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import streamlit as st
import math
import matplotlib.pyplot as plt
import numpy as np
# Function to calculate pipe diameter
def calculate_diameter(flow_rate, velocity):
# Formula to calculate pipe diameter (d = sqrt(4 * Q / (pi * v)))
# Where Q is flow rate (in cubic meters per second)
# v is the velocity (in meters per second)
diameter = math.sqrt(4 * flow_rate / (math.pi * velocity))
return diameter
# Function to plot the graph
def plot_diameter_graph():
# Define a range of flow rates (Q) and velocities (v)
flow_rate_values = np.linspace(0.01, 1.0, 100) # Range of flow rates (0.01 to 1.0 m³/s)
velocity_values = np.linspace(0.1, 5.0, 50) # Range of velocities (0.1 to 5.0 m/s)
# Create a meshgrid for the flow rates and velocities
flow_rate_grid, velocity_grid = np.meshgrid(flow_rate_values, velocity_values)
# Calculate the pipe diameter for each combination of flow rate and velocity
diameter_values = np.sqrt(4 * flow_rate_grid / (np.pi * velocity_grid))
# Plotting the graph
fig, ax = plt.subplots(figsize=(10, 6))
cp = ax.contourf(flow_rate_grid, velocity_grid, diameter_values, cmap='viridis')
fig.colorbar(cp, ax=ax, label='Pipe Diameter (m)')
ax.set_xlabel('Flow Rate (m³/s)')
ax.set_ylabel('Velocity (m/s)')
ax.set_title('Pipe Diameter vs. Flow Rate and Velocity')
# Display the plot in Streamlit
st.pyplot(fig)
# Streamlit App
def main():
# Set the page configuration with a title, icon, and layout style
st.set_page_config(
page_title="Pipe Sizing Helper",
page_icon="💧", # Water-related icon
layout="centered", # Center the content
)
# Title and description
st.title("Pipe Sizing Helper 💧")
st.markdown("Enter the flow rate and permissible velocity to get the recommended pipe diameter.")
# Input fields for flow rate and velocity
flow_rate = st.number_input("Enter Flow Rate (m³/s):", min_value=0.0, step=0.01)
velocity = st.number_input("Enter Permissible Velocity (m/s):", min_value=0.0, step=0.1)
# Create a button to calculate the recommended pipe diameter
if st.button("Generate Pipe Diameter"):
# Check if both flow rate and velocity are greater than zero
if flow_rate > 0 and velocity > 0:
diameter = calculate_diameter(flow_rate, velocity)
st.write(f"The recommended pipe diameter is: **{diameter:.2f} meters**")
else:
st.error("Please enter valid values for flow rate and velocity.")
# Show the graphical visualization of pipe diameter vs flow rate and velocity
st.subheader("Graphical Visualization")
plot_diameter_graph()
# Add some helpful info or tips
st.markdown("""
### Tips:
- Flow rate (Q) is the volume of fluid passing through the pipe per unit of time (in cubic meters per second).
- Permissible velocity (v) is the maximum allowable speed of the fluid inside the pipe (in meters per second).
""")
if __name__ == "__main__":
main() |