termo.eos.alpha.commonaAlphaEquationsImplementation.MathiasAlpha Maven / Gradle / Ivy

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Thermodynamics properties and equilibria calculations for chemical engineering.

There is a newer version: 3.5

/*
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package termo.eos.alpha.commonaAlphaEquationsImplementation;

import termo.component.Compound;
import termo.eos.alpha.AlphaNames;
import termo.eos.alpha.CommonAlphaEquation;

/**
 *
 * @author Hugo
 */
public class MathiasAlpha extends CommonAlphaEquation{
    public MathiasAlpha(){
	setName(AlphaNames.Mathias);
	setR1(0.48508);
        setR2(1.55191);
        setR3(-0.15613);
        setR4(0);
	setX(-1);
        
        
        StringBuilder b = new StringBuilder();
        
        b.append("\\alpha(T) = \\left[ ");
        b.append("1+ m \\left(1-\\sqrt{T_r}\\right) ");
        b.append("-A (1-T_r)(0.7-T_r)");
        b.append("\\right]^2  ");
        b.append("\\\\");
        b.append(m());
        
        setEquation(b.toString());
    }
    
    @Override
    public int numberOfParameters() {
        return 1;
    }
    
    @Override
    public double getParameter(Compound component,int index) {
    	if(index == 0 ){
    		return component.getA_Mathias();
		}else{ 
			return 0;
		}
    }
    
    @Override
    public void setParameter(double paramValue, Compound component,int index) {
        if(index ==0){
            component.setA_Mathias(paramValue);
        }
    }

	@Override
	public String getParameterName(int index) {
		if(index == 0 ){
			return "A";
		}else{ 
			return null;
		}

	}
    
    
}