Adding initial Project to git

BWR.core/Components/Concrete/pipe.cs

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+// MyBWRSimulator.Core/Components/Concrete/Pipe.cs
+namespace MyBWRSimulator.Core.Components.Concrete
+{
+    using MyBWRSimulator.Core.Components.Abstract;
+    using MyBWRSimulator.Core.Ports;
+    using System;
+    using System.Collections.Generic;
+
+    /// <summary>
+    /// Represents a Pipe component in the BWR simulation.
+    /// </summary>
+    public class Pipe : Component
+    {
+        public double Length { get; private set; } // Length of the pipe (m)
+        public double Diameter { get; private set; } // Inner diameter of the pipe (m)
+        public double Roughness { get; private set; } = 0.000045; // Example roughness for steel (m)
+
+        // Publicly expose ports for easier named access if needed
+        public FluidPort Inlet => GetFluidPortById("Inlet");
+        public FluidPort Outlet => GetFluidPortById("Outlet");
+
+        public Pipe(string id, string name, double length, double diameter)
+            : base(id, name, $"A pipe of length {length}m and diameter {diameter}m.", 4) // Priority 4
+        {
+            Length = length;
+            Diameter = diameter;
+
+            // Use descriptive IDs for ports
+            AddFluidPort(new FluidPort("Inlet"));
+            AddFluidPort(new FluidPort("Outlet"));
+        }
+
+        public override void Update(double deltaTime)
+        {
+            // Read properties from the inlet port (which should have been updated by upstream component)
+            double inletFlowRate = Inlet.FlowRate;
+            double inletPressure = Inlet.Pressure;
+            double inletTemperature = Inlet.Temperature;
+
+            // Simple pressure drop calculation (e.g., Darcy-Weisbach or simpler linear drop)
+            // This is very simplified. For high fidelity, you'd need fluid properties (density, viscosity).
+            double pressureDrop = 0.0;
+            if (inletFlowRate > 0)
+            {
+                // A very basic linear pressure drop for demonstration
+                pressureDrop = (inletFlowRate * Length * 10.0) / (Diameter * Diameter);
+            }
+
+            // Simple heat loss/gain (e.g., based on ambient temperature, not modeled here)
+            double outletTemperature = inletTemperature; // Assuming no heat loss for now
+
+            // Update outlet port properties
+            Outlet.FlowRate = inletFlowRate;
+            Outlet.Pressure = inletPressure - pressureDrop;
+            Outlet.Temperature = outletTemperature;
+
+            // Mirror values to connected ports
+            Outlet.MirrorToConnectedPort();
+
+            Console.WriteLine($"{Name} ({ID}) - Flow: {inletFlowRate:F2} kg/s, Pressure Drop: {pressureDrop:F2} Pa");
+        }
+    }
+}