From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001 From: prashantsinalkar Date: Tue, 10 Oct 2017 12:27:19 +0530 Subject: initial commit / add all books --- 534/CH14/EX14.7/14_7_Drug_Medication.sce | 46 ++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 534/CH14/EX14.7/14_7_Drug_Medication.sce (limited to '534/CH14/EX14.7/14_7_Drug_Medication.sce') diff --git a/534/CH14/EX14.7/14_7_Drug_Medication.sce b/534/CH14/EX14.7/14_7_Drug_Medication.sce new file mode 100644 index 000000000..150f3e3d5 --- /dev/null +++ b/534/CH14/EX14.7/14_7_Drug_Medication.sce @@ -0,0 +1,46 @@ +clear; +clc; +printf('FUNDAMENTALS OF HEAT AND MASS TRANSFER \n Incropera / Dewitt / Bergman / Lavine \n EXAMPLE 14.7 Page 913 \n')// Example 14.7 + +// Total dosage of medicine delivered to the patient over a one-week time period, sensivity of the dosage to the mass duffusivity of the patch and skin + +Dap = .1*10^-12 ;//[m^2/s] Diffusion coefficient of medication with patch +Das = .2*10^-12 ;//[m^2/s] Diffusion coefficient of medication with skin +L = .05 ;//[m] patch Length +rhop = 100 ;//[kg/m^3] Density of medication on patch +rho2 = 0 ;//[kg/m^3] Density of medication on skin +K = .5 ;//Partition Coefficient +t = 3600*24*7 ;//[s] Treatment time + +//Applying Conservation of species equation 14.47b +//By analogy to equation 5.62, 5.26 and 5.58 +D = 2*rhop*L^2/(sqrt(%pi))*sqrt(Das*Dap*t)/(sqrt(Das)+sqrt(Dap)/K); + +printf('\n Total dosage of medicine delivered to the patient over a one-week time period is %.1f mg',D*10^6); + +//Senstivity of dosage to the patch and skin +clf(); +//Subplot 1 +Dap1 = .1*10^-12 ;//[m^2/s] +Das1 = .1*10^-12 ;//[m^2/s] +Das2 = .2*10^-12 ;//[m^2/s] +Das3 = .4*10^-12 ;//[m^2/s] +x = linspace(0,7,50); +y1 = 2*rhop*L^2/(sqrt(%pi))*sqrt(Das1*Dap1*3600*24*x)/(sqrt(Das1)+sqrt(Dap1)/K)*10^6; +y2 = 2*rhop*L^2/(sqrt(%pi))*sqrt(Das2*Dap1*3600*24*x)/(sqrt(Das2)+sqrt(Dap1)/K)*10^6; +y3 = 2*rhop*L^2/(sqrt(%pi))*sqrt(Das3*Dap1*3600*24*x)/(sqrt(Das3)+sqrt(Dap1)/K)*10^6; +subplot(1,2,1); +plot(x,y1,x,y2,x,y3); +xtitle("Dosage vs Time-period at Dap = .1*10^ -12 (m^2/s)", "Day", "Dosage (mg)"); +legend (".1*10^12", ".2*10^12", ".4*10^12"); + +//Subplot 2 +Dap2 = .01*10^-12 ;//[m^2/s] +yn1 = 2*rhop*L^2/(sqrt(%pi))*sqrt(Das1*Dap2*3600*24*x)/(sqrt(Das1)+sqrt(Dap2)/K)*10^6; +yn2 = 2*rhop*L^2/(sqrt(%pi))*sqrt(Das2*Dap2*3600*24*x)/(sqrt(Das2)+sqrt(Dap2)/K)*10^6; +yn3 = 2*rhop*L^2/(sqrt(%pi))*sqrt(Das3*Dap2*3600*24*x)/(sqrt(Das3)+sqrt(Dap2)/K)*10^6; +subplot(1,2,2); +plot(x,yn1,x,yn2,x,yn3); +xtitle("Dosage vs Time-period at Dap = .01*10^ -12 (m^2/s)", "Day", "Dosage (mg)"); +legend (".1*10^12", ".2*10^12", ".4*10^12"); +//END \ No newline at end of file -- cgit