# 	**Example 3.1: Units Conversion**

rho = 1.085 g/cm^3
gamma = rho* grav(); N/m^3 	#Fetter: 1.064e4 N/m^3


# 	**Example 3.4.4: Intrinsic Permeability**

rho = 0.999099 g/cm^3
visc = 0.011404 g / s cm
perm = 2.7e-3 darcy
K = perm*(rho*grav()/visc); cm/s 	#Fetter: 2.28e-6 cm/s


# 	**Example 3.5a: Constant Head Permeameter**

Length = 15 cm
Area = 25 cm^2
head = 5 cm
Vol = 100 ml
t = 12 min
K = Vol*Length/(Area*t*head); m/day 	#Fetter: 14 m/day


# 	**Example 3.5b: Falling Head Permeameter**

Dt = 2 cm
Dc = 10 cm
Len = 15 cm
ho = 5 cm
ht = 0.5 cm
t = 528 min
K = (Dt^2 * Len / (Dc^2 * t)) * ln(ho/ht); m/day     #Fetter: 3.8e-2 m/day


# 	**Example 3.9: Change in Storage**

#--Step 1: Unconfined aquifer
S = 0.13
Area = 123 mile^2
deltaH = 5.23 ft
VolH2O = S * Area * deltaH; ft^3     #Fetter: 2.3e9 ft^3

#--Step 2: Confined aquifer
S = 0.0005
VolH2O = S * Area * deltaH; ft^3     #Fetter: 9.0e6 ft^3


# 	**Example 3.10: Aquifer Compressibility**

#--Part A: Vertical compressibility
bo = 45 m
db = 0.2 m
deltaH = 25 m
rho = 1000 kg/m^3
dP = deltaH*rho*grav()
alpha = (db/bo)/dP; m^2/N    #Fetter: 1.8e-8 m^2/N

#--Part B: Aquifer storativity
beta = 4.6e-10 m^2/N
n = 0.12
S = bo*(rho*grav()*(alpha + n*beta))     #Fetter: 7.9e-3



# Homework Problems:

TBD