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TTCI R&D: Effects of Braking on Wheels


TTCI R&D: Effects of Braking on Wheels
May 12, 2021
RCF tread surface damage on a wheel removed from a car with disabled brakes. (TTCI picture)
RAILWAY AGE MAY 2021 ISSUE: As part of the Association of American Railroads’ (AAR) Strategic Research Initiatives program, Transportation Technology Center, Inc. (TTCI) investigated the effects of tread braking on wheel wear and tread surface damage by monitoring the performance of three articulated five-unit well cars and five coal hopper cars with disabled brakes operating in otherwise normal revenue service conditions.
The Federal Railroad Administration (FRA) granted an enforcement discretion for these eight cars to operate with disabled brakes in revenue service between 2016 and 2020. Trains moving these cars were required to contain enough cars to maintain at least 95% operational brakes. This requirement provided sufficient safety precautions as evidenced by the fact that no accidents, incidents or injuries occurr ....

United States , Sawan Dumbre , Scott Cummings , Senior Product Development , Transportation Technology Center Inc , Association Of American Railroad , Railroad Administration , Strategic Research , Wheels Written , Senior Scientist , Transportation Technology Center , Senior Product Development Engineer , American Railroad , Strategic Research Initiatives , Federal Railroad Administration , North American , ஒன்றுபட்டது மாநிலங்களில் , ஸ்காட் கம்மிங்ஸ் , மூத்தவர் ப்ராடக்ட் வளர்ச்சி , போக்குவரத்து தொழில்நுட்பம் மையம் இன்க் , சங்கம் ஆஃப் அமெரிக்கன் இரயில் பாதை , மூலோபாய ஆராய்ச்சி , மூத்தவர் விஞ்ஞானி , போக்குவரத்து தொழில்நுட்பம் மையம் , மூத்தவர் ப்ராடக்ட் வளர்ச்சி பொறியாளர் , அமெரிக்கன் இரயில் பாதை ,

Antibacterial yarns and fibres feature at Yarn Expo Spring 2021


Antibacterial yarns and fibres feature at Yarn Expo Spring 2021
As the market gains momentum, a special focus will be placed on developing trends, particularly antibacterial and hygiene products.
11th January 2021
Following a challenging year for the industry, Yarn Expo Spring will return from 10-12 March 2021, as the platform continues to support market recovery. After the success of the online solutions on offer at the Autumn Edition and in light of ongoing travel restrictions, exhibitors and buyers will once again have the added benefit of digital services at the spring show, to complement the physical fair. Also, as the market gains momentum, a special focus will be placed on developing trends, particularly antibacterial and hygiene products. Yarn Expo Spring will take place at the National Exhibition and Convention Center (Shanghai). ....

Hong Kong , Yolanda Wang , Wendy Wen , Li Shaoping , Kent Wang , National Exhibition , Messe Frankfurt Hk Ltd , Cotton Council International , Convention Center Shanghai , Shanghai Xinya New Material Technology Co Ltd , Yarn Expo Spring , Autumn Edition , Expo Spring , Convention Center , Yarn Expo , Senior General Manager , Messe Frankfurt , Spring Edition , Senior Manager , Senior Product Development Engineer , Personal Protective Equipment , Sales Director , Antibacterial Yarns And Fibres Feature At Yarn Expo Spring 2021 , ஹாங் காங் , யோலாண்டா வாங் , வெண்டி வென் ,