Experimental studies of pressure drop versus flow rate for dilute (polyacrylamide) polymer solution in different tube diameters have revealed the effect of tube diameter on the polymer parameter (π). An empirical relation for predicting the slope (Sp) on the Prandtl-Von Karman plot is also given. © 1974.

Ramamurthy Nagarajan

Department Of Chemical Engineering

Gerard S. Davies

D. Venkateswarlu

IIT Madras is a public technical and research university located in Chennai, Tamil Nadu. Founded in 1959, it is recognised as an Institute of National Importance.

IIT Madras has been ranked as the top engineering institute in India for four years in a row by the National Institutional Ranking Framework of the MHRD

It currently offers undergraduate, postgraduate and research degrees across 16 disciplines in Engineering, Sciences, Humanities and Management. About 596 faculty belonging to science and engineering departments and centres of the Institute are engaged in teaching, research and industrial consultancy.

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Drag reduction characteristics of polyacrylamide additives

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CONCENTRATES

Journal	The Chemical Engineering Journal
ISSN	03009467
Open Access	No