Detection of Soot Using a Resistivity Sensor Device Employing Thermophoretic Particle Deposition

Figure 7

Resistance of screen printed sensor during steady-state driving for the stationary motor, exhaust gas temperature ${210}^{°}\text{C}$ ($t=0$: start of EGR, sensor temperature ${180}^{°}\text{C}\text{;}$$t=600$ s—EGR disconnected, sensor temperature ${180}^{°}\text{C}\text{;}$$t=\mathrm{\hspace{0.17em}\hspace{0.17em}}900$ s, sensor temperature increases to ${750}^{°}\text{C}$).