Download Chemical engineering. Solutions to the problems in chemical by J R Backhurst, J H Harker, J.F. Richardson PDF

By J R Backhurst, J H Harker, J.F. Richardson

This quantity within the Coulson and Richardson sequence in chemical engineering includes complete labored options to the issues posed in quantity 1. when the most quantity comprises illustrative labored examples during the textual content, this booklet comprises solutions to the tougher questions posed on the finish of every bankruptcy of the most text.

those questions are of either a regular and non-standard nature, and so will end up to be of curiosity to either educational employees educating classes during this sector and to the prepared pupil. Chemical engineers in who're searching for a typical way to a real-life challenge also will locate the publication of substantial curiosity.

* a useful resource of data for the scholar learning the cloth contained in Chemical Engineering quantity 1
* A worthwhile approach to studying - solutions are defined in complete

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Figure 3d represents a partial section through such an instrument in which liquid is contained and sheared between the stationary inner and rotating outer cylinders. Either may be driven, but the flow regime 44 CHEMICAL ENGINEERING VOLUME 1 SOLUTIONS Pointer Retaining spring ro ri h Rotating outer cylinder Stationary inner cylinder Figure 3d. Partial section of concentric-cylinder viscometer which is established with the outer rotating and the inner stationary is less disturbed by centrifugal forces.

In this way, the fluid appears to be shear-thinning and the simplest model, the power-law model, will be tried. 5 which is constant over the entire range of the experimental data. 5 Q (m3/s) 10−5 10−6 10−7 103 104 105 106 −∆P (N/m ) 2 Figure 3e. 67 and the experimental data for any one set of data and, if desired, the constancy of this value may be confirmed by repeating this procedure for each set of the data. I. 0 ð 10 1 1 Suggest a suitable model to describe the fluid properties. ω r0 r θ r0 r dr Figure 3f.

34 Thus, the calculated and experimental values of ux /uCL agree within reasonable limits of experimental accuracy. 150 Ns/m2 ) is flowing through a pipe of diameter 40 mm and length 200 m. Starting with the rheological equation, show that the relation between pressure gradient P/l and volumetric flowrate Q is: QD P r 4 1 8l p 1 4 X C X4 3 3 where l is the pipe radius, p is the plastic viscosity, and X is the ratio of the yield stress to the shear stress at the pipe wall. Calculate the flowrate for this pipeline when the pressure drop is 600 kN/m2 .

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