Create app.py

app.py

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+import streamlit as st
+import numpy as np
+
+st.set_page_config(page_title="Cooling Tower Operation", layout="centered")
+
+st.title("Cooling Tower Operation Simulator")
+
+# User Inputs
+Ti = st.number_input("Hot Water Temperature (°C)", min_value=30.0, max_value=90.0, value=45.0)
+To = st.number_input("Cold Water Temperature (°C)", min_value=10.0, max_value=Ti, value=35.0)
+Twb = st.number_input("Wet Bulb Temperature (°C)", min_value=5.0, max_value=To, value=28.0)
+m_water = st.number_input("Water Flow Rate (kg/s)", min_value=0.1, value=10.0)
+
+# Constants
+cp = 4.18  # Specific heat of water in kJ/kg°C
+
+# Calculations
+Q = m_water * cp * (Ti - To)
+range_temp = Ti - To
+approach = To - Twb
+effectiveness = range_temp / (Ti - Twb)
+
+# Results
+st.subheader("Operational Results")
+st.write(f"**Cooling Range:** {range_temp:.2f} °C")
+st.write(f"**Approach:** {approach:.2f} °C")
+st.write(f"**Effectiveness:** {effectiveness:.2%}")
+st.write(f"**Heat Rejected:** {Q:.2f} kW")
+
+# Optional Plot
+time = np.linspace(0, 10, 100)
+heat_loss = Q * np.exp(-0.3 * time)
+st.line_chart({"Heat Rejected Over Time (kW)": heat_loss})