K. Rao

A low-cost device for the estimation of fluoride in drinking water

G. Rao, Ananya Sen, M. Frizzell, 1998 .

Development of a low-cost portable colorimeter for the estimation of fluoride in drinking water

Rohit, K. K. Rao, L. Kanwar, 2010 .

Fully developed flow of coarse granular materials through a vertical channel

K. K. Rao, P. Nott, L. Mohan, 1997 .

Steady compressible flow of granular materials through a wedge-shaped hopper: The smooth wall, radial gravity problem

K. K. Rao, J. Prakash, K. Rao, 1988 .

A frictional–kinetic model for the flow of granular materials through a wedge-shaped hopper

K. K. Rao, R. Jyotsna, K. Rao, 1997, Journal of Fluid Mechanics.

Steady incompressible flow of cohesionless granular materials through a wedge-shaped hopper: Frictional—kinetic solution to the smooth wall, radial gravity problem

K. K. Rao, R. Jyotsna, K. Rao, 1991 .