Question 3 (a) Given the steady, two-dimensional and incompressible velocity field of 2 V = (u, v) = (ax +b)i + (-ay + c

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Question 3 (a) Given the steady, two-dimensional and incompressible velocity field of 2 V = (u, v) = (ax +b)i + (-ay + c

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Question 3 A Given The Steady Two Dimensional And Incompressible Velocity Field Of 2 V U V Ax B I Ay C 1
Question 3 A Given The Steady Two Dimensional And Incompressible Velocity Field Of 2 V U V Ax B I Ay C 1 (70.23 KiB) Viewed 14 times
Question 3 (a) Given the steady, two-dimensional and incompressible velocity field of 2 V = (u, v) = (ax +b)i + (-ay + cx)], where a,b and c are constants. cam (Diberi medan halaju V = (u, v) = (ax + b)i + (-ay + cx); dalam keadaan mantap, dua dimensi dan tak boleh mampat di mana a, b dan c adalah pemalar./ Assumption: [Andaian: • The flow is steady and incompressible. (Aliran adalah mantap dan tak boleh mampat.) • The fluid has constant properties. (Bendalir punyai sifat-sifat pemalar./ • The flow is two-dimensional in the xy-plane. Aliran adalah dua dimensi pada satah xy.) • Gravity forces do not act in either the x- or y-direction. (Daya gravity tidak bertindak samada pada arah x atau y.) Determine the pressure as function of x and y. (Tentukan tekanan sebagai fungsi kepada x dan y.) (12 Marks/ Markah) (b) Consider the following steady, two-dimensional, incompressible velocity field of V = (u, v) = (-ax?)i + (2xy)j, where a is a constant and the assumptions are as in Question 4(a). Justify why the pressure field P(x,y) is not a smooth function of x and y and we are unable to calculate a steady, incompressible, two dimensional pressure field with the given velocity field. (Diberi medan halaju V = (u, v) = (-ax')i + (2xy) dalam keadaan mantap, dua dimensi dan tak boleh mampar, di mana a adalah pemalar dan semua andaian adalah sama seperti andaian Soalan 4(a). Justifikasikan kenapa medan tekanan P(x,y) adalah fungsi x dan y yang tidak licin, dan kita tidak berupaya untuk menghitung medan tekanan yang berkeadaan mantap, tak boleh mampar dan dua dimensi dengan medan halaju yang diberikan. (8 Marks/ Markah)
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