/// <summary>多数室テスト</summary> /// <remarks> /// 東西2室で壁・窓表面の相互放射を考慮した計算を行う。 /// 東側は南北で2ゾーンに分割する。 /// 壁体は全て200mmのコンクリートとする。 /// 幅×奥行き×高さ = 8m×7m×3mとする。 /// 地面(床)は考慮しない。 /// /// N1 N2 /// ------------------------- /// | | | /// | | znE1 | E1 /// | | | /// W | znW |- - - - - -| /// | | | /// | | znE2 | E2 /// | | | /// ----+++++---------------- /// S1 S2 /// /// </remarks> private static void multiRoomTest() { const double TIME_STEP = 3600; const double INIT_TEMP = 15; const double H_GAIN = 0; const int ITER_NUM = 100; const double W_AI = 8; const double E_AI = 9.3; const double W_AO = 20; const double E_AO = 23; bool USE_TUBE = false; //モデル作成処理********************************************************* //屋外 Outdoor outDoor = new Outdoor(); Sun sun = new Sun(Sun.City.Tokyo); sun.Update(new DateTime(2001, 1, 1, 0, 0, 0)); outDoor.Sun = sun; //壁リスト Wall[] walls = new Wall[12]; //ゾーンを作成 Zone znW = new Zone(); znW.Volume = 7 * 4 * 3; znW.SensibleHeatCapacity = znW.Volume * 12000;//単位容積あたり12kJ Zone znE1 = new Zone(); znE1.Volume = 3.5 * 4 * 3; znE1.SensibleHeatCapacity = znE1.Volume * 12000;//単位容積あたり12kJ Zone znE2 = new Zone(); znE2.Volume = 3.5 * 4 * 3; znE2.SensibleHeatCapacity = znE2.Volume * 12000;//単位容積あたり12kJ znW.TimeStep = znE1.TimeStep = znE2.TimeStep = TIME_STEP; //壁構成を作成(コンクリート) WallLayers layers; WallLayers.Layer layer; layers = new WallLayers(); layer = new WallLayers.Layer(new WallMaterial("コンクリート", 1.4, 1934), 0.150, 2); layers.AddLayer(layer); //西外壁 walls[0] = new Wall(layers); walls[0].SurfaceArea = 7 * 3; WallSurface ews = walls[0].GetSurface(true); WallSurface iws = walls[0].GetSurface(false); ews.FilmCoefficient = W_AO; iws.FilmCoefficient = W_AI; walls[0].SetIncline(new Incline(Incline.Orientation.W, 0.5 * Math.PI), true); znW.AddSurface(iws); outDoor.AddWallSurface(ews); //東外壁1 walls[1] = new Wall(layers); walls[1].SurfaceArea = 3.5 * 3; ews = walls[1].GetSurface(true); iws = walls[1].GetSurface(false); ews.FilmCoefficient = E_AO; iws.FilmCoefficient = E_AI; walls[1].SetIncline(new Incline(Incline.Orientation.E, 0.5 * Math.PI), true); znE1.AddSurface(iws); outDoor.AddWallSurface(ews); //東外壁2 walls[2] = new Wall(layers); walls[2].SurfaceArea = 3.5 * 3; ews = walls[2].GetSurface(true); iws = walls[2].GetSurface(false); ews.FilmCoefficient = E_AO; iws.FilmCoefficient = E_AI; walls[2].SetIncline(new Incline(Incline.Orientation.E, 0.5 * Math.PI), true); znE2.AddSurface(iws); outDoor.AddWallSurface(ews); //北外壁1 walls[3] = new Wall(layers); walls[3].SurfaceArea = 4 * 3; ews = walls[3].GetSurface(true); iws = walls[3].GetSurface(false); ews.FilmCoefficient = W_AO; iws.FilmCoefficient = W_AI; walls[3].SetIncline(new Incline(Incline.Orientation.N, 0.5 * Math.PI), true); znW.AddSurface(iws); outDoor.AddWallSurface(ews); //北外壁2 walls[4] = new Wall(layers); walls[4].SurfaceArea = 4 * 3; ews = walls[4].GetSurface(true); iws = walls[4].GetSurface(false); ews.FilmCoefficient = E_AO; iws.FilmCoefficient = E_AI; walls[4].SetIncline(new Incline(Incline.Orientation.N, 0.5 * Math.PI), true); znE1.AddSurface(iws); outDoor.AddWallSurface(ews); //南外壁1 walls[5] = new Wall(layers); walls[5].SurfaceArea = 4 * 3; ews = walls[5].GetSurface(true); iws = walls[5].GetSurface(false); ews.FilmCoefficient = W_AO; iws.FilmCoefficient = W_AI; walls[5].SetIncline(new Incline(Incline.Orientation.S, 0.5 * Math.PI), true); znW.AddSurface(iws); outDoor.AddWallSurface(ews); //南外壁2 walls[6] = new Wall(layers); walls[6].SurfaceArea = 4 * 3; ews = walls[6].GetSurface(true); iws = walls[6].GetSurface(false); ews.FilmCoefficient = E_AO; iws.FilmCoefficient = E_AI; walls[6].SetIncline(new Incline(Incline.Orientation.S, 0.5 * Math.PI), true); znE2.AddSurface(iws); outDoor.AddWallSurface(ews); //屋根1 walls[7] = new Wall(layers); walls[7].SurfaceArea = 4 * 7; ews = walls[7].GetSurface(true); iws = walls[7].GetSurface(false); ews.FilmCoefficient = W_AO; iws.FilmCoefficient = W_AI; walls[7].SetIncline(new Incline(Incline.Orientation.N, 0), true); znW.AddSurface(iws); outDoor.AddWallSurface(ews); //屋根2 walls[8] = new Wall(layers); walls[8].SurfaceArea = 4 * 3.5; ews = walls[8].GetSurface(true); iws = walls[8].GetSurface(false); ews.FilmCoefficient = E_AO; iws.FilmCoefficient = E_AI; walls[8].SetIncline(new Incline(Incline.Orientation.N, 0), true); znE1.AddSurface(iws); outDoor.AddWallSurface(ews); //屋根3 walls[9] = new Wall(layers); walls[9].SurfaceArea = 4 * 3.5; ews = walls[9].GetSurface(true); iws = walls[9].GetSurface(false); ews.FilmCoefficient = E_AO; iws.FilmCoefficient = E_AI; walls[9].SetIncline(new Incline(Incline.Orientation.N, 0), true); znE2.AddSurface(iws); outDoor.AddWallSurface(ews); //内壁1 walls[10] = new Wall(layers); walls[10].SurfaceArea = 7 * 3.5; ews = walls[10].GetSurface(true); iws = walls[10].GetSurface(false); ews.FilmCoefficient = E_AI; iws.FilmCoefficient = W_AI; znW.AddSurface(iws); znE1.AddSurface(ews); //内壁2 walls[11] = new Wall(layers); walls[11].SurfaceArea = 7 * 3.5; ews = walls[11].GetSurface(true); iws = walls[11].GetSurface(false); ews.FilmCoefficient = E_AI; iws.FilmCoefficient = W_AI; znW.AddSurface(iws); znE2.AddSurface(ews); //南窓 GlassPanes gPanes = new GlassPanes(new GlassPanes.Pane[] { new GlassPanes.Pane(GlassPanes.Pane.PredifinedGlassPane.TransparentGlass03mm), new GlassPanes.Pane(GlassPanes.Pane.PredifinedGlassPane.HeatAbsorbingGlass03mm) }); //外側ブラインド GlassPanes gPanesWithBlind = new GlassPanes(new GlassPanes.Pane[] { new GlassPanes.Pane(GlassPanes.Pane.PredifinedGlassPane.TransparentGlass03mm), new GlassPanes.Pane(GlassPanes.Pane.PredifinedGlassPane.HeatAbsorbingGlass03mm), new GlassPanes.Pane(0.05, 0.35, 9999) }); Window window = new Window(gPanes, new Incline(Incline.Orientation.S, 0.5 * Math.PI)); window.SurfaceArea = 1 * 3; WindowSurface ws1 = window.GetSurface(true); WindowSurface ws2 = window.GetSurface(false); ws1.LongWaveEmissivity = 0.7; ws1.FilmCoefficient = W_AO; ws2.FilmCoefficient = W_AI; znW.AddWindow(window); outDoor.AddWindow(window); /*//debug for (int i = 0; i < walls.Length; i++) { walls[i].GetSurface(true).ConvectiveRate = 0; walls[i].GetSurface(false).ConvectiveRate = 0; } //window.GetSurface(false).ConvectiveRate = 0; //debug*/ //発熱体***************************************************************** znW.AddHeatGain(new ConstantHeatGain(0, H_GAIN, 0)); //制御******************************************************************* znE1.ControlDrybulbTemperature = false; znE1.DrybulbTemperatureSetPoint = 20; znE2.ControlDrybulbTemperature = false; znE2.DrybulbTemperatureSetPoint = 20; znW.ControlDrybulbTemperature = false; znW.DrybulbTemperatureSetPoint = 20; //外界条件設定*********************************************************** outDoor.AirState = new MoistAir(30, 0.020); outDoor.SetWallSurfaceBoundaryState(); //天井に冷水配管を設置 if (USE_TUBE) { Tube tube = new Tube(0.999, 0.275, 4186); tube.SetFlowRate(0.222); tube.FluidTemperature = 10; walls[7].AddTube(tube, 0); walls[8].AddTube(tube, 0); walls[9].AddTube(tube, 0); } //室温・壁温初期化******************************************************* for (int i = 0; i < walls.Length; i++) walls[i].InitializeTemperature(INIT_TEMP); znE1.InitializeAirState(INIT_TEMP, 0.015); znE2.InitializeAirState(INIT_TEMP, 0.015); znW.InitializeAirState(INIT_TEMP, 0.015); //多数室オブジェクトを作成・初期化 Room[] rooms = new Room[2]; rooms[0] = new Room(new Zone[] { znW }); rooms[1] = new Room(new Zone[] { znE1, znE2 }); MultiRoom mRoom = new MultiRoom(rooms); mRoom.SetTimeStep(TIME_STEP); //初期化 mRoom.Initialize(); //室間換気設定*********************************************************** znW.VentilationVolume = znW.Volume * 0; znE1.VentilationVolume = znE1.Volume * 0; znE2.VentilationVolume = znE2.Volume * 0; znW.VentilationAirState = outDoor.AirState; znE1.VentilationAirState = outDoor.AirState; znE2.VentilationAirState = outDoor.AirState; //mRoom.SetAirFlow(znE1, znE2, 10); //mRoom.SetAirFlow(znE2, znW, 10); //mRoom.SetAirFlow(znW, znE1, 10); //熱収支確認用変数******************************************************* double heatTransferToExWall = 0; double heatTransferToTube = 0; double heatTransferToWindow = 0; double oaLoad = 0; //外気データ読み込み***************************************************** StreamReader sReader = new StreamReader("BESTestWeather.csv"); sReader.ReadLine(); //室温更新テスト********************************************************* for (int i = 0; i < ITER_NUM; i++) { //外気条件設定 string[] wData = sReader.ReadLine().Split(','); outDoor.AirState = new MoistAir(double.Parse(wData[2]), double.Parse(wData[3])); sun.DirectNormalRadiation = double.Parse(wData[4]); sun.GlobalHorizontalRadiation = double.Parse(wData[5]); sun.DiffuseHorizontalRadiation = double.Parse(wData[6]); outDoor.NocturnalRadiation = double.Parse(wData[8]); //12~13時は外側ブラインドを利用 if (sun.CurrentDateTime.Hour == 12 && sun.CurrentDateTime.Minute == 0) window.Initialize(gPanesWithBlind); if (sun.CurrentDateTime.Hour == 13 && sun.CurrentDateTime.Minute == 0) window.Initialize(gPanes); Console.WriteLine( znW.CurrentDrybulbTemperature.ToString("F3").PadLeft(5) + " | " + znE1.CurrentDrybulbTemperature.ToString("F3").PadLeft(5) + " | " + znE2.CurrentDrybulbTemperature.ToString("F3").PadLeft(5) + " | " + znW.CurrentSensibleHeatLoad.ToString("F2").PadLeft(5) + " | " + znE1.CurrentSensibleHeatLoad.ToString("F2").PadLeft(5) + " | " + znE2.CurrentSensibleHeatLoad.ToString("F2").PadLeft(5) + " | " + walls[0].GetWallTemprature(true).ToString("F2").PadLeft(5) + " | " + walls[0].GetWallTemprature(false).ToString("F2").PadLeft(5) + " | " ); //壁体状態更新 for (int j = 0; j < walls.Length; j++) walls[j].Update(); //外気条件を壁に設定 outDoor.SetWallSurfaceBoundaryState(); //室状態更新 mRoom.UpdateRoomTemperatures(); mRoom.UpdateRoomHumidities(); //壁体への熱移動量を積算 for (int j = 0; j < 10; j++) heatTransferToExWall += walls[j].GetHeatTransfer(true); //窓面への熱移動量を積算 heatTransferToWindow += window.AbsorbedHeatGain + window.TransferHeatGain + window.TransmissionHeatGain; heatTransferToWindow -= rooms[0].TransmissionHeatLossFromWindow + rooms[1].TransmissionHeatLossFromWindow; //チューブへの熱移動量を積算 heatTransferToTube += walls[7].GetHeatTransferToTube(0) + walls[8].GetHeatTransferToTube(0) + walls[9].GetHeatTransferToTube(0); //外気負荷を計算 Zone[] zns = new Zone[] { znE1, znE2, znW }; for (int j = 0; j < zns.Length; j++) { if (zns[j].VentilationVolume != 0) { double airDS = 1d / (MoistAir.GetAirStateFromDBHR(zns[j].CurrentDrybulbTemperature, zns[j].CurrentHumidityRatio, MoistAir.Property.SpecificVolume)); double cpAir = MoistAir.GetSpecificHeat(zns[j].CurrentHumidityRatio); oaLoad += zns[j].VentilationVolume * airDS * cpAir * (zns[j].VentilationAirState.DryBulbTemperature - zns[j].CurrentDrybulbTemperature); } } //日時更新 sun.Update(sun.CurrentDateTime.AddSeconds(TIME_STEP)); } sReader.Close(); //熱収支を書き出し //屋外から壁体への熱移動量[MJ] heatTransferToExWall *= TIME_STEP / 1000000d; //窓面への熱移動量[MJ] heatTransferToWindow *= TIME_STEP / 1000000d; //壁体からチューブへの熱移動量[MJ] heatTransferToTube *= TIME_STEP / 1000000d; //外気負荷[MJ] oaLoad *= TIME_STEP / 1000000d / 3.6; //壁体蓄熱量[MJ] double wallHeatStorage = 0; for (int i = 0; i < walls.Length; i++) wallHeatStorage += walls[i].GetHeatStorage(INIT_TEMP); wallHeatStorage /= 1000d; //室蓄熱量[MJ] double zoneHeatStorage = (znE1.GetHeatStorage(INIT_TEMP) + znE2.GetHeatStorage(INIT_TEMP) + znW.GetHeatStorage(INIT_TEMP)) / 1000d; //発熱量 double heatGain = (H_GAIN * TIME_STEP * ITER_NUM) / 1000000; //書き出し Console.WriteLine("壁体への熱移動[MJ] | 窓面への熱移動[MJ] | 壁体の蓄熱量[MJ] | 室の蓄熱量[MJ] | 発熱量[MJ] | チューブへの熱移動[MJ] | 外気負荷[MJ]"); Console.WriteLine(heatTransferToExWall.ToString("F2") + " | " + heatTransferToWindow.ToString("F2") + " | " + wallHeatStorage.ToString("F2") + " | " + zoneHeatStorage.ToString("F2") + " | " + heatGain + " | " + heatTransferToTube.ToString("F2") + " | " + oaLoad.ToString("F2")); Console.WriteLine("熱収支[MJ] = " + (heatTransferToExWall + heatTransferToWindow - heatTransferToTube - wallHeatStorage - zoneHeatStorage + heatGain + oaLoad)); Console.Read(); }
/// <summary>壁熱貫流テスト(潜熱蓄熱材)</summary> private static void wallHeatTransferTest3() { //初期温度 const double INIT_TEMP = 35; //壁層を作成 WallLayers wl = new WallLayers(); wl.AddLayer(new WallLayers.Layer(new WallMaterial(WallMaterial.PredefinedMaterials.FrexibleBoard), 0.0165)); wl.AddLayer(new WallLayers.Layer(new WallMaterial("ダミー材料", 1, 1), 0.02)); wl.AddLayer(new WallLayers.Layer(new WallMaterial("ダミー材料", 1, 1), 0.02)); wl.AddLayer(new WallLayers.Layer(new WallMaterial(WallMaterial.PredefinedMaterials.ExtrudedPolystyreneFoam_3), 0.02)); wl.AddLayer(new WallLayers.Layer(new WallMaterial(WallMaterial.PredefinedMaterials.Plywood), 0.009)); wl.AddLayer(new WallLayers.Layer(new WallMaterial(WallMaterial.PredefinedMaterials.AirGap), 0.015)); wl.AddLayer(new WallLayers.Layer(new WallMaterial(WallMaterial.PredefinedMaterials.Plywood), 0.009)); //壁体を作成 Wall wall = new Wall(wl); wall.TimeStep = 1200; wall.AirTemperature1 = 20; wall.AirTemperature2 = 20; wall.SurfaceArea = 6.48; //潜熱蓄熱材1を作成して設定 LatentHeatStorageMaterial material1; material1 = new LatentHeatStorageMaterial(19, new WallMaterial("パッシブ・スミターマル(凝固)", 0.19, 3.6 * 1400)); material1.AddMaterial(23, new WallMaterial("パッシブ・スミターマル(遷移)", (0.19 + 0.22) / 2d, 15.1 * 1400)); material1.AddMaterial(100, new WallMaterial("パッシブ・スミターマル(融解)", 0.22, 3.6 * 1400)); material1.Initialize(INIT_TEMP); wall.SetLatentHeatStorageMaterial(1, material1); //潜熱蓄熱材2を作成して設定 LatentHeatStorageMaterial material2; material2 = new LatentHeatStorageMaterial(30, new WallMaterial("スミターマル(凝固)", 0.19, 3.6 * 1390)); material2.AddMaterial(32, new WallMaterial("スミターマル(遷移)", (0.19 + 0.22) / 2d, 63.25 * 1400)); material2.AddMaterial(100, new WallMaterial("スミターマル(融解)", 0.22, 3.5 * 1410)); material2.Initialize(INIT_TEMP); wall.SetLatentHeatStorageMaterial(2, material2); //潜熱蓄熱材の間に配管を埋設 Tube tube = new Tube(0.84, 0.346, 4186); wall.AddTube(tube, 1); tube.SetFlowRate(0); tube.FluidTemperature = 40; //壁体温度を初期化 wall.InitializeTemperature(INIT_TEMP); for (int i = 0; i < wall.Layers.LayerNumber; i++) Console.Write("温度" + i + ", "); Console.WriteLine("蓄熱量[kJ]"); for (int i = 0; i < 200; i++) { if (i == 100) { tube.SetFlowRate(0.54); //通水開始 wall.AirTemperature1 = 30; wall.AirTemperature2 = 30; } wall.Update(); double[] tmp = wall.GetTemperatures(); for (int j = 0; j < tmp.Length - 1; j++) Console.Write(((tmp[j] + tmp[j + 1]) / 2d).ToString("F1") + ", "); Console.Write(wall.GetHeatStorage(INIT_TEMP).ToString("F0")); Console.WriteLine(); } Console.Read(); }
/// <summary>壁熱貫流テスト(冷温水配管埋設)</summary> private static void wallHeatTransferTest2() { WallLayers wl = new WallLayers(); wl.AddLayer(new WallLayers.Layer(new WallMaterial(WallMaterial.PredefinedMaterials.FrexibleBoard), 0.0165)); wl.AddLayer(new WallLayers.Layer(new WallMaterial("水", 0.59, 4186), 0.02)); wl.AddLayer(new WallLayers.Layer(new WallMaterial("水", 0.59, 4186), 0.02)); wl.AddLayer(new WallLayers.Layer(new WallMaterial(WallMaterial.PredefinedMaterials.ExtrudedPolystyreneFoam_3), 0.02)); wl.AddLayer(new WallLayers.Layer(new WallMaterial(WallMaterial.PredefinedMaterials.Plywood), 0.009)); wl.AddLayer(new WallLayers.Layer(new WallMaterial(WallMaterial.PredefinedMaterials.AirGap), 0.015)); wl.AddLayer(new WallLayers.Layer(new WallMaterial(WallMaterial.PredefinedMaterials.Plywood), 0.009)); Wall wall = new Wall(wl); wall.TimeStep = 300; wall.AirTemperature1 = 20; wall.AirTemperature2 = 10; wall.SurfaceArea = 6.48; //配管を埋設 Tube tube = new Tube(0.84, 0.346, 4186); wall.AddTube(tube, 1); tube.SetFlowRate(0); //最初は流量0 tube.FluidTemperature = 30; wall.InitializeTemperature(20); //壁体温度を初期化 for (int i = 0; i < wall.Layers.LayerNumber; i++) Console.Write("温度" + i + ", "); Console.WriteLine("配管への熱移動量[W], 配管出口温度[C]"); for (int i = 0; i < 100; i++) { if (i == 50) tube.SetFlowRate(0.54); //通水開始 wall.Update(); double[] tmp = wall.GetTemperatures(); for (int j = 0; j < tmp.Length - 1; j++) Console.Write(((tmp[j] + tmp[j + 1]) / 2d).ToString("F1") + ", "); Console.Write(wall.GetHeatTransferToTube(1).ToString("F0") + ", " + tube.GetOutletFluidTemperature().ToString("F1")); Console.WriteLine(); } Console.Read(); }
/// <summary>壁層に配管を埋め込む</summary> /// <param name="tube">配管</param> /// <param name="index">壁層番号(壁体の分割数を加算した番号)</param> public void AddTube(Tube tube, uint index) { if (tubes.ContainsKey(index)) { tubes[index].FlowRateChangeEvent -= flowRateChangeEvent; } tubes[index] = tube; hasTubeFlowRateChanged = true; tubes[index].FlowRateChangeEvent += flowRateChangeEvent; }
/// <summary>Sample program calculating the unsteady heat conduction of wall with latent heat storage material</summary> private static void wallTest3() { //Initial temperature const double INIT_TEMP = 35; //Create an instance of WallLayers class WallLayers wl = new WallLayers(); wl.AddLayer(new WallLayers.Layer(new WallMaterial(WallMaterial.PredefinedMaterials.FrexibleBoard), 0.0165)); wl.AddLayer(new WallLayers.Layer(new WallMaterial("dummy", 1, 1), 0.02)); wl.AddLayer(new WallLayers.Layer(new WallMaterial("dummy", 1, 1), 0.02)); wl.AddLayer(new WallLayers.Layer(new WallMaterial(WallMaterial.PredefinedMaterials.ExtrudedPolystyreneFoam_3), 0.02)); wl.AddLayer(new WallLayers.Layer(new WallMaterial(WallMaterial.PredefinedMaterials.Plywood), 0.009)); wl.AddLayer(new WallLayers.Layer(new WallMaterial(WallMaterial.PredefinedMaterials.AirGap), 0.015)); wl.AddLayer(new WallLayers.Layer(new WallMaterial(WallMaterial.PredefinedMaterials.Plywood), 0.009)); //Create an instance of Wall class Wall wall = new Wall(wl); wall.TimeStep = 1200; wall.AirTemperature1 = 20; wall.AirTemperature2 = 20; wall.SurfaceArea = 6.48; //Create an instance of LatentHeatStorageMaterial class LatentHeatStorageMaterial pmc1; pmc1 = new LatentHeatStorageMaterial(19, new WallMaterial("PCM1 (Solid)", 0.19, 3.6 * 1400)); pmc1.AddMaterial(23, new WallMaterial("PCM1 (Two phase)", (0.19 + 0.22) / 2d, 15.1 * 1400)); pmc1.AddMaterial(100, new WallMaterial("PCM1 (Liquid)", 0.22, 3.6 * 1400)); pmc1.Initialize(INIT_TEMP); //Set PCM to second wall layer wall.SetLatentHeatStorageMaterial(1, pmc1); //Create an instance of LatentHeatStorageMaterial class LatentHeatStorageMaterial pcm2; pcm2 = new LatentHeatStorageMaterial(30, new WallMaterial("PCM2 (Solid)", 0.19, 3.6 * 1390)); pcm2.AddMaterial(32, new WallMaterial("PCM2 (Two phase)", (0.19 + 0.22) / 2d, 63.25 * 1400)); pcm2.AddMaterial(100, new WallMaterial("PCM2 (Liquid)", 0.22, 3.5 * 1410)); pcm2.Initialize(INIT_TEMP); //Set PCM to third wall layer wall.SetLatentHeatStorageMaterial(2, pcm2); //Install heating tube between PMCs Tube tube = new Tube(0.84, 0.346, 4186); wall.AddTube(tube, 1); tube.SetFlowRate(0); tube.FluidTemperature = 40; //Initialize wall temperature wall.InitializeTemperature(INIT_TEMP); for (int i = 0; i < wall.Layers.LayerNumber; i++) Console.Write("Temperature" + i + ", "); Console.WriteLine("Heat storage[kJ]"); for (int i = 0; i < 200; i++) { if (i == 100) { tube.SetFlowRate(0.54); //Start heating wall.AirTemperature1 = 30; wall.AirTemperature2 = 30; } wall.Update(); double[] tmp = wall.GetTemperatures(); for (int j = 0; j < tmp.Length - 1; j++) Console.Write(((tmp[j] + tmp[j + 1]) / 2d).ToString("F1") + ", "); Console.Write(wall.GetHeatStorage(INIT_TEMP).ToString("F0")); Console.WriteLine(); } Console.Read(); }
/// <summary>Sample program calculating the unsteady heat conduction of wall with heating tube</summary> private static void wallTest2() { WallLayers wl = new WallLayers(); wl.AddLayer(new WallLayers.Layer(new WallMaterial(WallMaterial.PredefinedMaterials.FrexibleBoard), 0.0165)); wl.AddLayer(new WallLayers.Layer(new WallMaterial("Water", 0.59, 4186), 0.02)); wl.AddLayer(new WallLayers.Layer(new WallMaterial("Water", 0.59, 4186), 0.02)); wl.AddLayer(new WallLayers.Layer(new WallMaterial(WallMaterial.PredefinedMaterials.ExtrudedPolystyreneFoam_3), 0.02)); wl.AddLayer(new WallLayers.Layer(new WallMaterial(WallMaterial.PredefinedMaterials.Plywood), 0.009)); wl.AddLayer(new WallLayers.Layer(new WallMaterial(WallMaterial.PredefinedMaterials.AirGap), 0.015)); wl.AddLayer(new WallLayers.Layer(new WallMaterial(WallMaterial.PredefinedMaterials.Plywood), 0.009)); Wall wall = new Wall(wl); wall.TimeStep = 300; wall.AirTemperature1 = 20; wall.AirTemperature2 = 10; wall.SurfaceArea = 6.48; Tube tube = new Tube(0.84, 0.346, 4186); //installing tube to wall wall.AddTube(tube, 1); tube.SetFlowRate(0); //initial flow rate is 0 kg/s tube.FluidTemperature = 30; wall.InitializeTemperature(20); //initialize temperature of the wall for (int i = 0; i < wall.Layers.LayerNumber; i++) Console.Write("temperature" + i + ", "); Console.WriteLine("heat transfer to the tube[W], outlet temperature of fluid[C]"); for (int i = 0; i < 100; i++) { if (i == 50) tube.SetFlowRate(0.54); //start heating wall.Update(); double[] tmp = wall.GetTemperatures(); for (int j = 0; j < tmp.Length - 1; j++) Console.Write(((tmp[j] + tmp[j + 1]) / 2d).ToString("F1") + ", "); Console.Write(wall.GetHeatTransferToTube(1).ToString("F0") + ", " + tube.GetOutletFluidTemperature().ToString("F1")); Console.WriteLine(); } Console.Read(); }