented.Hardware and…
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How Patent Landscape Studies Can Guide Medical Device Innovation

  • Magazine Article
  • TBMG-35098
Published 2019-09-01 by Tech Briefs Media Group in United States

By design, the patent system generates a wealth of technical know-how with respect to new technologies. It chronicles the technical challenges others have faced in the past and how they solved those problems. This information is commonly referred to as the patent landscape and includes issued patents, pending and abandoned patent applications, and the prosecution history of such documents.

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DESIGN STANDARD, NUT, SELF-LOCKING, ACCESSORY MOUNTING

E-25 General Standards for Aerospace and Propulsion Systems
  • Aerospace Standard
  • AS1050A
  • Current
Published 2019-08-15 by SAE International in United States
No Abstract Available.
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This content contains a 2D/3D configurator
Annotation ability available
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WASHER, KEY - 180 DEG, LOCKING, CRES, UNS S32100

E-25 General Standards for Aerospace and Propulsion Systems
  • Aerospace Standard
  • AS9276B
  • Current
Published 2019-08-15 by SAE International in United States
No Abstract Available.
This content contains downloadable datasets
This content contains a 2D/3D configurator
Annotation ability available