Update app.py

app.py

@@ -1,89 +1,30 @@
 import gradio as gr
-"hydraulic_power_kw": r(P_hydraulic_kW, 6),
-"pump_power_kw": r(P_pump_kW, 6),
-"hydraulic_power_hp": r(P_hydraulic_HP, 4),
-"pump_power_hp": r(P_pump_HP, 4),
-"notes": notes
 
-
-
-
-
-# Build Gradio UI
-with gr.Blocks(title="Pump Power Calculator — Fluids") as demo:
-gr.Markdown("""
-## Pump Power Calculator
-Calculate hydraulic power and required pump shaft power for pumps in fluid systems.
-
-
-**Equations used:**
-- Hydraulic power (W) = ρ · g · Q · H
-- Pump shaft power (W) = Hydraulic power / η
-
-
-Enter flow, head, efficiency and fluid density (default water = 1000 kg/m³).
-""")
-
-
-with gr.Row():
-with gr.Column(scale=1):
-flow_rate = gr.Number(value=0.1, label="Flow rate")
-flow_unit = gr.Dropdown(choices=['m3/s','L/s','m3/h','m3/min','L/min','US gpm'], value='L/s', label='Flow unit')
-head = gr.Number(value=10.0, label="Head (m)")
-efficiency = gr.Number(value=70.0, label="Pump efficiency (%)")
-fluid_density = gr.Number(value=RHO_WATER, label="Fluid density (kg/m^3)")
-units_output = gr.Radio(choices=['kW','HP','Both'], value='Both', label='Output units')
-calc_btn = gr.Button("Calculate")
-
-
-with gr.Column(scale=1):
-hydraulic_kw = gr.Textbox(label="Hydraulic power (kW)")
-pump_kw = gr.Textbox(label="Pump shaft power (kW)")
-hydraulic_hp = gr.Textbox(label="Hydraulic power (HP)")
-pump_hp = gr.Textbox(label="Pump shaft power (HP)")
-notes_box = gr.Textbox(label="Notes / Conversion info", lines=3)
-
-
-def _on_calculate(flow_rate, flow_unit, head, efficiency, fluid_density, units_output):
-out = calculate_pump_power(flow_rate, flow_unit, head, efficiency, fluid_density, units_output)
-
-
-# prepare display depending on units_output
-hk = out['hydraulic_power_kw']
-pk = out['pump_power_kw']
-hh = out['hydraulic_power_hp']
-ph = out['pump_power_hp']
-
-
-if units_output == 'kW':
-return hk, pk, "-", "-", out['notes']
-elif units_output == 'HP':
-return "-", "-", hh, ph, out['notes']
-else:
-return hk, pk, hh, ph, out['notes']
-
-
-calc_btn.click(
-_on_calculate,
-inputs=[flow_rate, flow_unit, head, efficiency, fluid_density, units_output],
-outputs=[hydraulic_kw, pump_kw, hydraulic_hp, pump_hp, notes_box]
+def pump_power(flow_rate, head, efficiency):
+    """
+    flow_rate: m^3/s
+    head: m
+    efficiency: decimal (0.7 for 70%)
+    """
+    rho = 1000  # water density kg/m³
+    g = 9.81    # gravity m/s²
+    try:
+        P = (rho * g * flow_rate * head) / (efficiency if efficiency > 0 else 1)
+        return f"Pump Power: {P/1000:.2f} kW"
+    except Exception as e:
+        return f"Error: {e}"
+
+iface = gr.Interface(
+    fn=pump_power,
+    inputs=[
+        gr.Number(label="Flow Rate (m³/s)"),
+        gr.Number(label="Head (m)"),
+        gr.Number(label="Efficiency (0-1)")
+    ],
+    outputs="text",
+    title="Pump Power Calculator",
+    description="Calculates pump power requirement for water flow."
 )
 
-
-gr.Markdown("""
-**Example use-cases / sanity checks:**
-- Small utility pump: Q = 10 L/s, H = 20 m, η = 65% → result should be a few kW.
-- Large circulation pump: Q = 0.5 m³/s, H = 15 m, η = 80% → result tens of kW.
-
-
-**Notes:** The calculator uses a steady-state hydraulic power equation and ignores pipe losses, NPSH, cavitation and other real-world factors. Use this for first-order sizing only.
-""")
-
-
-gr.HTML("<small>Made with Gradio — ready for deployment to Hugging Face Spaces (use `gradio` >= 3.0).</small>")
-
-
-
-
-if __name__ == '__main__':
-demo.launch()
+if __name__ == "__main__":
+    iface.launch()