Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.enconman.2019.02.007
Title: Development of a compact and robust Polyoxymethylene Dimethyl Ether 3 reaction mechanism for internal combustion engines
Authors: Lin, Qinjie
Tay, Kun Lin 
Zhou, Dezhi 
Yang, Wenming 
Keywords: PODE3
Polyoxymethylene Dimethyl Ethers
Internal combustion engine
Chemical reaction mechanism
Primary reference fuel
Decoupling methodology
Issue Date: 1-Apr-2019
Publisher: PERGAMON-ELSEVIER SCIENCE LTD
Citation: Lin, Qinjie, Tay, Kun Lin, Zhou, Dezhi, Yang, Wenming (2019-04-01). Development of a compact and robust Polyoxymethylene Dimethyl Ether 3 reaction mechanism for internal combustion engines. ENERGY CONVERSION AND MANAGEMENT 185 : 35-43. ScholarBank@NUS Repository. https://doi.org/10.1016/j.enconman.2019.02.007
Abstract: © 2019 Elsevier Ltd With high oxygen content, Polyoxymethylene Dimethyl Ether 3 (PODE3) is a potential fuel additive to reduce soot emissions. However, reaction mechanisms to describe PODE3 combustion are not yet compact enough for 3-D numerical simulations. Therefore, the current work aims to develop a small yet reliable PODE3 reaction mechanism. Based on sensitivity analysis, the major reaction pathway is identified to construct the PODE3 sub-mechanism. Thereafter, it is integrated with a primary reference fuel (PRF) mechanism to create a PRF-PODE3 mechanism containing 61 species and 190 reactions. The major reaction pathway of the PODE3 sub-mechanism consists of only 11 species and 17 reactions. Furthermore, the new mechanism has been well validated with experimental results in terms of ignition delay times (rapid compression machine at pressures = 1.0 MPa and 1.5 MPa, equivalence ratios = 0.5, 1.0 and 1.5), laminar flame speeds (Pin = 1 atm, Tin = 408 K), flame species concentrations (pressure = 33.3 mbar, equivalence ratio = 1) and homogeneous charge compression ignition (HCCI) combustion (equivalence ratios = 0.18 and 0.34). Overall, this highly compact yet robust PRF-PODE3 mechanism is demonstrated to be suitable for internal combustion engine simulations. In addition, with good agreement in terms of fundamental combustion validations, the proposed PRF-PODE3 mechanism can reasonably be applied to other practical applications such as simulations in jet engines, pulse detonation engines, boilers and furnaces.
Source Title: ENERGY CONVERSION AND MANAGEMENT
URI: https://scholarbank.nus.edu.sg/handle/10635/168852
ISSN: 01968904
DOI: 10.1016/j.enconman.2019.02.007
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