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Heat flux measurements using thin film gauges in a production engine

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Abstract
Engine optimization requires a good understanding of the in-cylinder heat transfer which implies accurate heat transfer measurements. A better understanding will lead to improved heat transfer models for use in simulation tools. This work shows a new measurement technique based on Thin Film Gauges to measure the in-cylinder heat flux. In this work, an inlet valve of a Volvo 1.8l engine is instrumented with several Thin Film Gauge heat flux sensors. The implementation and sensor measurement technique is discussed. The TFG sensors are used to study the in-cylinder heat transfer phenomena under motored conditions and an initial fired operation measurement is also performed. The analysis makes use of calculating the convection coefficient which characterizes the convective heat transfer. The effect of the manifold air pressure and engine speed on the peak heat flux is studied in a systematic way using Analysis of Variance in motored operation. Furthermore, the spatial variation in heat flux measured with the Thin Film Gauge sensors is investigated.
Keywords
spark ignition, heat transfer, internal combustion engine

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Please use this url to cite or link to this publication:

Chicago
De Cuyper, Thomas, Stijn Broekaert, Kam Chana, Michel De Paepe, and Sebastian Verhelst. 2016. “Heat Flux Measurements Using Thin Film Gauges in a Production Engine.” In FISITA Automotive Conference 2016. FISITA.
APA
De Cuyper, T., Broekaert, S., Chana, K., De Paepe, M., & Verhelst, S. (2016). Heat flux measurements using thin film gauges in a production engine. FISITA automotive conference 2016. Presented at the FISITA automotive conference 2016, FISITA.
Vancouver
1.
De Cuyper T, Broekaert S, Chana K, De Paepe M, Verhelst S. Heat flux measurements using thin film gauges in a production engine. FISITA automotive conference 2016. FISITA; 2016.
MLA
De Cuyper, Thomas, Stijn Broekaert, Kam Chana, et al. “Heat Flux Measurements Using Thin Film Gauges in a Production Engine.” FISITA Automotive Conference 2016. FISITA, 2016. Print.
@inproceedings{8156877,
  abstract     = {Engine optimization requires a good understanding of the in-cylinder heat transfer which implies accurate heat transfer measurements. A better understanding will lead to improved heat transfer models for use in simulation tools. This work shows a new measurement technique based on Thin Film Gauges to measure the in-cylinder heat flux. In this work, an inlet valve of a Volvo 1.8l engine is instrumented with several Thin Film Gauge heat flux sensors. The implementation and sensor measurement technique is discussed. The TFG sensors are used to study the in-cylinder heat transfer phenomena under motored conditions and an initial fired operation measurement is also performed.  The analysis makes use of calculating the convection coefficient which characterizes the convective heat transfer. The effect of the manifold air pressure and engine speed on the peak heat flux is studied in a systematic way using Analysis of Variance in motored operation. Furthermore, the spatial variation in heat flux measured with the Thin Film Gauge sensors is investigated.},
  author       = {De Cuyper, Thomas and Broekaert, Stijn and Chana, Kam and De Paepe, Michel and Verhelst, Sebastian},
  booktitle    = {FISITA automotive conference 2016},
  keyword      = {spark ignition,heat transfer,internal combustion engine},
  language     = {eng},
  location     = {Busan, South Korea},
  pages        = {10},
  publisher    = {FISITA},
  title        = {Heat flux measurements using thin film gauges in a production engine},
  year         = {2016},
}