Update app.py

app.py

@@ -11,18 +11,36 @@ def calculate_diameter(flow_rate, velocity):
 
 # Streamlit App
 def main():
-    st.title("Pipe Sizing Helper")
+    # 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.")
 
-    # Calculate and display recommended pipe diameter
-    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.write("Please enter valid values for flow rate and velocity.")
+    # 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()