Engr. Shafiul Bari
Marine Engineering Expert
Shafiul Bari is a seasoned Marine Engineer with extensive experience in ship design, maintenance, and marine propulsion systems. With a deep technical knowledge of ship engineering and a passion for advancing maritime technology, Shafiul shares practical insights and expert advice to help marine professionals and enthusiasts better understand the complexities of ship systems. Through his website, he aims to bridge the gap between technical theory and real-world application, fostering a community of informed and skilled maritime engineers. When not immersed in ship engines and technical manuals, Shafiul enjoys exploring the latest innovations in marine technology and mentoring aspiring marine engineers.
Articles by Engr. Shafiul Bari
BDN
.bdn regulation A Bunker Delivery Note (BDN) is the standard document required by Annex VI of MARPOL, which contains information on fuel oil delivery. It is the responsibility of the fuel oil suppliers to provide the bunker delivery note, which … Continue reading →
Bunkering
.bunkering regulation SS600 SS600 is Singapore standard code of practice for bunkering. Every ship for bunkering operation must adhere to SS600, to minimize the bunker disputes. SS600 includes Steps There are 4 main steps to follow Opening tank gauging: Delivery … Continue reading →
Fuel oil properties:
.fo properties .fop .fuel oil properties .fueloil properties FO properties, Consequences & Adjustments to use the fuel Density: 991 kg/m3 Consequences: Adjustment: Viscosity: 380 cSt Consequences Adjustment: Water: Max 0.5% Consequences: Adjustment: Carbon residue: 18% of total volume Consequences: Adjustment: … Continue reading →
Thrust Bearing:
.thrust bearing Article link: https://www.marinesite.info/2013/12/thrust-bearing.html
Bottom end bolt:
.bottom end bolt .bebf .cpbf .crank pin bolt .crbf .connecting rod bolt failure .con rod bolt .bolt failure a) Causes of bottom end bolt failures: » Stress concentration in way of change of section, damaged fillet, damaged surface finish » … Continue reading →
Crankshaft
.crankshaft failure Factors contributing to failure on a crankshaft Cracks Crankshaft corrosion attack Crankshaft twisting or slipping Misalignment of crankshaft Checking crankshaft deflection/alignment .crankshaft deflection .deflection .cd .csd We take crankshaft deflection to make sure that the crank runs and … Continue reading →
SOLAS Reg. for c/c Relief v/v
Crankcase Relief Valve Installation and Placement The number and placement of relief valves depend on engine size: → Engines with cylinders 200-250 mm bore: At least two valves, located at or near crankcase ends. → Engines with cylinders 250-300 mm … Continue reading →
Crankcase
.crankcase explosion .crank case explosion .cce Causes leading to crankcase explosion The causes of crank case explosion is the hot spot. Sources of hot spot: 1. bearings: ·Main bearings.· Bottom end bearings.· Crosshead- bearings, guide shoes/slides.· Gudgeon pin bearings. (4 … Continue reading →
Soot fire:
.soot fire .sf b) Indication of soot fire: c) Soot: Comprises of ‘unburnable’ components in the fuel oil: Factor of soot fire: Prevention of EGE/EGB fire/Soot fire: d) Necessary actions for soot /EGE fire: e) EGE dry running: .ege dry … Continue reading →
Scavenge Fire:
.scavenge fire .sf .scav fire Various factors can cause scavenge fire. These are: CAUSES OF SCAVENGE FIRE: b) Symptoms/indication: Indications of scavenge fire are: c) Action to be taken: As EOW: chief engineer will: Inspection Criteria after extinguishing fire: Prevention: … Continue reading →