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A Study on NVH Performance Improvement of TPE Air Intake Hose Based on Optimization of Design and Material

DuPont China Holding Co., Ltd.-Yu Gu
DuPont Engineering Polymers-Yong Sun (Steven) Jin
Published 2019-06-05 by SAE International in United States
Environmental and fuel economy regulations (Eu 6d and WLTP RDE) on automobiles have been tightened recently. To counter this regulation, the global automobile industry is focusing on weight reduction, fuel efficient turbo charger, cooled EGR, thermal management, low friction and so on. However, the high-speed turbocharger makes turbulence, and resulting in airflow noise. This noise is transmitted indoor through the air intake system, which adversely affects the vehicle's competitiveness. Therefore, for turbo engine, it is essential to reduce the noise of the air intake system. The air intake system consists of air cleaner, air filter, air intake hose and air duct. The air flow noise of turbo-engine is mainly the emission noise emitted from the walls of air intake system. And the transfer path of turbo noise is in order of air intake hose, air cleaner and air duct. Therefore, it is effective to reduce the noise of the air intake hose located at the beginning of noise transfer path. In the past, rubber hoses with vibration and acoustic insulation were mainly used to reduce…
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Hose Assembly, Metal - Medium Pressure, Flared, Welded, Straight to 90°

G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
  • Aerospace Standard
  • AS5460C
  • Current
Published 2019-06-03 by SAE International in United States

Scope is unavailable.

 
new

Hose Assembly, Metal - Medium Pressure, Flared, Welded, 45° to 45°

G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
  • Aerospace Standard
  • AS5461C
  • Current
Published 2019-06-03 by SAE International in United States

Scope is unavailable.

 
new

Hose Assembly, Metal - Medium Pressure, Flared, Welded, 90° to 90°

G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
  • Aerospace Standard
  • AS5463C
  • Current
Published 2019-06-03 by SAE International in United States

Scope is unavailable.

 
new

Hose Assembly, Metal - Medium Pressure, Flared, Welded, Straight to 45°

G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
  • Aerospace Standard
  • AS5459C
  • Current
Published 2019-06-03 by SAE International in United States

Scope is unavailable.

 
new

Hose Assembly, Metal - Medium Pressure, Flared, Welded, 45° to 90°

G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
  • Aerospace Standard
  • AS5462C
  • Current
Published 2019-06-03 by SAE International in United States

Scope is unavailable.

 
new

Hose Assembly, Metal - Medium Pressure, Flared, Welded, Straight to Straight

G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
  • Aerospace Standard
  • AS5458C
  • Current
Published 2019-05-31 by SAE International in United States

Scope is unavailable.

 
new

Recommendations for Fuel and Oil System Schematics

AE-5A Aerospace Fuel, Inerting and Lubrication Sys Committee
  • Aerospace Standard
  • ARP1482B
  • Current
Published 2019-05-07 by SAE International in United States
This document recommends and sets forth a set of symbols representing the components making up aircraft fuel and oil systems. The intended result is uniformity in system schematics so that they may be easily understood throughout the aerospace industry.
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Hose, Aircraft Fueling, Acrylonitrile Butadiene (NBR) Rubber Double Wire Braid Reinforced, Chloroprene Covered, Noncollapsing

G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
  • Aerospace Material Specification
  • AMS3389E
  • Current
Published 2019-04-30 by SAE International in United States

This specification covers a synthetic rubber in the form of a nonrigid, smooth bore, noncollapsing-type hose.

 

Hose, Polytetrafluoroethylene TFE Fluorocarbon Resin Wire Braid Reinforced

G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
  • Aerospace Material Specification
  • AMS3380E
  • Current
Published 2019-04-30 by SAE International in United States

This specification covers polytetrafluoroethylene resin in the form of extruded and sintered flexible tube reinforced with wire braid.