Intro to Marine Engineering 2 2011 Part 4 pdf

... 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

... 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 cover 22 4 Steering gear turn using ... 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...

Ngày tải lên: 12/08/2014, 03:20

... oil transfer pump 34 Diesel alternator 35 Diesel alternator controls 40 Condensate de-oiler 41 Refrigerant circulation pump 42 Oily bilge pump 43 Steam/air heater 14 Diesel engines linear ... rod Calibrated spring Linkage to provide straight line movement of stylus Piston Cylinder Indicator piston Section showing indicator piston ^vindicator cord Figure 2. 8...

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

... the same compartment to connect the supply to the various emergency services (see Chapter 14) . Modern systems are arranged to start up the emergency generator automatically ... 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,...

Ngày tải lên: 12/08/2014, 03:20

... from ~20 0°C to + 140 0°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...

Ngày tải lên: 12/08/2014, 03:20

... <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 ... box door should be opened to test the alarm and check that the machinery-space fans stop. 4. One smoke detector in each circuit should be tested to ensure operat...

Ngày tải lên: 12/08/2014, 03:20

... 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 and plunger 46 Diesel ... 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 Fig...

Ngày tải lên: 13/08/2014, 16:22

... the main boiler. A horizontal steam -to- steam generator is shown in Figure 4. 9. .it jr IT _. LOWHWSSUK SHELL Figure 4. 9 Steam -to- steam generator Double evaporation boilers A double ... solution to prevent scale formation. 2. By stopping any suspended salts and impurities from sticking to the heat transfer surfaces. 3. By providing anti-foam protection...

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 *—' ... engines Fuel injection begins Fuel injection ends Exhaust ports close Exhaust ports open Figure 2. 4 Two-stroke timing diagram I " i- f k Upper /piston Fuel ^in...

Ngày tải lên: 20/02/2014, 22:41