From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 1187/CH6/EX6.1/1.sce | 28 ++++++++++++++++++++++++++++ 1187/CH6/EX6.2/2.sce | 10 ++++++++++ 1187/CH6/EX6.3/3.sce | 21 +++++++++++++++++++++ 1187/CH6/EX6.4/4.sce | 18 ++++++++++++++++++ 1187/CH6/EX6.5/5.sce | 32 ++++++++++++++++++++++++++++++++ 1187/CH6/EX6.6/6.sce | 16 ++++++++++++++++ 1187/CH6/EX6.7/7.sce | 22 ++++++++++++++++++++++ 7 files changed, 147 insertions(+) create mode 100755 1187/CH6/EX6.1/1.sce create mode 100755 1187/CH6/EX6.2/2.sce create mode 100755 1187/CH6/EX6.3/3.sce create mode 100755 1187/CH6/EX6.4/4.sce create mode 100755 1187/CH6/EX6.5/5.sce create mode 100755 1187/CH6/EX6.6/6.sce create mode 100755 1187/CH6/EX6.7/7.sce (limited to '1187/CH6') diff --git a/1187/CH6/EX6.1/1.sce b/1187/CH6/EX6.1/1.sce new file mode 100755 index 000000000..44cb37305 --- /dev/null +++ b/1187/CH6/EX6.1/1.sce @@ -0,0 +1,28 @@ +clc + +RD=0.83; +rho_w=1000; // density of water in kg/m^3 +v=2.3; // m/s +d=0.012; // m +u=0.08; // dynamic viscocity in kg/m/s + +rho_oil=RD*rho_w; + +Re=rho_oil*v*d/u; +disp("(a) Reynolds number =") +disp(Re) + +v_max=2*v; +disp("(b)Maximum velocity =") +disp(v_max) +disp("m/s") + +Q=%pi/4*d^2*v; +disp("(c)Volumetric flow rate =") +disp(Q) +disp("m^3/s") + +p=-128*Q*u/%pi/d^4; +disp("Pressure gradient along the pipe = ") +disp(p) +disp("Pa/m") \ No newline at end of file diff --git a/1187/CH6/EX6.2/2.sce b/1187/CH6/EX6.2/2.sce new file mode 100755 index 000000000..82cee4e55 --- /dev/null +++ b/1187/CH6/EX6.2/2.sce @@ -0,0 +1,10 @@ +clc +c=0.001; // m +p1=15*10^3; // Pa +u=0.6; // kg/m/s +R=6; // ratio of R2/R1 + +Q=%pi*c^3*p1/(6*u*log(R)); +disp("(b)Rate at which oil must be supplied =") +disp(Q) +disp("m^3/s") \ No newline at end of file diff --git a/1187/CH6/EX6.3/3.sce b/1187/CH6/EX6.3/3.sce new file mode 100755 index 000000000..674f7f06e --- /dev/null +++ b/1187/CH6/EX6.3/3.sce @@ -0,0 +1,21 @@ +clc + +F=6*10^3; // Pa +b=0.12; // m + +f=F*b; + +disp("(a) The load the pad will support =") +disp(f) +disp("N/m") + +dp=12*10^3; // N/m^2 +dx=0.12; // m +c=0.00018; // m +u=0.5; // kg/m/s +V=5; // m/s + +q=(dp/dx)*c^3/12/u + V*c/2; +disp("(b) The rate at which oil must be supplied =") +disp(q) +disp("m^2/s") \ No newline at end of file diff --git a/1187/CH6/EX6.4/4.sce b/1187/CH6/EX6.4/4.sce new file mode 100755 index 000000000..ef1805894 --- /dev/null +++ b/1187/CH6/EX6.4/4.sce @@ -0,0 +1,18 @@ +clc + +d_p=0.05; // diameter of piston in m +d_c=0.0504; // diameter of cylinder in m +SG=0.87; +rho_w=1000; // kg/m^3 +v=10^-4; // m^2/s +dp=1.4*10^6; // Pa +l=0.13; // m + +c=(d_c-d_p)/2; // clearance + +u=SG*rho_w*v; // Dynamice viscocity + +Vp=dp*c^3/(6*u*l*(d_p/2+c)); +disp("Velocity of the dashpot =") +disp(Vp) +disp("m/s") \ No newline at end of file diff --git a/1187/CH6/EX6.5/5.sce b/1187/CH6/EX6.5/5.sce new file mode 100755 index 000000000..855726b1d --- /dev/null +++ b/1187/CH6/EX6.5/5.sce @@ -0,0 +1,32 @@ +clc + +disp("(a)the dynamic and kinematic viscosities of the oil") + +d=0.00475; // m +g=9.81; // m/s^2 +rho_s=1151; // kg/m^3 +rho=880; // kg/m^3 +u=0.006; // m/s + +F=%pi/6*d^3*g*(rho_s-rho); + +rat_d=0.25; // ratio of d/D +rat_F=1.8; // ratio of F/Fo + +dynamic=F/(1.8*3*%pi*u*d); + +kinematic=dynamic/rho; + +disp("Dynamic viscosity = ") +disp(dynamic) +disp("kg/m/s") + +disp("Kinematic viscosity =") +disp(kinematic) +disp("m^2/s") + +disp("(b) Reynolds number of sphere =") + +Re=rho*u*d/dynamic; +disp("Reynolds number =") +disp(Re) diff --git a/1187/CH6/EX6.6/6.sce b/1187/CH6/EX6.6/6.sce new file mode 100755 index 000000000..2144a3761 --- /dev/null +++ b/1187/CH6/EX6.6/6.sce @@ -0,0 +1,16 @@ +clc + +D=0.120; // m +h=0.08; // m +c=0.001; // m +t=0.01875; // m +rev=65; // revolutions per min +T=4*10^-3; // N.m + +K1=%pi*h/4/c; +K2=%pi/32/t; + +u=T/(rev*2*%pi/60)/(K1*D^3+K2*D^4); +disp("viscosity of the liquid =") +disp(u) +disp("Pa.s") \ No newline at end of file diff --git a/1187/CH6/EX6.7/7.sce b/1187/CH6/EX6.7/7.sce new file mode 100755 index 000000000..34b9647d5 --- /dev/null +++ b/1187/CH6/EX6.7/7.sce @@ -0,0 +1,22 @@ +clc + +V=10; // m/s +h1=0.0005; // m +h2=0.00025; // m +L=0.1; // m +b=0.1; // m +RD=0.87; +u=2*10^-4; // m^2/s +rho_w=1000; // kg/m^3 + +H=h1/h2; + +Q=V/2*(1+H^2)/(1+H^3)*b*h1; +disp("(b) Volumetric flow rate of oil =") +disp(Q) +disp("m^3/s") + +F=V/2*(1-(1+H^2)/(1+H^3))*12*RD*rho_w*u/h1^2*L^2/4*b; +disp("The load supported by the bearing =") +disp(F) +disp("N") \ No newline at end of file -- cgit