Influence of rail temperature on braking efficiency in railway vehicles
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2025
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| author | Sandoval Valencia, Tania Elizabeth Rivera Reyes, Diego Jáuregui Correa, Juan Carlos |
| author_facet | Sandoval Valencia, Tania Elizabeth Rivera Reyes, Diego Jáuregui Correa, Juan Carlos |
| contents | <div> <div> </div> <div> </div> <div> </div> <div> <div> </div> </div> </div> <div> <div> <div> <div dir="ltr"><span lang="en"><span><span>The data presented were obtained experimentally using a 1:20 scale physical model of a vehicle and a railway track, installed in the Dynamics and Vibrations Laboratory of the Autonomous University of Querétaro (Mexico).</span></span> </span></div> <div dir="ltr"> </div> <div dir="ltr"><span lang="en"><span><span>Data Collection Methodology:</span></span></span></div> <div dir="ltr"> </div> <div dir="ltr"><span lang="en"><span><span> Rail Thermal Conditioning: Straight segments of steel rail (5 mm diameter) were heated in a controlled manner using Nichrome wire glued to their outer sides.</span></span> <span><span>A direct current (DC) source supplied different voltages to reach the target temperatures: </span></span></span></div> <div dir="ltr"><span lang="en"><span><span>• 28.5°C: Room temperature (control).</span></span> </span></div> <div dir="ltr"><span lang="en"><span><span>• 40.0°C: Approximately 1.6 A. </span></span></span></div> <div dir="ltr"><span lang="en"><span><span>• 49.9°C: Approximately 2.4 A. </span></span></span></div> <div dir="ltr"><span lang="en"><span><span>• 71.0°C: Approximately 4.0 A. </span></span></span></div> <div dir="ltr"> </div> <div dir="ltr"><span lang="en"><span><span>The temperature was verified and recorded with a Fluke T1105 infrared camera.</span></span> </span></div> <div dir="ltr"> </div> <div dir="ltr"><span lang="en"><span><span>Directly measured dynamic parameters: Vehicle and wheel speed: These were measured using a rotary encoder (DC5-24V model, 600 pulses per revolution) coupled to the drive wheel and an optical sensor.</span></span> </span></div> <div dir="ltr"> </div> <div dir="ltr"><span lang="en"><span><span>Three operating speeds: </span></span></span></div> <div dir="ltr"><span lang="en"><span><span>• 0.75 m/s.</span></span></span></div> <div dir="ltr"><span lang="en"><span><span>• 1.00 m/s.</span></span></span></div> <div dir="ltr"><span lang="en"><span><span>• 1.30 m/s.</span></span></span></div> <div dir="ltr"> </div> <div dir="ltr"><span lang="en"><span><span>Dataset structure: </span></span></span></div> <div dir="ltr"> </div> <div dir="ltr"><span lang="en"><span><span>The resulting dataset comprises 12 experimental cases, resulting from combining the four rail temperatures with the three test speeds (0.75, 1.00, and 1.30 m/s).</span></span> <span><span>For each case, the dataset includes the measured and calculated values of: speed, COF, braking time, braking distance, maximum slip, and peak current.</span></span></span></div> </div> </div> </div> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_17331842 |
| institution | Zenodo |
| language | |
| publishDate | 2025 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | Influence of rail temperature on braking efficiency in railway vehicles Sandoval Valencia, Tania Elizabeth Rivera Reyes, Diego Jáuregui Correa, Juan Carlos <div> <div> </div> <div> </div> <div> </div> <div> <div> </div> </div> </div> <div> <div> <div> <div dir="ltr"><span lang="en"><span><span>The data presented were obtained experimentally using a 1:20 scale physical model of a vehicle and a railway track, installed in the Dynamics and Vibrations Laboratory of the Autonomous University of Querétaro (Mexico).</span></span> </span></div> <div dir="ltr"> </div> <div dir="ltr"><span lang="en"><span><span>Data Collection Methodology:</span></span></span></div> <div dir="ltr"> </div> <div dir="ltr"><span lang="en"><span><span> Rail Thermal Conditioning: Straight segments of steel rail (5 mm diameter) were heated in a controlled manner using Nichrome wire glued to their outer sides.</span></span> <span><span>A direct current (DC) source supplied different voltages to reach the target temperatures: </span></span></span></div> <div dir="ltr"><span lang="en"><span><span>• 28.5°C: Room temperature (control).</span></span> </span></div> <div dir="ltr"><span lang="en"><span><span>• 40.0°C: Approximately 1.6 A. </span></span></span></div> <div dir="ltr"><span lang="en"><span><span>• 49.9°C: Approximately 2.4 A. </span></span></span></div> <div dir="ltr"><span lang="en"><span><span>• 71.0°C: Approximately 4.0 A. </span></span></span></div> <div dir="ltr"> </div> <div dir="ltr"><span lang="en"><span><span>The temperature was verified and recorded with a Fluke T1105 infrared camera.</span></span> </span></div> <div dir="ltr"> </div> <div dir="ltr"><span lang="en"><span><span>Directly measured dynamic parameters: Vehicle and wheel speed: These were measured using a rotary encoder (DC5-24V model, 600 pulses per revolution) coupled to the drive wheel and an optical sensor.</span></span> </span></div> <div dir="ltr"> </div> <div dir="ltr"><span lang="en"><span><span>Three operating speeds: </span></span></span></div> <div dir="ltr"><span lang="en"><span><span>• 0.75 m/s.</span></span></span></div> <div dir="ltr"><span lang="en"><span><span>• 1.00 m/s.</span></span></span></div> <div dir="ltr"><span lang="en"><span><span>• 1.30 m/s.</span></span></span></div> <div dir="ltr"> </div> <div dir="ltr"><span lang="en"><span><span>Dataset structure: </span></span></span></div> <div dir="ltr"> </div> <div dir="ltr"><span lang="en"><span><span>The resulting dataset comprises 12 experimental cases, resulting from combining the four rail temperatures with the three test speeds (0.75, 1.00, and 1.30 m/s).</span></span> <span><span>For each case, the dataset includes the measured and calculated values of: speed, COF, braking time, braking distance, maximum slip, and peak current.</span></span></span></div> </div> </div> </div> |
| title | Influence of rail temperature on braking efficiency in railway vehicles |
| url | https://doi.org/10.5281/zenodo.17331842 |