\(G=\sqrt{\ \frac{\left(x\right)^{2}\ S_{y}}{4\ T}}\ \) (2)
\(H=\sqrt{\frac{\lambda^{2}}{4\ S_{y}\text{\ T}}}=\sqrt{\ \frac{4\ {K_{S}}^{2}\ b^{2}}{b_{S}^{2}}\left(\frac{1}{4\ S_{y}\text{\ K\ b}}\ \right)\ }=\frac{K_{S}}{b_{S}}\sqrt{\frac{b}{S_{y}\text{\ K}}}\) (3)
\(\therefore\frac{V_{\text{CSD}}}{Q_{B}}=\int_{t_{0}}^{t_{f}}{\text{erfc}\left(\frac{G}{\sqrt{t}}\right)-e^{H^{2}t+2\ G\ H}\text{\ erfc}\left(\frac{G}{\sqrt{t}}+H\sqrt{t}\right)\text{\ dt}}\) (4)