... S. Saini 2 1 Department of Mechanical Engineering S.G.S.I.T.S. Indore (M.P.), India. 2 Department of Mechanical and Industrial Engineering I.I.T. Roorkee (U .A. ), India. Abstract Artificial roughness ... Enhancing Performance of Solar air heater Proceedings of XVII National and VI ISHME/ASME Heat and Mass Transfer Conference, IGCAR, Kalpakkam India 2004; Jan. 05-07. [2] Han J. C. “Heat transfer ... on absorber plate of a solar air heater” 19th National & 8th ISHMT-ASME Heat & Mass Transfer Conference Jan. 3-5, 2008 JNTU Hyderabad, India [22] Tariq, A. , Keshav Kant and Panigrahi,...