This paper presents an analytical solution for the Joule heating problem of a segmented wire made of two materials with different properties and suspended as a bridge across two fixed ends. The paper first establishes the one-dimensional (1D) governing equations of the steady-state temperature distribution along the wire with the consideration of heat conduction and free-heat convection phenomena. The temperature coefficient of resistance of the constructing materials and the dimension of the each segmented wires were also taken into account to obtain analytical solution of the temperature. COMSOL numerical solutions were also obtained for initial validation. Experimental studies were carried out using copper and nichrome wires, where the temperature distribution was monitored using an IR thermal camera. The data showed a good agreement between experimental data and the analytical data, validating our model for the design and development of thermal sensors based on multisegmented structures.
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A Generalized Analytical Model for Joule Heating of Segmented Wires
Vivekananthan Balakrishnan,
Vivekananthan Balakrishnan
Queensland Micro- and Nano Technology Centre,
Griffith University,
Brisbane 4111, Queensland, Australia
e-mail: vivekananthan.balakrishnan@griffithuni.edu.au
Griffith University,
Brisbane 4111, Queensland, Australia
e-mail: vivekananthan.balakrishnan@griffithuni.edu.au
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Toan Dinh,
Toan Dinh
Queensland Micro- and Nano Technology Centre,
Griffith University,
Brisbane 4111, Queensland, Australia
e-mail: toan.dinh@griffithuni.edu.au
Griffith University,
Brisbane 4111, Queensland, Australia
e-mail: toan.dinh@griffithuni.edu.au
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Hoang-Phuong Phan,
Hoang-Phuong Phan
Queensland Micro- and Nano Technology Centre,
Griffith University,
Brisbane 4111, Queensland, Australia
e-mail: hoangphuong.phan@griffithuni.edu.au
Griffith University,
Brisbane 4111, Queensland, Australia
e-mail: hoangphuong.phan@griffithuni.edu.au
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Dzung Viet Dao,
Dzung Viet Dao
Queensland Micro- and Nano Technology Centre,
Griffith University,
Brisbane 4111, Queensland, Australia
e-mail: d.dao@griffith.edu.au
Griffith University,
Brisbane 4111, Queensland, Australia
e-mail: d.dao@griffith.edu.au
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Nam-Trung Nguyen
Nam-Trung Nguyen
Queensland Micro- and Nano Technology Centre,
Griffith University,
Brisbane 4111, Queensland, Australia
e-mail: nam-trung.nguyen@griffith.edu.au
Griffith University,
Brisbane 4111, Queensland, Australia
e-mail: nam-trung.nguyen@griffith.edu.au
Search for other works by this author on:
Vivekananthan Balakrishnan
Queensland Micro- and Nano Technology Centre,
Griffith University,
Brisbane 4111, Queensland, Australia
e-mail: vivekananthan.balakrishnan@griffithuni.edu.au
Griffith University,
Brisbane 4111, Queensland, Australia
e-mail: vivekananthan.balakrishnan@griffithuni.edu.au
Toan Dinh
Queensland Micro- and Nano Technology Centre,
Griffith University,
Brisbane 4111, Queensland, Australia
e-mail: toan.dinh@griffithuni.edu.au
Griffith University,
Brisbane 4111, Queensland, Australia
e-mail: toan.dinh@griffithuni.edu.au
Hoang-Phuong Phan
Queensland Micro- and Nano Technology Centre,
Griffith University,
Brisbane 4111, Queensland, Australia
e-mail: hoangphuong.phan@griffithuni.edu.au
Griffith University,
Brisbane 4111, Queensland, Australia
e-mail: hoangphuong.phan@griffithuni.edu.au
Dzung Viet Dao
Queensland Micro- and Nano Technology Centre,
Griffith University,
Brisbane 4111, Queensland, Australia
e-mail: d.dao@griffith.edu.au
Griffith University,
Brisbane 4111, Queensland, Australia
e-mail: d.dao@griffith.edu.au
Nam-Trung Nguyen
Queensland Micro- and Nano Technology Centre,
Griffith University,
Brisbane 4111, Queensland, Australia
e-mail: nam-trung.nguyen@griffith.edu.au
Griffith University,
Brisbane 4111, Queensland, Australia
e-mail: nam-trung.nguyen@griffith.edu.au
1Corresponding author.
Contributed by the Heat Transfer Division of ASME for publication in the JOURNAL OF HEAT TRANSFER. Manuscript received May 8, 2017; final manuscript received October 31, 2017; published online March 30, 2018. Assoc. Editor: George S. Dulikravich.
J. Heat Transfer. Jul 2018, 140(7): 072001 (10 pages)
Published Online: March 30, 2018
Article history
Received:
May 8, 2017
Revised:
October 31, 2017
Citation
Balakrishnan, V., Dinh, T., Phan, H., Dao, D. V., and Nguyen, N. (March 30, 2018). "A Generalized Analytical Model for Joule Heating of Segmented Wires." ASME. J. Heat Transfer. July 2018; 140(7): 072001. https://doi.org/10.1115/1.4038829
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