initial commit / add all books

4 files changed, 78 insertions, 0 deletions

diff --git a/1052/CH29/EX29.2/292.sce b/1052/CH29/EX29.2/292.sce
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+++ b/1052/CH29/EX29.2/292.sce
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+clc;

+//Example 29.2

+//page no 455

+printf("Example 29.2 page no 455\n\n");

+//the probability distribution of the number of defectives in a sample of five pump drawn with replacement from lot of 1000 pump

+//the probability distribution of x, thenumber of sucess in n performances of th erandom experiment is the probability distribution function 

+//P(x) = (factorial(n)/factorial(x)*(factorial n -factorial x))*(p^x*q^n-x)

+n=5//no. of performances

+x=3//no. of successes 

+p=0.05//probability of sucesses when the sample of pump is drawn with replacement

+q=1-p//probability of faliure

+P=factorial(n)*((p^x)*(q^(n-x)))/(factorial(x)*(factorial(n)-factorial(x)))//probability when x=3//probability when x=3/factorial(x)*(factorial(n)-factorial(x))*(p^x*q^(n-x))//probability when x=3

+printf("\n probability P=%f  ",P); //calculation error in book

+

diff --git a/1052/CH29/EX29.3/293.sce b/1052/CH29/EX29.3/293.sce
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index 000000000..500f45ab1
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+++ b/1052/CH29/EX29.3/293.sce
@@ -0,0 +1,28 @@
+clc;

+//Examctple 29.3

+//page no 455

+printf("Example 29.3 page no 455");

+//an iron foundry has four work stations that are connected to single duct

+v_air=4000//the minimum air velocity required for general foundry dust,ft/min

+v_air_s=v_air/60//velocity of air in ft/s

+n=4//no. of duct

+q_e=3000//each duct transport air,acfm

+q=n*q_e//total transport,acfm

+A=q/v_air//cross sectional area required ,ft^2

+D=sqrt(4*A/%pi)//duct diameter,ft

+rho=0.075//density of air

+meu=1.21e-5//viscosity of air

+R_e=D*rho*v_air_s/meu//reynolds no

+printf("\n reynolds no. R_e=%f ",R_e);

+f=0.003///fanning friction factor,since R_e >20000

+L=400//duct length

+g_c=32.2//grav. acc.

+P_drop_d=(4*f*L*v_air_s^2*rho)/(2*g_c*D)//pressure drop in the duct

+printf("\n pressure drop in duct P_drop_d=%f lbf/ft^2",P_drop_d);

+P_drop_h=0.5*5.2//pressure drop in  hood

+P_drop_cyc=3.5*5.2//pressure drop in cyclone cleaner

+P_drop_t=P_drop_d + P_drop_h + P_drop_cyc//total prssure drop

+printf("\n total pressure drop P_drop_t=%f lbf/ft^2",P_drop_t);

+neta=0.4//pump efficiency

+hp=(P_drop_t*q/neta)*3.03e-5//power required in hp

+printf("\n power required hp=%f hp ",hp);

diff --git a/1052/CH29/EX29.6/296.sce b/1052/CH29/EX29.6/296.sce
new file mode 100755
index 000000000..a5cfb93be
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+++ b/1052/CH29/EX29.6/296.sce
@@ -0,0 +1,21 @@
+clc;

+//Example 29.6

+//page no 458

+printf("Example 29.6 page no 458\n\n");

+//a baghouse has been used to clean a particulate gas steam

+l_i=5//inlet loading,grains/ft^3

+l_o=0.03//outlet loading,grains/ft^3

+l_o_max=0.4//maximum outlet loading,grains/ft^3

+E_b=(l_i-l_o)/l_i//efficiency before bag failure

+P_t=1-E_b//penetration before bag failure

+E=(l_i-l_o_max)/l_i//efficiency on regulatory conditions

+P_t_r=1-E//penetration regulatory conditons

+P_tc=P_t_r-P_t//penetration associated with failed bags

+printf("\n penetration associated with failed bags P_tc=%f ",P_tc);

+P_drop=6//pressure drop,in of H2O

+T=250//temperature,deg F

+q=50000//volumetric flow rate,acfm

+D=8//diamter of bags,in

+L= q*P_tc/(0.582*P_drop^0.5*D^2*(T+460)^0.5)//number of bag failure that the system can tolerate and still remain in compliance

+printf("\n no. of bags L=%f ",L);

+//thus if two bags fail,baghouse is out of complance

diff --git a/1052/CH29/EX29.7/297.sce b/1052/CH29/EX29.7/297.sce
new file mode 100755
index 000000000..41ce28ad0
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+++ b/1052/CH29/EX29.7/297.sce
@@ -0,0 +1,15 @@
+clc;

+//Example 29.7

+//page no 461

+printf("\Example 29.7 page no 461\n\n");

+//a reactor is located in a relatively large laboratory,the reactor  can emit as much as of hydrocarbon into the room if a safety valves ruptures

+v=1100//volume of reactor,m^3

+T=295//temperature of reactor,K

+v_s=0.0224//volume of gas at STP,m^3

+T_s=273//standard temperature,K

+n_air=(v/v_s)*(T_s/T)//total gmoles of air in the room

+printf("\n n_air=%f gmol",n_air);

+v_r=0.75//Hydrocarbon emit by reactor,gmol

+x_hc= (v_r/(n_air + v_r))*10^9//mole fraction of hydrocarbon in the room,parts per billion 

+printf("\n mole fraction of HC x_hc=%f ppb ",x_hc); 

+