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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Smart Structures and Systems, An International Journal Smart Structures and Systems, An International Journal Vol.27 No.2
- 발행연도
- 2021.1
- 수록면
- 379 - 386 (8page)
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초록· 키워드
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In this numerical study, an optimal energetic control model applied to local heating sources to prevent black-ice occurrence at transport infrastructure surface is addressed. The heat transfer Finite Element Model developed and boundary conditions hypothesis considered are firstly presented. Several heat powering strategies, in time and space, are then introduced. Secondly, control laws are presented with the objective of preventing ice formation while avoiding excessive energy consumption by taking also into account weather forecast information. In particular, the adjoint state method is adapted for the case of an operation without some continuous properties (discontinuous time heat sources). In such case, a projection from the space of continuous time functions to a piecewise constant one is proposed. To perform optimal control, the adjoint state method is addressed and discussed for the different powering solutions. To preserve some specific technical components and maintain their lifetime, operational constraints are considered and different formulations for the control law are proposed. Time dependent convecto-radiative boundary conditions are introduced in the model by extracting information from existing weather databases. Extension to updated inline weather forecast services is also presented and discussed. The final minimization problem considered has to act on both energy consumption and non-freezing surface temperature by integrating these specific constraints. As a consequence, the final optimal solution is estimated by an algorithm relying on the combination of adjoint state method and gradient descent that fits mathematical constraints. Results obtained by numerical simulations for different operative conditions with various weather conditions are presented and discussed. Finally, conclusion and perspectives are proposed.
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참고문헌 (20)
참고문헌 신청
S. Asfour / 2016 / Hydrothermal modeling of porous pavement for its surface de-freezing / Applied Thermal Engineering 107:493~500
María Victoria Biezma / 2007 / Collapse of Steel Bridges / Journal of Performance of Constructed Facilities 21(5):398~405
Arden L. Buck / 1981 / New Equations for Computing Vapor Pressure and Enhancement Factor / Journal of Applied Meteorology 20(12):1527~1532
Copernicus Climate Change Service Climate Data Store (CDS)
H.L. Dai / 2012 / Evaluation on the Effects of Deicing Chemicals on Soil and Water Environment / Procedia Environmental Sciences 13:2122~2130
María Victoria Biezma / 2007 / Collapse of Steel Bridges / Journal of Performance of Constructed Facilities 21(5):398~405
Arden L. Buck / 1981 / New Equations for Computing Vapor Pressure and Enhancement Factor / Journal of Applied Meteorology 20(12):1527~1532
Copernicus Climate Change Service Climate Data Store (CDS)
H.L. Dai / 2012 / Evaluation on the Effects of Deicing Chemicals on Soil and Water Environment / Procedia Environmental Sciences 13:2122~2130
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