(2) Compressor surge main reasons:

(3) Diesel engine inlet pressure is too high. Generally speaking, the inlet pressure is too high in the supercharger itself is not the problem, but by the engine of the cause, the main reasons are:

(4) Produce continuous abnormal sound: this kind of failure is due to the majority of rotor and shell as a result of the collision. Due to the rotor and shell assembly clearance is small, if installation misadjustment or bearing serious damage, then hitting.

(5) The lubricating oil temperature is too high (above 105 ℃) of the main reasons:

(6) Oil leakage: compressor seal close to the edge of the impeller is low pressure area, easy to produce the oil leakage fault. Main reasons are:

Designing a Ship in present times has become a difficult task for currently a ship must be totally complied with new environmental rules and rules. some benchmark technologies have already been developed to achieve the final word goal of building a “Green ship” which might not solely suits the new environmental rules and rules however would additionally leave least attainable carbon foot-prints.

We have compiled a listing of 13 new technologies that if used along would lead to the ultimate green Ship of the longer term. they're as follows:

1.   No Ballast System: Ballast water convention by International Maritime Organization focuses on reducing the transit of sediments and small organisms of one territory to a different through the ballast of ships. so as to forestall this condition, plans of constructing a “No Ballast Ships” is underneath progress. A no ballast ship or similar system will drastically cut back this downside.

2.   LNG Fuel for Propulsion: it's same that LNG fuel is that the way forward for the Shipping business. LNG fuel helps in reduction of pollution from ships, and a mixture of LNG fuel with fuel can cause economical engine performance, leading to fuel saving.

3.   LNG Fuel for Auxiliary engine: Auxiliary engines on ships square measure main sources of power. what is more {they are|they're} one in all those machines that are continuous running aboard vessels. LNG fuel for such engines will drastically cut back pollution from ships.

4.   Sulphur Scrubber System: It’s not much attainable to phase-out usage of standard fuels in ships and thus reducing sulphur or SOx emission from the exhaust could be a answer that will be used extensively within the future. this could be achieved by putting in associate exhaust gas scrubber system whereby the sulphur is washed out from the exhaust gas of the engine leading to reduction of SOx up to ninety eight passed by with alternative harmful particles.

5.   Advanced Rudder and mechanical device System: A simple mechanical device and efficient rudder system will cut back the fuel consumption up to 4 the worries leading to less emission. Advanced styles of mechanical device and rudder systems are developed to not solely cut back the fuel consumption however additionally improve the speed of the vessel.

6.   Speed Nozzle: Speed Nozzles are typically utilized in little provide vessels and tugs to supply power to the ships. along side new style options of cargo ships, they will improve the propulsion potency of the ship by saving power up to approx five the concerns.

7.   Hull Paint: Another vital issue that may increase the fuel consumption of a ship and thus emissions is rising hull properties. Applying correct paint at correct hull space will cut back the resistance resistance of the ship leading to 3-8% of fuel savings.

8.   Waste Heat Recovery System: this technique is already in use for quite your time currently, however creating it a lot of economical will cut back the fuel consumption of the ship drastically up to 14 july of the whole consumption. The waste heat from the exhaust gases is used to heat and generate steam that successively is used for heating storage area, accommodation, heating oil etc.

9.   Exhaust Gas Recirculation: during this system, Roman deity emissions from the engine is reduced by recirculation of exhaust gas from engine cylinder with scavenge air that lowers the temperature of the combustion chamber. Some a part of the exhaust air is re-circulated and intercalary to scavenge air of the engine that reduces the oxygen content of the scavenge air along side temperature of combustion cylinder. With this methodology nox reduction of up to 80th is achieved.

10.  Water in Fuel: The addition of water in fuel simply before its injection into the combustion chamber will cut back the temperature within the cylinder liner. associate economical system for this could lead to nox reduction of up to 30-35%.

11.   Improved Pump and Cooling Water System: associate optimized cooling water system of pipes, coolers and pumps may end up in slashed resistance to the flow. this may cause savings of up to twenty of electrical power of the ship and fuel consumption up to 1.5 %.

12.   Sail and Kite Propulsion System: Sail and Kite system once used along side the traditional system will cut back the fuel additionally as nox, SOx and greenhouse emission emissions by thirty fifth. browse a lot of regarding these inexperienced propulsions system here.

13.   Fuel and photovoltaic cell Propulsion: The cell propulsion utilizes power from a mixture of fuel cells, star cells and battery systems. This helps in reduction of GHG emission to an excellent extent. browse a lot of regarding these propulsion systems here.

14. sandwich plate System (SPS): it's a method of composting two metals plates by bonding it with polymer stuff core.  This avoids usage of steel which needs further stiffening thus makes the structure lightweight weight and fewer vulnerable to corrosion. This technology will undoubtedly play an honest role in inexperienced ship usage method as SPS feature includes superior in commission performance and reduced through life maintenance.