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author | priyanka | 2015-06-24 15:03:17 +0530 |
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committer | priyanka | 2015-06-24 15:03:17 +0530 |
commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
tree | ab291cffc65280e58ac82470ba63fbcca7805165 /2510/CH6 | |
download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip |
initial commit / add all books
Diffstat (limited to '2510/CH6')
-rwxr-xr-x | 2510/CH6/EX6.1/Ex6_1.sce | 10 | ||||
-rwxr-xr-x | 2510/CH6/EX6.11/Ex6_11.sce | 13 | ||||
-rwxr-xr-x | 2510/CH6/EX6.12/Ex6_12.sce | 17 | ||||
-rwxr-xr-x | 2510/CH6/EX6.13/Ex6_13.sce | 11 | ||||
-rwxr-xr-x | 2510/CH6/EX6.14/Ex6_14.sce | 13 | ||||
-rwxr-xr-x | 2510/CH6/EX6.2/Ex6_2.sce | 16 | ||||
-rwxr-xr-x | 2510/CH6/EX6.3/Ex6_3.sce | 14 | ||||
-rwxr-xr-x | 2510/CH6/EX6.4/Ex6_4.sce | 16 |
8 files changed, 110 insertions, 0 deletions
diff --git a/2510/CH6/EX6.1/Ex6_1.sce b/2510/CH6/EX6.1/Ex6_1.sce new file mode 100755 index 000000000..050c8f3ba --- /dev/null +++ b/2510/CH6/EX6.1/Ex6_1.sce @@ -0,0 +1,10 @@ +//Variable declaration: +NPS = 2 //Nominal pipe size (inch) +SN = 40 //Schedule number + +//Calculation: +//From Table 6.2, we obtain that the inside diameter of steel pipe is ID = 2.067 in. +ID = 2.067 + +//Result: +printf("The inside diameter of steel pipe is : %f in.",ID) diff --git a/2510/CH6/EX6.11/Ex6_11.sce b/2510/CH6/EX6.11/Ex6_11.sce new file mode 100755 index 000000000..cc6a9db3e --- /dev/null +++ b/2510/CH6/EX6.11/Ex6_11.sce @@ -0,0 +1,13 @@ +//Variable declaration: +a = 1 //Length of cross-section (m) +b = 0.25 //Width of cross-section (m) +v = 1*10**-5 //Kinematic viscosity of air (m^2/s) +Re = 2300.0 //Reynolds Number +cm = 100 //Cenitmeters in a meter + +//Calculation: +Dh = 2*a*b/(a+b) //Hydraulic diameter of duct (m) +V = Re*v/Dh*cm //Maximum air velocity (cm/s) + +//Result: +printf("The maximum air velocity before the flow becomes turbulent is : %.1f cm/s.",V) diff --git a/2510/CH6/EX6.12/Ex6_12.sce b/2510/CH6/EX6.12/Ex6_12.sce new file mode 100755 index 000000000..8221ee5aa --- /dev/null +++ b/2510/CH6/EX6.12/Ex6_12.sce @@ -0,0 +1,17 @@ +//Variable declaration: +q = 0.486 //Flow rate of fluid (ft^3/s) +D = 2.0/12.0 //Diameter of tube in feet (ft) +pi = 3.14 //Value of pi +p = 70.0 //Density of fluid (lb/ft^3) +u = 0.1806 //Viscosity of fluid (lb/ft) + +//Calculation: +V = 4*q/pi/D**2 //Flow velocity (ft/s) +Re = D*V*p/u //Reynolds Number + +//Result: +if(Re<2100) then + printf("The flow is laminar.") +elseif(Re>2100) then + printf("The flow is turbulant.") +end diff --git a/2510/CH6/EX6.13/Ex6_13.sce b/2510/CH6/EX6.13/Ex6_13.sce new file mode 100755 index 000000000..9deea2297 --- /dev/null +++ b/2510/CH6/EX6.13/Ex6_13.sce @@ -0,0 +1,11 @@ +//Variable declaration: +//From example 6.12, we have: +D = 2.0/12.0 //Diameter of pipe in feet (ft) +Re = 1440.0 //Reynolds number + +//Calculation: +Lc = 0.05*D*Re //Length of pipe (ft) + +//Result: +printf("The pipe length to ensure a fully developed flow is: %f ft.",Lc) +printf("This is an abnormally long calming length for a pipe (or tube) in a heat exchanger.") diff --git a/2510/CH6/EX6.14/Ex6_14.sce b/2510/CH6/EX6.14/Ex6_14.sce new file mode 100755 index 000000000..de7664586 --- /dev/null +++ b/2510/CH6/EX6.14/Ex6_14.sce @@ -0,0 +1,13 @@ +//Variable declaration: +u = 6.72*10**-4 //Viscosity of water (lb/ft.s) +p = 62.4 //Density of water (lb/ft^3) +//For laminar flow: +Re = 2100.0 //Reynolds number +//From table 6.2, we have: +D = 2.067/12.0 //Inside diameter of pipe (ft) + +//Calculation: +V = Re*u/D/p //Average velocity of water flowing (ft/s) + +//Result: +printf("The average velocity of water flowing is: %.2f ft/s.",V) diff --git a/2510/CH6/EX6.2/Ex6_2.sce b/2510/CH6/EX6.2/Ex6_2.sce new file mode 100755 index 000000000..1e54feacd --- /dev/null +++ b/2510/CH6/EX6.2/Ex6_2.sce @@ -0,0 +1,16 @@ +//Variable declaration: +NPS = 3 //Nominal pipe size (inch) +SN = 40 //Schedule number + +//Calculation: +//From Table 6.2, we obtain that the inside diameter of steel pipe is ID = 3.068 in, outside diameter OD = 3.5 in, wal thickness WT = 0.216 in, and pipe weight PW = 7.58 lb/ft. +ID = 3.068 +OD = 3.5 +WT = 0.216 +PW = 7.58 + +//Result: +printf("The inside diameter of steel pipe is : %f in",ID) +printf("The outside diameter of steel pipe is : %f in",OD) +printf("The wall thickness of steel pipe is : %f in",WT) +printf("The weight of steel pipe is : %f lb/ft.",PW) diff --git a/2510/CH6/EX6.3/Ex6_3.sce b/2510/CH6/EX6.3/Ex6_3.sce new file mode 100755 index 000000000..04ee86ff6 --- /dev/null +++ b/2510/CH6/EX6.3/Ex6_3.sce @@ -0,0 +1,14 @@ +//Variable declaration: +ID = 0.957 //Inside diameter of pipe (in) +OD = 1.315 //Outside diameter of pipe (in) +WT = 0.179 //Wall thickness of pipe (in) +PW = 2.17 //Weight of pipe (lb/ft) + +//Calculation: +//From Table 6.2, it indicates that the steel pipe is 1 inch schedule 80. +NSP = 1 +SN = 80 + +//Result: +printf("The nominal size of the pipe is : %f in.",NSP) +printf("The schedule number of the pipe is: %f .",SN) diff --git a/2510/CH6/EX6.4/Ex6_4.sce b/2510/CH6/EX6.4/Ex6_4.sce new file mode 100755 index 000000000..62aa508f7 --- /dev/null +++ b/2510/CH6/EX6.4/Ex6_4.sce @@ -0,0 +1,16 @@ +//Variable declaration: +S = 3/4 //Tube size (in) +BWG = 16 //Birmingham Wire Gauge number (gauge) + +//calculation: +//From table 6.3, we get: +ID = 0.620 //Internal diameter of tube (in) +WT = 0.065 //Wall thickness of tube (in) +OD = ID+2*WT //Outside diameter of tube (in) +EA = 0.1963 //External area per foot (ft) + +//Result: +printf("The inside diameter is : %f in",ID) +printf("The wall thickness is : %f in",WT) +printf("The outside diamater is : %f in",OD) +printf("The external area per foot per foot : %f ft",EA) |