Q4. Osborne Reynolds performed an experiment to illustrate the different flow regimes that can occur within a circular pipe when a fluid flows through it.
(i) Describe the apparatus Reynolds used in his pipe flow experiments.
(5 marks)
(ii) What observations did Reynolds make from this experiment?
(5 marks)
(iii) What conclusions did Reynolds draw from his observations?
(5 marks)
(iv) What is the significance of the Reynolds number in an internal flow?
(5 marks)
(v) What is meant by the entrance region to a pipe through which a fluid is moving?
(5 marks)