A Predictive Real Time NOx Model for Conventional and Partially Premixed Diesel Combustion
(2006) In SAE technical paper series 115.- Abstract
- A previously presented robust and fast diagnostic NOx model was modified into a predictive model. This was done by using simple yet physically based models for fuel injection, ignition delay, premixed heat release rate and diffusion combustion heat release rate.
The model can be used both for traditional high-temperature combustion and for high-EGR, low-temperature combustion.
It was possible to maintain a high accuracy and calculation speed of the NOx model itself. The root mean square of the relative model error is 16% and the calculation speed is around one second on a PC. Combustion characteristics such as ignition delay, CA50 and the general shape of the heat release rate are well predicted by... (More) - A previously presented robust and fast diagnostic NOx model was modified into a predictive model. This was done by using simple yet physically based models for fuel injection, ignition delay, premixed heat release rate and diffusion combustion heat release rate.
The model can be used both for traditional high-temperature combustion and for high-EGR, low-temperature combustion.
It was possible to maintain a high accuracy and calculation speed of the NOx model itself. The root mean square of the relative model error is 16% and the calculation speed is around one second on a PC. Combustion characteristics such as ignition delay, CA50 and the general shape of the heat release rate are well predicted by the combustion model.
The model is aimed at real-time NOx calculation and optimization in a vehicle on the road. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/166093
- author
- Andersson, Magnus LU ; Johansson, Bengt LU ; Hultqvist, Anders LU and Nöhre, Christof
- organization
- publishing date
- 2006
- type
- Contribution to journal
- publication status
- published
- subject
- keywords
- Diesel, Low Temperature Combustion, NOx model, Partially Premixed Combustion
- in
- SAE technical paper series
- volume
- 115
- publisher
- Society of Automotive Engineers
- external identifiers
-
- scopus:85072442078
- ISSN
- 0148-7191
- language
- English
- LU publication?
- yes
- id
- 4404dbbd-af38-4de4-adfd-5c48656a664d (old id 166093)
- alternative location
- http://www.sae.org/technical/papers/2006-01-3329
- date added to LUP
- 2016-04-01 15:32:18
- date last changed
- 2022-03-22 04:55:53
@article{4404dbbd-af38-4de4-adfd-5c48656a664d,
abstract = {{A previously presented robust and fast diagnostic NOx model was modified into a predictive model. This was done by using simple yet physically based models for fuel injection, ignition delay, premixed heat release rate and diffusion combustion heat release rate. <br/><br>
<br/><br>
The model can be used both for traditional high-temperature combustion and for high-EGR, low-temperature combustion. <br/><br>
<br/><br>
It was possible to maintain a high accuracy and calculation speed of the NOx model itself. The root mean square of the relative model error is 16% and the calculation speed is around one second on a PC. Combustion characteristics such as ignition delay, CA50 and the general shape of the heat release rate are well predicted by the combustion model. <br/><br>
<br/><br>
The model is aimed at real-time NOx calculation and optimization in a vehicle on the road.}},
author = {{Andersson, Magnus and Johansson, Bengt and Hultqvist, Anders and Nöhre, Christof}},
issn = {{0148-7191}},
keywords = {{Diesel; Low Temperature Combustion; NOx model; Partially Premixed Combustion}},
language = {{eng}},
publisher = {{Society of Automotive Engineers}},
series = {{SAE technical paper series}},
title = {{A Predictive Real Time NOx Model for Conventional and Partially Premixed Diesel Combustion}},
url = {{https://lup.lub.lu.se/search/files/4414890/625889.pdf}},
volume = {{115}},
year = {{2006}},
}