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
Testing of Emergency Generator
The testing of ship’s emergency generator is done every week (as part of weekly checks) by running it unloaded to check if it starts on battery mode. The hydraulic start is done every month to ensure that it is working … Continue reading →
Emergency Generator SOLAS Requirement – memorization technique:
Emergency Power Source Types Generator Requirements Location and Installation Operational Capabilities Starting Arrangements Transitional Emergency Power Accumulator Battery as Emergency Source When used as the main emergency power source:
SOLAS REQUIREMENTS FOR EMERGENCY GENERATOR
.emergency generator .emcy generator .egr The requirement for emergency power onboard the ship is detailed in SOLAS chapter 2-1SOLAS CH: II-1 / Part : D / Reg : 43 & 44 The emergency source of electrical power may be either … Continue reading →
SOLAS
Chapter II-1 : Construction – Structure, subdivision and stability, machinery and electrical installations Part – E Additional requirements for periodically unattended machinery spaces UMS requirements: ums regulation .umsr .ums regulation .ums requirement SOLAS chapter 2-1 part E which is called … Continue reading →
Regulations:
Types of Survey: .types of survey .type of survey .tos Initial Survey: The initial survey is held before the ship is put in service or when a new device is added to an existing ship, and the relevant certificate is … Continue reading →
Difference Between Hard Iron and Soft Iron
Definition Hard Iron: Hard iron is iron that is difficult to demagnetize once magnetized. Soft Iron: Soft iron is iron that is easily magnetized and demagnetized with a small change of magnetic field. Material Hard Iron: Hard iron is a hard magnetic material. … Continue reading →
What is Soft Iron
.soft iron Soft iron is iron that is easily magnetized and demagnetized with a small change of magnetic field. Soft iron does not refer to the soft nature of the metal; in fact, soft iron is also a hard, metallic … Continue reading →
Non-destructive testing
.ndt test .non destructive testing Nondestructive testing (NDT) is the process of inspecting, testing, or evaluating materials without destroying the serviceability of the part Visual inspection inspect for high splatter, undercut, bad stop start point, surface crack. 1) Surface inspection … Continue reading →
Dezincification
.dezincification Dezincification selectively removes zinc from the brass alloy. It leaves behind a porous, copper-rich structure that has little mechanical strength. An in-service valve suffering from dezincification has a white powdery substance or mineral stains on its exterior surface. Reason … Continue reading →
Graphitization
.graphitization Graphitization is a microstructural change that occurs in carbon or low-alloy steels exposed to temperatures of about 425–550°C for several thousand hours. It causes the metal to weaken and be susceptible to cracking failures. The steel tends to break down … Continue reading →