Noor Ain Ab Kadir

Universiti Teknologi Petronas

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Risza Rusli

Universiti Teknologi Petronas

Azizul Buang

Universiti Teknologi Petronas

Nur Shamimi Abdul Rahim

Noor Azurah Zaina Abidin

Universiti Teknologi Petronas

Cooperative Institutions

Universiti Teknologi Petronas

Petronas (Malaysia)

Universiti Brunei Darussalam

Selangor Business School

Tenaga Nasional Berhad (Malaysia)

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Investigation of the Explosion Behaviour Affected by the Changes of Particle Size

Procedia Engineering (2016)

Noor Ain Ab Kadir Risza Rusli Azizul Buang Nur Shamimi Abdul Rahim

Nanotechnology revolution seems to be one of the fastest growing industries and promising technologies in our society. Research has shown that nanoparticles exhibit certain unique qualities and properties which gave rise to its production and consumption along with its unknown health and environment effect. Nano-safety field has become one of the hot research topics that are crucial to being explored especially its imposing hazards and risk mitigation. As the study of the nanoscale particle is limited, thus, the study of the fire and explosion hazard of nanomaterials research on its potential to form explosible clouds is very crucial. Therefore, this paper is aim to investigate the explosion behaviour affected by the changes of particle size from micro to nano size particle. The study focuses on the turbulent kinetics energy flow of aluminium (Al) particles inside 20L explosion chamber. The study is developed using CFD ANSYS FLUENT simulation and validated using a set of pressure-time data. As a result, the obtained data is relevant to proof that the severity of explosion increasing with the decreasing of the Al particle size.

Dust explosion

Particle (ecology)

Nanomaterials

Steam explosion

10.1016/j.proeng.2016.06.618

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Citations (5)

CFD Study on Syngas Dispersion for Biomass Process Industry

Applied Mechanics and Materials (2014)

Noor Ain Ab Kadir Risza Rusli Noor Azurah Zaina Abidin

Synthesis gas (syngas) refers to a mixture primarily of hydrogen (H 2 ) and carbon monoxide (CO) which may also contain significant but lower concentrations of methane (CH 4 ) and carbon dioxide (CO 2 ) as well as smaller amounts of impurities such as chlorides, sulphur compounds, and heavier hydrocarbons. Available syngas dispersion study found in literatures mostly focused on pure gas dispersion specifically H 2 compared to the syngas mixture. It has been reported in most literatures that available commercial tools tend to give an overestimated results for these types of gas since it is more suitable for dense gas rather than the light gas. Therefore, the current study aim to investigate potential dispersion and evaluate the flammability of syngas release from biomass processes using CFD-FLUENT. Results of the mixture simulation is compared with the results obtain from simulation of pure H 2 release. When all components in syngas were release together, competition to gain oxygen increased resulting in lesser mixing of syngas-oxygen and increasing the concentration of the syngas mixture. As a result, H 2 in syngas concentration is higher compared to pure H 2 when accidental release from biomass process.

10.4028/www.scientific.net/amm.625.410

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