Detail publikace

Characterization of roll bite heat transfers in hot steel strip rolling and their influence on roll thermal fatigue degradation

Originální název

Characterization of roll bite heat transfers in hot steel strip rolling and their influence on roll thermal fatigue degradation

Anglický název

Characterization of roll bite heat transfers in hot steel strip rolling and their influence on roll thermal fatigue degradation

Jazyk

en

Originální abstrakt

A temperature sensor with a thermocouple placed at similar to 0.5 mm from roll surface is used in hot rolling conditions to evaluate by inverse calculation heat transfers in the roll bite. Simulation analysis under industrial hot rolling conditions with short contact lengths (e.g. short contact times) and high rolling speeds (7 m./s) show that the temperature sensor + inverse analysis with a high acquisition frequency (> 1000 Hz) is capable to predict accurately (5 to 10% error) the roll bite peak of temperature. However as heat flux is more sensitive to noise measurement, the peak of heat flux in the bite is under-estimated (20% error) by the inverse calculation and thus the average roll bite heat flux is also interesting information from the sensor (these simulation results will be verified with an industrial trial that is being prepared).

Anglický abstrakt

A temperature sensor with a thermocouple placed at similar to 0.5 mm from roll surface is used in hot rolling conditions to evaluate by inverse calculation heat transfers in the roll bite. Simulation analysis under industrial hot rolling conditions with short contact lengths (e.g. short contact times) and high rolling speeds (7 m./s) show that the temperature sensor + inverse analysis with a high acquisition frequency (> 1000 Hz) is capable to predict accurately (5 to 10% error) the roll bite peak of temperature. However as heat flux is more sensitive to noise measurement, the peak of heat flux in the bite is under-estimated (20% error) by the inverse calculation and thus the average roll bite heat flux is also interesting information from the sensor (these simulation results will be verified with an industrial trial that is being prepared).

Dokumenty

BibTex


@inproceedings{BUT147044,
  author="Jaroslav {Horský} and Tomáš {Luks}",
  title="Characterization of roll bite heat transfers in hot steel strip rolling and their influence on roll thermal fatigue degradation",
  annote="A temperature sensor with a thermocouple placed at similar to 0.5 mm from roll surface is used in hot rolling conditions to evaluate by inverse calculation heat transfers in the roll bite. Simulation analysis under industrial hot rolling conditions with short contact lengths (e.g. short contact times) and high rolling speeds (7 m./s) show that the temperature sensor + inverse analysis with a high acquisition frequency (> 1000 Hz) is capable to predict accurately (5 to 10% error) the roll bite peak of temperature. However as heat flux is more sensitive to noise measurement, the peak of heat flux in the bite is under-estimated (20% error) by the inverse calculation and thus the average roll bite heat flux is also interesting information from the sensor (these simulation results will be verified with an industrial trial that is being prepared).",
  address="TRANS TECH PUBLICATIONS LTD",
  booktitle="16th ESAFORM Conference on Material Forming",
  chapter="147044",
  doi="10.4028/www.scientific.net/KEM.554-557.1555",
  howpublished="online",
  institution="TRANS TECH PUBLICATIONS LTD",
  number="554-557",
  year="2013",
  month="june",
  pages="1555--1569",
  publisher="TRANS TECH PUBLICATIONS LTD",
  type="conference paper"
}