The Draft, as simple definition is the distance between the sea level and the bottom of hull (included the thickness of bottom - see this article) But the confusions still happening sometime for the junior designer/surveyor during initial design stage/ dimension surveying. That there're two terms of Design and Scantling whose making the story. Hereby … Continue reading Design draft vs Scantling draft
Vibration is a complex phenomena happen on ship and machinery space, to understand and have the first sight of vibration assessment or further development, the fundamental of vibration theory is the great article for your pre-learning with such concept. In this topic, i'll try to make it it as simple as possible to know-how the … Continue reading Ship noise and vibration control
A general introduction about NPSH in CENTRIFUGAL PUMP (Advanced) article. But the confusion raised that you still not understand how it works and how to evaluate the NPSH of our current pump is enough or Not ? Confusion will occur if someone does not know that: There are two basic NPSH parameters to consider (for the inspector) … Continue reading NPSH – How much is enough?
One of the most important factors when assess a pump is figuring out the Static Head or How much height that the pump can lift the fluid . ( See the CENTRIFUGAL PUMP (Advanced) to see how to calculate the pump Characteristics and Select a Pump) During commissioning, an initial assessment the pump Head by reading the Discharging … Continue reading Pump Head vs Discharge Pressure