Create app.py

app.py

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+import streamlit as st
+import math
+
+# Function to calculate pipe diameter based on flow rate and velocity
+def calculate_diameter(flow_rate, velocity):
+    # Using formula: D = sqrt((4 * Q) / (pi * V))
+    diameter = math.sqrt((4 * flow_rate) / (math.pi * velocity))
+    return diameter
+
+# Streamlit user interface
+def main():
+    st.title("Pipe Sizing Helper")
+    st.write("This app calculates the recommended pipe diameter based on given flow rate and velocity.")
+
+    # Input fields for flow rate and velocity
+    flow_rate = st.number_input("Enter the flow rate (m³/s):", min_value=0.0, step=0.01)
+    velocity = st.number_input("Enter the permissible velocity (m/s):", min_value=0.1, step=0.1)
+
+    # Check if both inputs are positive and valid
+    if flow_rate > 0 and velocity > 0:
+        # Calculate the pipe diameter
+        diameter = calculate_diameter(flow_rate, velocity)
+        st.write(f"Recommended pipe diameter: {diameter:.2f} meters")
+    else:
+        st.write("Please enter valid flow rate and velocity.")
+
+if __name__ == "__main__":
+    main()