Abstract
Smart fluids have always been an area of interest to most researchers due to their varying characteristics with respect to external stimuli. Rheological fluids such as electrorheological and magnetorheological fluids are popular among them. In the present study, the flow of a rheological fluid through an annular valve has been modelled using the Bingham model and the Herschel-Bulkley fluid model to include the shear thinning and thickening effects at high shear rates. Damping force, dynamic range and time constant have been defined as the valveās performance indices and volume constraint geometric optimization has been done for various flow indices. Performance indices for the optimized valve are then compared for different flow indices.
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Abbreviations
- Ag:
-
Cross sectional area of flow gap (m2)
- Ak:
-
Cross sectional area of kth magnetic link (m2)
- hc:
-
Height of coil (m)
- lk:
-
Length of kth magnetic link (m)
- Nc:
-
Number of turns in the coil
- Rc:
-
Radius of valve core (m)
- w:
-
Width of flow gap (m)
- h:
-
Flow gap of the valve (m)
- Āµ0:
-
Magnetic constant (4ĻāĆā10ā7 H.mā1)
- Ī¦:
-
Magnetic flux (Wb)
References
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Acknowledgements
The research is supported by IMPRINT Project No. IMPRINT/2016/7330 entitled āāDevelopment of Cost-Effective Magnetorheological (MR) Fluid Damper in Two Wheeler and Four Wheeler Automobiles to Improve Ride Comfort and Stabilityāā funded by Ministry of Human Resource Development and Ministry of Road Transport and Highways, Govt. of India.
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Manjeet, K., Sujatha, C. (2020). Comparative Study of Performance of Optimized Valve for Different Flow Indices of Rheological Model. In: Biswal, B., Sarkar, B., Mahanta, P. (eds) Advances in Mechanical Engineering. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-15-0124-1_106
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DOI: https://doi.org/10.1007/978-981-15-0124-1_106
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