Intro to Marine Engineering 2 2011 Part 12 docx

... <U gojin Orf.gjrf S 5 2 o" _ 2 1 iss- ^ O* O "S ^ o .c a ** £ 2 ft. <J5 e/5 .S 32 Engineering materials Normalising. The steel is heated to a temperature of ... hours rest for the members of each watch. The three watches in any 12 hour period are usually 12- 4, 4—8 and 8- 12. The word 'watch' is taken as meaning...

Ngày tải lên: 12/08/2014, 03:20

... 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 *—' ... and propellers 20 0 12 Steering gear 21 1 13 Fire fighting and safety 23 1 14 Electrical equipment 25 3 15 Instrumentation and control 27 9 16 Eng...

Ngày tải lên: 12/08/2014, 03:20

... engines Fuel entry Non return valve Timing / valve To fuel valve Sliding rod Lever Cam Figure 2. 15 Timing valve The fuel injector A typical fuel injector is shown in Figure 2, 16, It can be seen to be two basic parts, ... piston rod is bolted directly to the top of the crosshead pin. The pistons are oil-cooled and somewhat shorter in length than earlier...

Ngày tải lên: 12/08/2014, 03:20

... about 21 0kPa (2. 1 bar) has been reached the drum air vent may be closed. The boiler must be brought slowly up to working pressure in order to ensure gradual expansion and to ... the de-aerator. The de-aerator feedwater is very close to the steam temperature at the same pressure and will, if subjected to any pressure drop, 'flash-off into...

Ngày tải lên: 12/08/2014, 03:20

... zone oxygen levels may be as low as from 1 to 12 per cent, carbon dioxide from 0 to 25 per cent and relative humidity is kept within 40 to 90 per cent. 176 Refrigeration, air conditioning ... the same compartment to connect the supply to the various emergency services (see Chapter 14). Modern systems are arranged to start up the emergency gener...

Ngày tải lên: 12/08/2014, 03:20

... Piston 12 Bridge piece 13 Plunger 14 Spring 15 Case nuts and bolts 16 Shaft sleeve 17 Needle bearing 18 Roller journal 19 Oil seal 20 Retaining plate 21 Slipper 22 Circlip 23 , 24 ... Slipper 22 Circlip 23 , 24 O-rings 26 Vent plug 27 Roller bearing cap 28 Control lever 29 Oil seal 30 Top trunnion and cover 32, 34 Bottom trunnion and c...

Ngày tải lên: 12/08/2014, 03:20

... from ~20 0°C to +1400°C. 26 8 Electrical equipment current-carrying conductor in a magnetic field produces the motor effect which turns the rotor. The motor speed builds up to a ... 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...

Ngày tải lên: 12/08/2014, 03:20

... vertical axis driven by a gear wheel (Figure 2. 22) . The action of centrifugal force throws the 24 Diesel engines Cam follower Cam Figure 2. 12 Injector pump with detail view showing ports ... engines Fuel entry Non return valve Timing / valve To fuel valve Sliding rod Lever Cam Figure 2. 15 Timing valve The fuel injector A typical fuel injector is shown...

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. .S 32 Engineering ... hours rest for the members of each watch. The three watches in any 12 hour period are usually 12- 4, 4—8 and 8- 12. The word 'watch' is taken as meaning t...

Ngày tải lên: 13/08/2014, 16:22

... 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 *—' ... around the injector body. Older engine designs may have fuel injectors which are circulated with cooling water. 24 Diesel engines Cam follower Cam Figure...

Ngày tải lên: 20/02/2014, 22:41