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Design and modeling of diesel engine spark arrestor with experimental verifications / Mohamed Mostafa Mohamed Farid Ammar ; Supervised Tarek Abdelsadek Osman , Waleed Mamdouh Elsallamy

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Mohamed Mostafa Mohamed Farid Ammar , 2016Description: 71 , 23 P. : charts , facsilimes ; 30cmOther title:
  • تصميم و نمذجة قابض الشرارة الخاص بمحركات الديزل بالتحقق التجريبى [Added title page title]
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Dissertation note: Thesis (M.Sc.) - Cairo University - Faculty of Engineering - Department of Mechanical Design and Production Summary: All diesel engines produce exhaust carbon particles. These particles are originated from the carbon deposition formed on the internal surfaces of the exhaust system and the engine. Then they may be expelled at high temperature to the atmosphere. Particles diameter larger than 0.58 mm and at temperature 649oC could ignite flammable materials upon contact, so spark arrestor plays critical role in impeding the embers emission as it is a device that arrests the embers and the sparks. The aim of this study is to make theoretical modeling and experimental verification to compare between two new models of diesel engine spark arrestors and a commercial spark arrestor in terms of the collection efficiency and acoustics. The sparks and embers which are produced from combustion sources could lead to fire and explosions as a result of ignition of flammable materials which are exposed to these emissions. There are many sources of combustion that produce embers such as internal combustion engines, wood burning stoves, steel mill, cement plant,.etc, so spark arrestor plays critical role in impeding the embers emission as it is a device that arrests the embers and the sparks. The aim of this study is to make theoretical modeling and experimental verification to compare between two new prototypes of diesel engine spark arrestor and a commercial spark arrestor in terms of collection efficiency, acoustics, pressure drop, and cost. COMSOL software using finite element is used to model the collection efficiency while SIDLAB using two port theory is used to model the acoustic characteristics. The two new prototypes A and B were manufactured and tested to verify experimentally the theoretical modeling through the different test rigs. Three different flow rates were selected for the experimental verifications
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Item type Current library Home library Call number Copy number Status Date due Barcode
Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.13.13.M.Sc.2016.Mo.D (Browse shelf(Opens below)) Not for loan 01010110069290000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.13.13.M.Sc.2016.Mo.D (Browse shelf(Opens below)) 69290.CD Not for loan 01020110069290000

Thesis (M.Sc.) - Cairo University - Faculty of Engineering - Department of Mechanical Design and Production

All diesel engines produce exhaust carbon particles. These particles are originated from the carbon deposition formed on the internal surfaces of the exhaust system and the engine. Then they may be expelled at high temperature to the atmosphere. Particles diameter larger than 0.58 mm and at temperature 649oC could ignite flammable materials upon contact, so spark arrestor plays critical role in impeding the embers emission as it is a device that arrests the embers and the sparks. The aim of this study is to make theoretical modeling and experimental verification to compare between two new models of diesel engine spark arrestors and a commercial spark arrestor in terms of the collection efficiency and acoustics. The sparks and embers which are produced from combustion sources could lead to fire and explosions as a result of ignition of flammable materials which are exposed to these emissions. There are many sources of combustion that produce embers such as internal combustion engines, wood burning stoves, steel mill, cement plant,.etc, so spark arrestor plays critical role in impeding the embers emission as it is a device that arrests the embers and the sparks. The aim of this study is to make theoretical modeling and experimental verification to compare between two new prototypes of diesel engine spark arrestor and a commercial spark arrestor in terms of collection efficiency, acoustics, pressure drop, and cost. COMSOL software using finite element is used to model the collection efficiency while SIDLAB using two port theory is used to model the acoustic characteristics. The two new prototypes A and B were manufactured and tested to verify experimentally the theoretical modeling through the different test rigs. Three different flow rates were selected for the experimental verifications

Issued also as CD

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