Life Boat Release Gear Mechanism on Ships
The ‘SAFELAUNCH’ life boat release gear mechanism for davit launched survival craft explained in this article allows simultaneous release of the hooks even with the life boat being drifting due…
Earthing Down in High Voltage System
Earthing down is an important concept as far as working in high voltage system is concerned. It is an additional safety procedure for high voltage systems. Earthing down ensures all…
Insulation Resistance Tests of High Voltage Equipment
The high voltage system consist of generators, cables for power distribution, transformers, switch gear, and consumers. Here, consumers are large electric motors for propulsion, air conditioning compressors, bow thrusters, etc.…
High Voltage System on Ships
In ships, voltages upto and equal to 1000 volts is called as low voltage system and voltages above 1000 volts is called high voltage system. Normally low voltage system is…
Maintenance of Butterfly Valve on Ships
Butterfly valve allows bi-directional flow of fluids and provide air tight shutoff at full rated pressure. Advantages of Butterfly Valve · They offer very little resistance to the fluid when compared…
Operation and Maintenance of Eductor on Ships
What is meant by Eductor ? Eductor is a simple type of pump which works on the ‘venturi effect’ to pump out air, gas or liquid from a specified area.…
Cargo Sampling Procedure on Ships
This cargo sampling instruction describes the guidance for the Master and his crew in ensuring that appropriate samples of the cargo to be loaded or discharged are being taken as…
Open Return Wind Tunnel
Wind tunnels are designed for a specific purpose and speed range. Therefore, there are many different types of wind tunnels and several different ways to classify wind tunnels. In this section of the website…
CLOSED CIRCUIT WIND TUNNELS
DESCRIPTION AEROLAB specializes in custom-made closed circuit wind tunnels (CCT). The use of steel for construction offers complete design freedom to meet your unique specifications and needs, such as low…
Dimensional Analysis and Similarity
Introduction - The Purposes and Usefulness of Dimensional Analysis Dimensional analysis is a very powerful tool, not just in fluid mechanics, but in many disciplines. It provides a way to…
