A process is to be supplied with glycerol with a specific gravity of 1.26 and viscosity...
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A process is to be supplied with glycerol with a specific gravity of 1.26 and viscosity 1.2 N.s m ² from an open storage tank over a distance of 60 m. A pipe with an internal diameter of 12.6 cm is available, and there is a pump that can develop a pressure of 90 kN m² over a wide range of flows. Determine the maximum glycerol delivery rate that can be achieved by using this equipment if laminar flow is to be maintained. Water flows through a pipe section that tapers from an internal diameter of 200 mm down to 100 mm over a distance of 1 m. Determine the pressure drop over the section for a flow of 0.06 m³s-1. The friction factor may be assumed to be constant with a value of 0.005. A building requires a volume of 3 m³s-1 of fresh air. The air is supplied from a conditioning plant a distance of 120 m away for which the permissible pressure drop along the supply duct is 5 kNm ². Determine the required pipe diameter if the variation of friction factor is Reynolds number (Re) Friction factor (f) The air has a density of 1.2 kgm and viscosity of 1.7 Å~ 10-³ Nsm ². 104 0.009 2 x 10⁰ 0.008 105 106 0.007 0.0069 107 0.0068 A valve manufacturer bench tests a new valve to determine the energy loss as a function of the closure. This involves mounting the valve into a plumbing system and measuring the flow rate through the valve and supplying a flow of water with a constant head of 1.5 m from an overhead tank. The valve is fitted to a horizontal length of smooth-walled pipe with a length of 1.5 m and internal diameter of 20 mm. The water has a density of 1000 kg m-³ and a viscosity of 0.001 Nsm ². From the test data in the following table, calculate the loss factor profile defined in head loss form as u² 28 ho = k₂- A process is to be supplied with glycerol with a specific gravity of 1.26 and viscosity 1.2 N.s m ² from an open storage tank over a distance of 60 m. A pipe with an internal diameter of 12.6 cm is available, and there is a pump that can develop a pressure of 90 kN m² over a wide range of flows. Determine the maximum glycerol delivery rate that can be achieved by using this equipment if laminar flow is to be maintained. Water flows through a pipe section that tapers from an internal diameter of 200 mm down to 100 mm over a distance of 1 m. Determine the pressure drop over the section for a flow of 0.06 m³s-1. The friction factor may be assumed to be constant with a value of 0.005. A building requires a volume of 3 m³s-1 of fresh air. The air is supplied from a conditioning plant a distance of 120 m away for which the permissible pressure drop along the supply duct is 5 kNm ². Determine the required pipe diameter if the variation of friction factor is Reynolds number (Re) Friction factor (f) The air has a density of 1.2 kgm and viscosity of 1.7 Å~ 10-³ Nsm ². 104 0.009 2 x 10⁰ 0.008 105 106 0.007 0.0069 107 0.0068 A valve manufacturer bench tests a new valve to determine the energy loss as a function of the closure. This involves mounting the valve into a plumbing system and measuring the flow rate through the valve and supplying a flow of water with a constant head of 1.5 m from an overhead tank. The valve is fitted to a horizontal length of smooth-walled pipe with a length of 1.5 m and internal diameter of 20 mm. The water has a density of 1000 kg m-³ and a viscosity of 0.001 Nsm ². From the test data in the following table, calculate the loss factor profile defined in head loss form as u² 28 ho = k₂-
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Related Book For
Chemical Engineering Design
ISBN: 9780081025994
6th Edition
Authors: Ray Sinnott, R.K. Sinnott, Sinnott Gavin Towler
Posted Date:
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