Enhancing ferro-nanofluid performance in wavy minichannels: Investigating entropy generation and vorticity under magnetic field influence. - BHADRI, Anshuman; SINGH, Harvindra; RANJAN PATI, Pravat; CHAMOLI, Sunil; KISHORE, Chandra; SHARMA, Vishal; CHADGE, Rajkumar; Kanan, Mohammad (Bulletin of the Polish Academy of Sciences: Technical Sciences, 2026)