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Efficiency of an AC Conductive In-Road Charging System for Electric Vehicles-Analysis of Pilot Project Data

SAE International Journal of Alternative Powertrains

KTH Royal Institute of Technology, Sweden-Mikael Hellgren, Nicholas Honeth
  • Journal Article
  • 08-09-01-0003
Published 2020-02-27 by SAE International in United States
This article describes the conductive in-road charging system as developed in the eRoadArlanda project, a pilot project for the development of in-road charging system for both heavy and light vehicles intended for application in motorways. The results of an analysis of measurements collected during the integration tests of this system are presented and discussed. The results focus on the end-to-end efficiency of the in-road charging system and aim to provide researchers in the field with a reference for this technology and configuration for use in the future development of such infrastructure. The analysis of the measurement data addresses losses in the low-voltage side of the AC conductive charging system as well as the vehicle-mounted isolated rectifier/converter connected to the vehicle DC system. An exploratory analysis of data collected over a 6-month testing period in varying weather conditions is used to provide insight into factors affecting the overall efficiency of the system. A discussion of the results includes the effects of cable dimensioning, rectifier performance and placement, and the use of salt for deicing.
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Deicing/Anti-Icing Diagrams/No Spray Zones

G-12T Training and Quality Programs Committee
  • Aerospace Standard
  • AS6286/6A
  • Current
Published 2019-11-12 by SAE International in United States

This document shall be used in conjunction with:

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Processes Including Methods

G-12T Training and Quality Programs Committee
  • Aerospace Standard
  • AS6286/1A
  • Current
Published 2019-11-08 by SAE International in United States

This document shall be used in conjunction with:

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Equipment

G-12T Training and Quality Programs Committee
  • Aerospace Standard
  • AS6286/2A
  • Current
Published 2019-11-08 by SAE International in United States

This document covers the standards of de-icing/anti-icing equipment.

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Aircraft Ground Deicing/Anti-Icing Processes

G-12M Methods Committee
  • Aerospace Standard
  • AS6285C
  • Current
Published 2019-08-20 by SAE International in United States
This document establishes the minimum requirements for ground-based aircraft deicing/anti-icing methods and procedures to ensure the safe operation of aircraft during icing conditions on the ground. This document does not specify the requirements for particular aircraft models. The application of the procedures specified in this document are intended to effectively remove and/or prevent the accumulation of frost, snow, slush, or ice contamination which can seriously affect the aerodynamic performance and/or the controllability of an aircraft. The principal method of treatment employed is the use of fluids qualified to AMS1424 (Type I fluid) and AMS1428 (Types II, III, and IV fluids). All guidelines referred to herein are applicable only in conjunction with the applicable documents. Due to aerodynamic and other concerns, the application of deicing/anti-icing fluids shall be carried out in compliance with engine and aircraft manufacturer's recommendations.
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Aircraft Ground Deicing/Anti-Icing Training and Qualification Program

G-12T Training and Quality Programs Committee
  • Aerospace Standard
  • AS6286A
  • Current
Published 2019-06-26 by SAE International in United States
This document establishes the minimum training and qualification requirements for ground-based aircraft deicing/anti-icing methods and procedures. All guidelines referred to herein are applicable only in conjunction with the applicable documents. Due to aerodynamic and other concerns, the application of deicing/anti-icing fluids shall be carried out in compliance with engine and aircraft manufacturers’ recommendations. The scope of training should be adjusted according to local demands. There are a wide variety of winter seasons and differences of the involvement between deicing operators, and therefore the level and length of training should be adjusted accordingly. However, the minimum level of training shall be covered in all cases. As a rule of thumb, the amount of time spent in practical training should equal or exceed the amount of time spent in classroom training.
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Training Program Guidelines for Deicing/Anti-Icing of Aircraft on Ground

G-12T Training and Quality Programs Committee
  • Aerospace Standard
  • ARP5149C
  • Current
Published 2019-06-19 by SAE International in United States

This document establishes the minimum criteria for effective training of air carrier and contractor personnel to deice/anti-ice aircraft to ensure the safe operation of aircraft during ground icing conditions. Appendix D specifies guidelines for particular airplane models.

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Quality Program Guidelines for Deicing/Anti-Icing of Aircraft on the Ground

G-12T Training and Quality Programs Committee
  • Aerospace Standard
  • ARP5646A
  • Current
Published 2019-06-19 by SAE International in United States

The scope of the Quality Program Guidelines, in the format of a checklist, is to help ensure compliance with the current documents as listed in §2 "Applicable Documents " that meet Airline Operator's and regulatory requirements. It is the responsibility of all other personnel that performs the deicing/anti-icing task to adhere to these requirements.

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Advanced Nanocomposite Low Adhesion Icephobic Coating for Aerospace Applications

Oceanit Laboratories Inc.-Vinod Veedu, Sumil Thapa, Ganesh Kumar Arumugam
Published 2019-06-10 by SAE International in United States
Icing is a major safety issue for flight operations in the civil, defense and space sectors. Ice can form on critical components during takeoff/landing, or while in service, depending on prevailing weather conditions. Aircraft manufacturers relies on two different approaches to prevent ice buildup using an active anti-icing system to melt ice buildup or deicing chemicals/ice repellent surface to minimize the buildup ice. The use of active anti-icing systems offers good protection, however can add significant penalty to overall weight, energy consumption and cost. Aerospace industry is in need for an advanced ice repellent surface to effectively minimize ice buildup on critical components with no modification to existing design can provide significant relief to ice prone systems. In this paper, Oceanit will present its most advanced nanocomposite low ice adhesion icephobic coating technology that was developed and demonstrated for application on metallic surfaces to provide the lowest ice adhesion to significantly reduce ice buildup. Oceanit’s advanced icephobic coating was tested to be one of the lowest ice adhering coating (ice adhesion strength = 5.1kPa) ever…
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Runway Deicing Product Anti/Deicing Performance Assessment: Review and Future Directions

UQAC - AMIL-Jean-Denis Brassard, Caroline Laforte, Marc Mario Tremblay, Christophe Volat
Published 2019-06-10 by SAE International in United States
Every winter, northern airport operations are disrupted by heavy snowstorms and freezing precipitations. A simple snow accumulation or a thin layer of ice can affect aircraft operations (take-off, landing and taxi), and increase the risk for passengers and crew members, by rendering the runway slippery. Any deficits in deicing operations can also lead to flight delays and even cancellations that cost a lot to the industry. In order to maintain the runway and taxiway in a safe and useable condition, airport authorities use mechanical tools, but also chemical products. Chemical products available on the market for use in airports are principally in solid forms and liquid form, and are denominated as Runway Deicing Product (RDP). All of the products used in airport should meet the technical requirements of one of the two Aerospace Materials Specifications (AMS) documents: the AMS1431D Compound, Solid Runway and taxiway Deicing/Anti-icing and the AMS1435C Fluid, Generic, Deicing/Anti-icing Runways and Taxiways. Most of the products are used as freezing point depressants and are applied on snow, ice or packed snow covers to…
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