Exhaust Gas-Superstructure Interactions Onboard Ships with Side Exhaust

The interference of exhaust gas on the air intake for ventilation system often results in poor Indoor Air Quality (IAQ) on board ships. Low IAQ will adversely affect the performance of human and electronic equipment on board ships and will decrease the performance of the ship's intended capabil...

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Main Authors: Hayati, Abdullah, Arman, Ariffin, Mohammad Yusri, Hassan
Format: Article
Published: ENCON 2013 2013
Subjects:
Online Access:http://ir.unimas.my/id/eprint/8171/
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author Hayati, Abdullah
Arman, Ariffin
Mohammad Yusri, Hassan
author_facet Hayati, Abdullah
Arman, Ariffin
Mohammad Yusri, Hassan
author_sort Hayati, Abdullah
building UNIMAS Institutional Repository
collection Online Access
description The interference of exhaust gas on the air intake for ventilation system often results in poor Indoor Air Quality (IAQ) on board ships. Low IAQ will adversely affect the performance of human and electronic equipment on board ships and will decrease the performance of the ship's intended capability. Most studies on exhaust gas interference are for ships with the exhaust funnel located on top but current ship design also includes those with side exhaust. This paper presents the results of a study on the interaction between exhaust gas and the ship's superstructure by the determination of the pressure coefficient obtained through wind tunnel testing for ships with side exhaust. A model of an actual ship with side exhaust with a scale of 1:100 was tested in a low speed wind tunnel and pressure coefficients were obtained for various head wind speeds. The results are presented in graphical form and are depicted by the graphs of pressure coefficient versus yaw angle. Preliminary results show that the area around the superstructure near the intake of the ventilation system has low pressure compared to the exhaust discharge. This could lead to the interference of exhaust gas on the intake of the ventilation system and could affect the performance of indoor air quality and electronic equipment on board ships with side exhaust.
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institution Universiti Malaysia Sarawak
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publishDate 2013
publisher ENCON 2013
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spelling unimas-81712015-07-02T06:38:42Z http://ir.unimas.my/id/eprint/8171/ Exhaust Gas-Superstructure Interactions Onboard Ships with Side Exhaust Hayati, Abdullah Arman, Ariffin Mohammad Yusri, Hassan Q Science (General) The interference of exhaust gas on the air intake for ventilation system often results in poor Indoor Air Quality (IAQ) on board ships. Low IAQ will adversely affect the performance of human and electronic equipment on board ships and will decrease the performance of the ship's intended capability. Most studies on exhaust gas interference are for ships with the exhaust funnel located on top but current ship design also includes those with side exhaust. This paper presents the results of a study on the interaction between exhaust gas and the ship's superstructure by the determination of the pressure coefficient obtained through wind tunnel testing for ships with side exhaust. A model of an actual ship with side exhaust with a scale of 1:100 was tested in a low speed wind tunnel and pressure coefficients were obtained for various head wind speeds. The results are presented in graphical form and are depicted by the graphs of pressure coefficient versus yaw angle. Preliminary results show that the area around the superstructure near the intake of the ventilation system has low pressure compared to the exhaust discharge. This could lead to the interference of exhaust gas on the intake of the ventilation system and could affect the performance of indoor air quality and electronic equipment on board ships with side exhaust. ENCON 2013 2013 Article PeerReviewed Hayati, Abdullah and Arman, Ariffin and Mohammad Yusri, Hassan (2013) Exhaust Gas-Superstructure Interactions Onboard Ships with Side Exhaust. ENCON 2013. http://rpsonline.com.sg/proceedings/9789810760595/html/032.xml doi: 10.3850/978-981-07-6059-5_032
spellingShingle Q Science (General)
Hayati, Abdullah
Arman, Ariffin
Mohammad Yusri, Hassan
Exhaust Gas-Superstructure Interactions Onboard Ships with Side Exhaust
title Exhaust Gas-Superstructure Interactions Onboard Ships with Side Exhaust
title_full Exhaust Gas-Superstructure Interactions Onboard Ships with Side Exhaust
title_fullStr Exhaust Gas-Superstructure Interactions Onboard Ships with Side Exhaust
title_full_unstemmed Exhaust Gas-Superstructure Interactions Onboard Ships with Side Exhaust
title_short Exhaust Gas-Superstructure Interactions Onboard Ships with Side Exhaust
title_sort exhaust gas-superstructure interactions onboard ships with side exhaust
topic Q Science (General)
url http://ir.unimas.my/id/eprint/8171/
http://ir.unimas.my/id/eprint/8171/
http://ir.unimas.my/id/eprint/8171/