Abstract
To accurately predict the brake performance of vehicular hydraulic retarder under oil partially filled condition, two math models were built based on different internal two-phase flow assumption. The braking torque of the hydraulic retarder was calculated using the mixture-density method or gas-hydraulic separating method. Compared with the experimental data obtained under oil fully filled condition, the calculation error is less than 5%. It is found that the separating method is more accurate in theory and the mixture method is simpler in practice.
| Original language | English |
|---|---|
| Pages (from-to) | 1396-1400 |
| Number of pages | 5 |
| Journal | Beijing Ligong Daxue Xuebao/Transaction of Beijing Institute of Technology |
| Volume | 31 |
| Issue number | 12 |
| Publication status | Published - Dec 2011 |
Keywords
- Braking performance
- Hydraulic retarder
- Mixture-density method
- Separating method
- Two-phase flow
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