Intro to Marine Engineering 2E Episode 9 pps

... rod Calibrated spring Linkage to provide straight line movement of stylus Piston Cylinder Indicator piston Section showing indicator piston ^vindicator cord Figure 2.8 Engine indicator —I Coupling *—' ... is pumped to a daily service tank. From the daily service tank the oil flows through a three-way valve to a mixing tank. A flow meter is fitted into t...

Ngày tải lên: 20/02/2014, 22:41

... and could lead to fires or explosions. The compressor motor is started and the machine run up to speed. The lubricating oil pressure should be observed to build up to the correct ... according to the type of seal. Replaceable wear rings are fitted to the impeller and the casing. The motor support bracket has two large apertures to provide access...

Ngày tải lên: 13/08/2014, 16:22

... pump (see Chapter 6) . To achieve a seal between the rotors, oil is injected into the compressor: to prevent this being carried into the system, the oil separator is larger and ... the chlorinator and require Auxiliaries 143 Steam inlet to ejectors Dôupôrheôtinằ_ spray inlet Steam inlet to pre-hewer Preheater Figure 7.7 Two-stage flash evaporator A two-...

Ngày tải lên: 13/08/2014, 16:22

... steering gear a vaned rotor is securely fastened onto the rudder stock (Figure 12.9). The rotor is able to move in a housing which is solidly attached to the ship's structure. ... running motor-generator set has a directly coupled exciter to provide the field current of the generator. The Shafting and propellers 209 simultaneously through an arc t...

Ngày tải lên: 13/08/2014, 16:22

... adjacent conductors. The two conductors are connected and a large current flow takes place. An earth fault occurs when a break in the insulation permits the conductor to touch an ... necessary to attract attention. It is necessary to give an alarm in order to concentrate resources and effort quickly onto the fire, even if the fire must be left...

Ngày tải lên: 13/08/2014, 16:22

... shaft to the alternator field coils. An automatic voltage regulator is used with this type of alternator. The construction of an alternator can be seen in Figure 14.7. The rotor ... a voltage regulator is also built into the system. The brushless high speed alternator was also developed to eliminate d.c. exciters with their associated commutators and...

Ngày tải lên: 13/08/2014, 16:22

... passed to a slop tank. Control theory To control a device or system is to be able to adjust or vary the parameters which affect it. This can be achieved manually or automatically, ... obtain a signal related to this output which is fed to the transmitter. From the transmitter the signal is then passed to a comparator. The comparator will c...

Ngày tải lên: 13/08/2014, 16:22

... small amounts to increase strength and resistance to fatigue. Tungsten added at between 12 and 18%, together with up to 5% chromium, produces high speed steel. .S32 Engineering ... may have to be taken during the various tours. Between tours of inspection the Duty Engineer will be on call and should be ready to investigate any alarms relayed to...

Ngày tải lên: 13/08/2014, 16:22

... loss-flow characteristic, 113, 114 Heat, 353 Heat detector, 233 Heat exchangers maintenance, 139 operation, 139 plate type, 139 shell and tube type, 138 , 139 Heat treatment, 331, ... processes, 331 Acidity, 152 Actuator, 310 Admiralty coefficient, 358 Aerobic bacteria, 147 Air compressors, 134 -137 automatic valves, 137 water jacket safety valve, 135...

Ngày tải lên: 13/08/2014, 16:22