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Institution

College of Engineering, Pune

About: College of Engineering, Pune is a based out in . It is known for research contribution in the topics: Sliding mode control & Control theory. The organization has 4264 authors who have published 3492 publications receiving 19371 citations. The organization is also known as: COEP.


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Journal ArticleDOI
TL;DR: High performance polymer matrix nanocomposites based on poly(ether-sulfone) (PES) as matrix and multiwalled carbon nanotube (MWCNT) as reinforcement were fabricated using planetary ball mill followed by hot pressing and their electrical properties and the electromagnetic interference shielding effectiveness (EMI-SE) were investigated and discussed.
Abstract: High-performance polymer matrix nanocomposites based on poly(ether-sulfone) (PES) matrix reinforced with multi-walled carbon nanotubes (MWCNTs) were fabricated using planetary ball mill followed by hot pressing. Their electrical properties and the electromagnetic interference shielding effectiveness (EMI-SE) were investigated and discussed. A percolation threshold of about 0.65 vol% MWCNT was obtained. The electrical conductivity was increased by more than ten orders of magnitude at the percolation threshold and to approximately 0.01 S cm-1 at 6.67 vol% (or 10 wt%) MWCNT. This is a significant improvement. The highest EMI-SE of about 29-30 dB (both in the X-band and Ku-band) was obtained for the 6.67 vol% MWCNT filled nanocomposites with a thickness of 0.9 mm. The specific EMI-SE of these nanocomposites were found to be higher than the literature values. The thermal stability and the char yield (measured at 900 °C) of the nanocomposites were found to be more than 470 °C and 40.6%, respectively.

8 citations

Journal ArticleDOI
TL;DR: In this paper, the effects of cylinder spacing, cylinder oscillation frequency, amplitude of cylinder oscillations and Reynolds number on the ensuing flow regimes and energy transition for flow across a row of transversely oscillating cylinders have been studied numerically using the lattice Boltzmann method.

8 citations

Journal ArticleDOI
TL;DR: In this article, the coatings having lanthanum-titanium-aluminium oxide that is LaTi 2 Al 9 O 19 (LTA) in combination with yttria stabilized zirconia (YSZ) and alumina (Al 2 O 3 ), were developed using plasma spray method.
Abstract: In present work the coatings having lanthanum-titanium-aluminium oxide that is LaTi 2 Al 9 O 19 (LTA) in combination with yttria stabilized zirconia (YSZ) and alumina (Al 2 O 3 ), were developed using plasma spray method. Thus the top coat comprises of LTA/YSZ/Al 2 O 3 ceramic top layer. The coatings were tested for type I hot corrosion in presence of Na 2 SO 4 and NaCl salts in 3:1 mass proportion at 900 °C for 100 h. LTA 150 (having LTA top coat of thickness 150 μm) as-sprayed and annealed samples have shown excellent hot corrosion resistance upto 100 h. XRD patterns indicate that the LTA and Al 2 O 3 phases were retained even after 100 h of isothermal hot corrosion with slight decrease in their peak intensity. Hot corrosion of alumina incorporated LTA coating resulted in the formation of LaAlO 3 , Na 2 Al 2 O 4 , NaAlO 2 .

8 citations

Journal ArticleDOI
TL;DR: A hybrid model based on Multiresolutional Analysis and Adaptive Filtering, which effectively eliminate physiological artifacts and localizes the epileptic seizure zone present in the seizure EEG information is suggested.

8 citations

Journal ArticleDOI
TL;DR: In this article, a time step simulation-based methodology is adopted to determine the optimum mix of outputs from a photovoltaic (PV) and diesel generator set (DG) on the basis of minimum cost of energy in Rs/kWh.
Abstract: A sustainable option in the mandatory use of diesel generator set (DG) is its integration into the solar photo-voltaic system (PV). A major issue, in this integration, is achieving an optimum mix of energy delivered by DG as well as that obtainable from PV. This paper determines the optimum mix of outputs from a PV and the DG on the basis of minimum cost of energy in Rs/kWh. A time step simulation-based methodology is adopted. Results indicate, if 70 % of the annual energy demand is met by DG while remaining 30 % is met by the PV, the cost of energy will be the least at 13.1 Rs/kWh. Sensitivity of the optimum mix is examined in the light of relevant parameters.

8 citations


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Performance
Metrics
No. of papers from the Institution in previous years
YearPapers
202227
2021491
2020323
2019325
2018373
2017334