…y, Conduction Mechanism, Dielectric properties, Relaxor Ferroelectric [Ref No.: 7524] r.m. ziaur, m.h. surovy, m.al- amin, a.k. azad, m.k. das, m.s.r. chowdhury, m.m. rahman optimizing heat transfer in circular heat exchanger with hybrid nanofluid using response surface methodolo…