initial commit / add all books

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diff --git a/2873/CH6/EX6.14/Ex6_14.sce b/2873/CH6/EX6.14/Ex6_14.sce
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+// Display mode

+mode(0);

+// Display warning for floating point exception

+ieee(1);

+clear;

+clc;

+disp("Engineering Thermodynamics by Onkar Singh Chapter 6 Example 14")

+x1=0.5;//dryness fraction 

+m1=100;//mass of steam in kg

+v1=0.8475;//

+disp("it is constant volume process")

+disp("volume of vessel(V)=mass of vapour * specific volume of vapour")

+disp("initial specific volume,v1")

+disp("v1=vf_100Kpa+x1*vfg_100 in m^3/kg")

+disp("at 100 Kpa from steam table;")

+disp("hf_100Kpa=417.46 KJ/kg,uf_100Kpa=417.36 KJ/kg,vf_100Kpa=0.001043 m^3/kg,hfg_100Kpa=2258 KJ/kg,ufg_100Kpa=2088.7 KJ/kg,vg_100Kpa=1.6940 m^3/kg")

+hf_100Kpa=417.46;

+uf_100Kpa=417.36;

+vf_100Kpa=0.001043;

+hfg_100Kpa=2258;

+ufg_100Kpa=2088.7;

+vg_100Kpa=1.6940;

+disp(" here vfg_100Kpa=vg_100Kpa-vf_100Kpa in m^3/kg")

+vfg_100Kpa=vg_100Kpa-vf_100Kpa

+disp("so v1=vf_100Kpa+x1*vfg_100Kpa in m^3/kg")

+v1=vf_100Kpa+x1*vfg_100Kpa

+disp("and volume of vessel(V)=m1*x1*v1 in m^3")

+V=m1*x1*v1

+disp("enthalpy at 1,h1=hf_100Kpa+x1*hfg_100Kpa in KJ/kg")

+h1=hf_100Kpa+x1*hfg_100Kpa

+disp("internal energy in the beginning=U1=m1*u1 in KJ")

+U1=m1*(uf_100Kpa+x1*ufg_100Kpa)

+disp("let the mass of dry steam added be m,final specific volume inside vessel,v2")

+disp("v2=vf_1000Kpa+x2*vfg_1000Kpa")

+disp("at 2000 Kpa,from steam table,")

+disp("vg_2000Kpa=0.09963 m^3/kg,ug_2000Kpa=2600.3 KJ/kg,hg_2000Kpa=2799.5 KJ/kg")

+vg_2000Kpa=0.09963;

+ug_2000Kpa=2600.3;

+hg_2000Kpa=2799.5;

+disp("total mass inside vessel=mass of steam at2000 Kpa+mass of mixture at 100 Kpa")

+disp("V/v2=V/vg_2000Kpa+V/v1")

+disp("so v2=1/((1/vg_2000Kpa)+(1/v1))in m^3/kg")

+v2=1/((1/vg_2000Kpa)+(1/v1))

+disp("here v2=vf_1000Kpa+x2*vfg_1000Kpa in m^3/kg")

+disp("at 1000 Kpa from steam table,")

+disp("hf_1000Kpa=762.81 KJ/kg,hfg_1000Kpa=2015.3 KJ/kg,vf_1000Kpa=0.001127 m^3/kg,vg_1000Kpa=0.19444 m^3/kg")

+hf_1000Kpa=762.81;

+hfg_1000Kpa=2015.3;

+vf_1000Kpa=0.001127;

+vg_1000Kpa=0.19444;

+disp("here vfg_1000Kpa=vg_1000Kpa-vf_1000Kpa in m^3/kg")

+vfg_1000Kpa=vg_1000Kpa-vf_1000Kpa

+disp("so x2=(v2-vf_1000Kpa)/vfg_1000Kpa")

+x2=(v2-vf_1000Kpa)/vfg_1000Kpa

+disp("for adiabatic mixing,(100+m)*h2=100*h1+m*hg_2000Kpa")

+disp("so mass of dry steam at 2000 Kpa to be added(m)in kg")

+disp("m=(100*(h1-h2))/(h2-hg_2000Kpa)")

+m=(100*(h1-(hf_1000Kpa+x2*hfg_1000Kpa)))/((hf_1000Kpa+x2*hfg_1000Kpa)-hg_2000Kpa)

+disp("quality of final mixture=x2")

+x2

+

+

+

+

+

+

+

+

diff --git a/2873/CH6/EX6.14/Ex6_14_1.jpg b/2873/CH6/EX6.14/Ex6_14_1.jpg
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diff --git a/2873/CH6/EX6.14/Ex6_14_2.jpg b/2873/CH6/EX6.14/Ex6_14_2.jpg
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+++ b/2873/CH6/EX6.14/Ex6_14_2.jpg