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warmth capacity in kg

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Julian Gegner 2022-11-08 22:23:56 +01:00
parent 9c9b5a394c
commit 352a0d531a
1 changed files with 4 additions and 4 deletions
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8
lib/models/EnergyBilanceModel.dart
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@ -13,8 +13,8 @@ class EnergyBilanceModel extends ChangeNotifier {
final double _gravity = 9.81; //in m/s^2
final double _waterHeatCapacity = 4.181; //J / (g * C°)
final double _ironHeatCapacity = 0.439; //in J / (g * C°)
final double _waterHeatCapacity = 4181; //J / (kg * C°)
final double _ironHeatCapacity = 439; //in J / (kg * C°)
double _waterTemparatureStart = 20; //in °C
final int _temparatureToBoilWater = 100; //in °C
@ -28,8 +28,8 @@ class EnergyBilanceModel extends ChangeNotifier {
double get potentialEnergy => _weight * _gravity * deltaHeight; //in Joule = m^2 kg/s^2
double get kineticEnergy => _weight * pow(deltaVelocity, 2) / 2;
double get amountOfBoilingWaterInL => (((potentialEnergy + kineticEnergy) / _waterHeatCapacity) / (_temparatureToBoilWater - _waterTemparatureStart)) / 1000; //in litre
double get amountOfGlowingIronInKg => (((potentialEnergy + kineticEnergy) / _ironHeatCapacity) / (_temparatureToMakeIronGlow - _ironTemparatureStart)) / 1000;
double get amountOfBoilingWaterInL => (((potentialEnergy + kineticEnergy) / _waterHeatCapacity) / (_temparatureToBoilWater - _waterTemparatureStart)); //in litre
double get amountOfGlowingIronInKg => (((potentialEnergy + kineticEnergy) / _ironHeatCapacity) / (_temparatureToMakeIronGlow - _ironTemparatureStart)); //in kg
void setStartVelocity(double v){
_startVelocity = v;