Volume 3, Issue 3 (2019)
IQBQ 2019, 3(3): 93-105 |
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shiva M, Lakhi M, soleymani A. Increase Heat Conductivity of Bladder and Calculate its Effect on Temperature Profile of the Tire in the Curing Process. IQBQ 2019; 3 (3) :93-105
URL: http://arcpe.modares.ac.ir/article-38-31371-en.html
URL: http://arcpe.modares.ac.ir/article-38-31371-en.html
1- Birjand University of Technology , mehdishiva@birjandut.ac.ir
2- Birjand university
3- Kavir Tire Co
2- Birjand university
3- Kavir Tire Co
Abstract: (5420 Views)
In this study, the use of a mixed alumina and aluminum sulfate powder has been studied on thermal conductivity of butyl rubber filled with carbon black used as curing tire bladder composite. The aforementioned filler was added to 1.5 parts by weight in a blend of Bladder. The mixtures were prepared in the internal mixer and the curing characteristics, the mechanical and aging properties as well as the heat conductivity behavior of the composites were measured. To determine the coefficient of thermal diffusion of rubber composite, an immersion sampling method with specific dimensions in the oil bath and heat transfer computer simulation was used using a guessing and error approach. It was observed that the thermal diffusion coefficient of the above mixture rises from an average of 1×10-7 m2/s to an average of 1.3 ×10-7 m2/s without changing the mechanical and aging properties of the mixture. In the following, by choosing a simplified geometry from the tire profile in the near-tire curing conditions, and by simulating heat transfer behavior through the ABAQUS software, the effect of this increase on the thermal diffusivity coefficient was studied on the temperature variations of the inner parts of the tire. It was observed that the temperature of the different points of tire is affected by increasing the thermal conductivity of the tire, Therefore, there is a good potential for reducing the curing time of the tire.
Keywords: bladdr, non-isothermal curing, heat diffusivity coefficient, temperature-time history, Alumina, tire tread
Article Type: Original Research |
Subject:
energy-transport
Received: 2019/03/16 | Accepted: 2019/12/25 | Published: 2019/12/25
Received: 2019/03/16 | Accepted: 2019/12/25 | Published: 2019/12/25
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