Search Results - "Visser, Jaco H."

Dual mode NOx sensor: measuring both the accumulated amount and instantaneous level at low concentrations by Groß, Andrea, Beulertz, Gregor, Marr, Isabella, Kubinski, David J, Visser, Jaco H, Moos, Ralf

“…The accumulating-type (or integrating-type) NO(x) sensor principle offers two operation modes to measure low levels of NO(x): The direct signal gives the total…”
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MEMS for biofuel composition measurement based on thermal impedance spectroscopy by Ghaderi, Mohammadamir, Jiang, Bo, Bossche, Andre, Visser, Jaco H., Wolffenbuttel, Reinoud F.

“…Continuous monitoring of the composition of E85 biofuel is essential for a quick start and clean and efficient operation of Flex-Fuel Vehicles. The actual…”
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Optical properties of nitride-rich SiNx and its use in CMOS-compatible near-UV Bragg filter fabrication by Wolffenbuttel, Reinoud F., Winship, Declan, Qin, Yutao, Gianchandani, Yogesh, Bilby, David, Visser, Jaco H.

“…Nitride-rich silicon-nitride (SiNx) is being explored for its potential as a suitable optical material for use in microsystems operating in the near-UV…”
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Maintaining Transparency of a Heated MEMS Membrane for Enabling Long-Term Optical Measurements on Soot-Containing Exhaust Gas by Middelburg, Luke M, Ghaderi, Mohammadamir, Bilby, David, Visser, Jaco H, Zhang, Guo Qi, Lundgren, Per, Enoksson, Peter, Wolffenbuttel, Reinoud F

“…Ensuring optical transparency over a wide spectral range of a window with a view into the tailpipe of the combustion engine, while it is exposed to the harsh…”
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Self-Cleaning Micro-Windows for In-Tailpipe Optical Exhaust Gas Measurements by Ghaderi, Amir, Middelburg, Luke M., Bilby, David, Visser, Jaco H., Lundgren, Per, Enoksson, Peter, Wolffenbuttel, Reinoud F.

“…Exhaust gas measurement in the harsh environment of the tailpipe of a combustion engine by optical techniques is a highly robust technique, provided that…”
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Optical properties of nitride-rich SiN x and its use in CMOS-compatible near-UV Bragg filter fabrication by Wolffenbuttel, Reinoud F., Winship, Declan, Qin, Yutao, Gianchandani, Yogesh, Bilby, David, Visser, Jaco H.

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Exploring the response of a resistive soot sensor to AC electric excitation by Middelburg, L.M., Ghaderi, M., Bilby, D., Visser, J.H., Wolffenbuttel, R.F.

“…The resistive particulate matter sensor is a simple device that transduces the presence of soot through impedance change across inter-digital electrodes…”
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Multi-domain spectroscopy for composition measurement of water-containing bio-ethanol fuel by Middelburg, L.M., Graaf, G. de, Bossche, A., Bastemeijer, J., Ghaderi, M., Wolffenbuttel, F.S., Visser, J., Soltis, R., Wolffenbuttel, R.F.

“…Measuring the ethanol/water ratio in biofuel of high ethanol content, such as E85, is important when used in a flex-fuel engine. A capacitive probe is…”
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Microstructure for Thermal Impedance Spectroscopy for Biofuel Composition Measurement by Bo Jiang, Mohammadamir Ghaderi, Andre Bossche, Jaco H. Visser, Reinoud F. Wolffenbuttel

“…Thermal impedance spectroscopy has been investigated as a non-destructive technique to determine the composition of ternary mixtures of biofuels. The principle…”
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Impedance Spectroscopy for Enhanced Data Collection of Conductometric Soot Sensors by Middelburg, L.M., Ghaderi, M., Bilby, D., Visser, J.H., Zhang, G.Q., Wolffenbuttel, R.F.

“…Impedance spectroscopy in the frequency range 100 Hz to 10 kHz has been applied to the Inter-Digitated Electrode (IDE) structure that is conventionally…”
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Combining impedance spectroscopy with optical absorption spectroscopy in the UV for biofuel composition measurement by Middelburg, Luke, Ghaderi, Mohammadamir, Bossche, Andre, Bastemeijer, Jeroen, de Graaf, Ger, Wolffenbuttel, Reinoud, Soltis, Rick, Visser, Jaco

“…A capacitive probe is generally used in a flex-fuel engine for measuring the ethanol content in biofuel. However, the water content in biofuel of high ethanol…”
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