/**
* Copyright (C) 2013 - 2015 the enviroCar community
*
* This file is part of the enviroCar app.
*
* The enviroCar app is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* The enviroCar app is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with the enviroCar app. If not, see http://www.gnu.org/licenses/.
*/
package org.envirocar.core.trackprocessing;
import org.envirocar.core.entity.Measurement;
import org.envirocar.core.exception.FuelConsumptionException;
import org.envirocar.core.exception.UnsupportedFuelTypeException;
/**
* TODO JavaDoc
*
* @author dewall
*/
public class GasolineConsumptionAlgorithm implements ConsumptionAlgorithm {
@Override
public double calculateConsumption(Measurement measurement) throws FuelConsumptionException,
UnsupportedFuelTypeException {
double maf;
if (measurement.hasProperty(Measurement.PropertyKey.MAF)) {
maf = measurement.getProperty(Measurement.PropertyKey.MAF);
} else if (measurement.hasProperty(Measurement.PropertyKey.CALCULATED_MAF)) {
maf = measurement.getProperty(Measurement.PropertyKey.CALCULATED_MAF);
} else throw new FuelConsumptionException("Get no MAF value");
double airFuelRatio = 14.7;
double fuelDensity = 745;
//convert from seconds to hour
return (maf / airFuelRatio) / fuelDensity * 3600;
}
@Override
public double calculateCO2FromConsumption(double consumption) throws FuelConsumptionException {
return consumption * 2.35; //kg/h
}
}