Abstract
The role of a brake disc is to convert the kinetic energy of automobiles into thermal energy caused by friction between the brake pads and disc surfaces. The braking performance of an overheated disc is decreased due to hot judder and fade. Hence, the cooling technology of a brake disc is one of the most important issues related to automobile safety. In the present study, the fluid flow and heat transfer analysis of a ventilated brake disc are conducted numerically. Some geometries of automotive parts such as bearings, hubs and wheels are considered in this study. The commercial code ANSYS CFX is used to simulate the fluid flow and the conjugate heat transfer which includes conduction and convection. To evaluate the cooling performance in each case, the results, including the flow patterns of cooling air inside the wheel and the heat transfer coefficient distribution at the disc surfaces, were investigated and compared for various disc-hub combinations.
| Original language | English |
|---|---|
| Journal | SAE Technical Papers |
| Volume | 2018-October |
| Issue number | October |
| DOIs | |
| Publication status | Published - 2018 Oct 5 |
| Event | SAE 36th Annual Brake Colloquium and Exhibition, BRAKE 2018 - Palm Desert, United States Duration: 2018 Oct 14 → 2018 Oct 17 |
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ASJC Scopus subject areas
- Automotive Engineering
- Safety, Risk, Reliability and Quality
- Pollution
- Industrial and Manufacturing Engineering
Cite this
Numerical Study on Fluid Flow and Heat Transfer Characteristics of a Ventilated Brake Disc Connected to a Wheel. / Lee, Byung Ju; Chung, Jin Taek; Jung, Yunho; Kim, Honglae; Lee, Seungpyo; Kim, Hee Yeol.
In: SAE Technical Papers, Vol. 2018-October, No. October, 05.10.2018.Research output: Contribution to journal › Conference article
}
TY - JOUR
T1 - Numerical Study on Fluid Flow and Heat Transfer Characteristics of a Ventilated Brake Disc Connected to a Wheel
AU - Lee, Byung Ju
AU - Chung, Jin Taek
AU - Jung, Yunho
AU - Kim, Honglae
AU - Lee, Seungpyo
AU - Kim, Hee Yeol
PY - 2018/10/5
Y1 - 2018/10/5
N2 - The role of a brake disc is to convert the kinetic energy of automobiles into thermal energy caused by friction between the brake pads and disc surfaces. The braking performance of an overheated disc is decreased due to hot judder and fade. Hence, the cooling technology of a brake disc is one of the most important issues related to automobile safety. In the present study, the fluid flow and heat transfer analysis of a ventilated brake disc are conducted numerically. Some geometries of automotive parts such as bearings, hubs and wheels are considered in this study. The commercial code ANSYS CFX is used to simulate the fluid flow and the conjugate heat transfer which includes conduction and convection. To evaluate the cooling performance in each case, the results, including the flow patterns of cooling air inside the wheel and the heat transfer coefficient distribution at the disc surfaces, were investigated and compared for various disc-hub combinations.
AB - The role of a brake disc is to convert the kinetic energy of automobiles into thermal energy caused by friction between the brake pads and disc surfaces. The braking performance of an overheated disc is decreased due to hot judder and fade. Hence, the cooling technology of a brake disc is one of the most important issues related to automobile safety. In the present study, the fluid flow and heat transfer analysis of a ventilated brake disc are conducted numerically. Some geometries of automotive parts such as bearings, hubs and wheels are considered in this study. The commercial code ANSYS CFX is used to simulate the fluid flow and the conjugate heat transfer which includes conduction and convection. To evaluate the cooling performance in each case, the results, including the flow patterns of cooling air inside the wheel and the heat transfer coefficient distribution at the disc surfaces, were investigated and compared for various disc-hub combinations.
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UR - http://www.scopus.com/inward/citedby.url?scp=85054005622&partnerID=8YFLogxK
U2 - 10.4271/2018-01-1878
DO - 10.4271/2018-01-1878
M3 - Conference article
VL - 2018-October
JO - SAE Technical Papers
JF - SAE Technical Papers
SN - 0148-7191
IS - October
ER -