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

Figure 4

Resistance values evolution in time for different distances between electrodes-logarithmic scale (dilution ratio: 1/100; gas flow 1 L/min and gas temperature: ${240}^{°}\text{C}$, sensor temperature: 105–${125}^{°}\text{C}$).