By C P Kothandaraman
Numerical examples for every of the equations derived; Solved difficulties to spotlight complete spectrum of functions; aim questions for self overview; Graded difficulties for routines, generally with answers
This e-book is meant to be used in undergraduate classes of civil, mechanical and chemical engineering; the SI approach of devices is followed all through. so one can supply vast perform within the program of assorted options, the subsequent layout is utilized in the entire chapters. Enunciation of simple thoughts; improvement of actual and mathematical types with interspersed numerical examples; Illustrative examples related to the applying and extension of the types constructed; goal questions and workout difficulties
desk of Contents: actual homes of Fluids/ strain Distribution in Fluids/ Forces on Surfaces Immersed in Fluids/ Buoyancy Forces and balance of Floating our bodies/ Fluid Flower easy suggestions Hydrodynamics/ Bernoulli Equation and purposes/ circulation in closed Conduits (Pipes)/ Dimensional research/ Similitude and version checking out/ Boundary Layer conception and circulation over Surfaces/ movement Measurements/ move in Open Channels/ Dynamics of fluid move/ Hydraulic generators/ Rotodynamic Pumps/ Reciprocating Pumps/ Appendix
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19. The pressure of water in a power press cylinder is released from 990 bar to 1 bar isothermally. If the average value of bulk modulus for water in this range is 2430 × 106 N/m2. What will be the percentage increase in specific volume? The definition of bulk modulus, Ev = – dp/(dv/v) is used to obtain the solution. 20. Density of sea water at the surface was measured as 1040 kg/m3 at an atmospheric pressure of 1 bar. At certain depth in water, the density was found to be 1055 kg/m3. Determine the pressure at that point.
Answers (1) –dp/(dv/v) (2) the process of change (3) increase (4) high (5) pressure (6) sound (7) µ = τ/(du/dy) the proportionality constant between shear stress and velocity gradient (8) µ/ρ (9) one with no viscosity or compressibility (10) A constant viscosity irrespective of the velocity gradient. 5 Fill in the blanks with suitable words: 1. A non Newtonian fluid is defined as _________. 2. An ideal plastic is defined as _________. 3. A thixotropic fluid is defined as _________. 4. Surface tension is defined as _________.
The vapour pressure over a liquid _________ when other gases are present in addition to the vapour. 10. As cohesive force _________ compared to adhesive forces, the capillary will rise. 8 Indicate whether the statements are correct or incorrect. 1. Density is the ratio of mass of unit volume of liquid to the mass of unit volume of water. 2. In the gas equation temperature should be used in Kelvin scale. 3. Specific weight is the mass of unit volume. 4. The cohesive forces are highest in gases. 5.