Spray-wall impingement of diesel-CNG dual fuel jet using schlieren imaging technique

Mhadi Abaker Ismael, Morgan Remond Heikal, Masri B. Baharom

Research output: Contribution to conferencePaper

Abstract

Natural gas is a low cost fuel with high availability in nature. However, it cannot be used by itself in conventional diesel engines due to its low flame speed and high ignition temperature. The addition of a secondary fuel to enhance the mixture formation and combustion process facilitate its wider use as an alternative fuel. An experimental study was performed to investigate the diesel-CNG dual fuel jet-wall impingement. A constant volume optical chamber was designed to facilitate maximum optical access for the study of the jet-wall impingement at different injection pressures, temperatures and injector-wall distances. The bottom plate of the test rig was made of aluminum (piston material) and it was heated up to 500 K at ambient pressure. An injector driver was used to control the single-hole nozzle diesel injector combined with a natural gas injector. The injection timing of both injectors was synchronized with a camera trigger. The jet-wall impingement of diesel and diesel-CNG dual fuel jets was recorded with a high speed camera using Schlieren imaging technique and associated image processing software. The measurements of the jet radial penetration were higher in diesel-CNG dual fuel while the jet height travel along were higher in the case of diesel single fuel.

Original languageEnglish
DOIs
Publication statusPublished - 1 Jan 2014
Event4th International Conference on Production, Energy and Reliability, ICPER 2014 - Malaysia, 3-5 June 2014, Kuala Lumpur, Malaysia
Duration: 3 Jun 20145 Jun 2014

Conference

Conference4th International Conference on Production, Energy and Reliability, ICPER 2014
CountryMalaysia
CityKuala Lumpur
Period3/06/145/06/14

Fingerprint

Jet fuel
Imaging techniques
Natural gas
Alternative fuels
High speed cameras
Aluminum
Pistons
Ignition
Diesel engines
Nozzles
Image processing
Cameras
Availability
Temperature
Costs

Cite this

Ismael, M. A., Heikal, M. R., & Baharom, M. B. (2014). Spray-wall impingement of diesel-CNG dual fuel jet using schlieren imaging technique. Paper presented at 4th International Conference on Production, Energy and Reliability, ICPER 2014, Kuala Lumpur, Malaysia. https://doi.org/10.1051/matecconf/20141302037
Ismael, Mhadi Abaker ; Heikal, Morgan Remond ; Baharom, Masri B. / Spray-wall impingement of diesel-CNG dual fuel jet using schlieren imaging technique. Paper presented at 4th International Conference on Production, Energy and Reliability, ICPER 2014, Kuala Lumpur, Malaysia.
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Ismael, MA, Heikal, MR & Baharom, MB 2014, 'Spray-wall impingement of diesel-CNG dual fuel jet using schlieren imaging technique' Paper presented at 4th International Conference on Production, Energy and Reliability, ICPER 2014, Kuala Lumpur, Malaysia, 3/06/14 - 5/06/14, . https://doi.org/10.1051/matecconf/20141302037

Spray-wall impingement of diesel-CNG dual fuel jet using schlieren imaging technique. / Ismael, Mhadi Abaker; Heikal, Morgan Remond; Baharom, Masri B.

2014. Paper presented at 4th International Conference on Production, Energy and Reliability, ICPER 2014, Kuala Lumpur, Malaysia.

Research output: Contribution to conferencePaper

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N2 - Natural gas is a low cost fuel with high availability in nature. However, it cannot be used by itself in conventional diesel engines due to its low flame speed and high ignition temperature. The addition of a secondary fuel to enhance the mixture formation and combustion process facilitate its wider use as an alternative fuel. An experimental study was performed to investigate the diesel-CNG dual fuel jet-wall impingement. A constant volume optical chamber was designed to facilitate maximum optical access for the study of the jet-wall impingement at different injection pressures, temperatures and injector-wall distances. The bottom plate of the test rig was made of aluminum (piston material) and it was heated up to 500 K at ambient pressure. An injector driver was used to control the single-hole nozzle diesel injector combined with a natural gas injector. The injection timing of both injectors was synchronized with a camera trigger. The jet-wall impingement of diesel and diesel-CNG dual fuel jets was recorded with a high speed camera using Schlieren imaging technique and associated image processing software. The measurements of the jet radial penetration were higher in diesel-CNG dual fuel while the jet height travel along were higher in the case of diesel single fuel.

AB - Natural gas is a low cost fuel with high availability in nature. However, it cannot be used by itself in conventional diesel engines due to its low flame speed and high ignition temperature. The addition of a secondary fuel to enhance the mixture formation and combustion process facilitate its wider use as an alternative fuel. An experimental study was performed to investigate the diesel-CNG dual fuel jet-wall impingement. A constant volume optical chamber was designed to facilitate maximum optical access for the study of the jet-wall impingement at different injection pressures, temperatures and injector-wall distances. The bottom plate of the test rig was made of aluminum (piston material) and it was heated up to 500 K at ambient pressure. An injector driver was used to control the single-hole nozzle diesel injector combined with a natural gas injector. The injection timing of both injectors was synchronized with a camera trigger. The jet-wall impingement of diesel and diesel-CNG dual fuel jets was recorded with a high speed camera using Schlieren imaging technique and associated image processing software. The measurements of the jet radial penetration were higher in diesel-CNG dual fuel while the jet height travel along were higher in the case of diesel single fuel.

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Ismael MA, Heikal MR, Baharom MB. Spray-wall impingement of diesel-CNG dual fuel jet using schlieren imaging technique. 2014. Paper presented at 4th International Conference on Production, Energy and Reliability, ICPER 2014, Kuala Lumpur, Malaysia. https://doi.org/10.1051/matecconf/20141302037