Advanced Vehicle Technology Episode 3 Part 13 ppsx

... ring 33 3 Flow control orifice 33 3, 33 4 Flow control valve plunger 33 3 Drive shaft 33 1, 33 2, 33 3 Pressure relief valve 33 3, 33 4 Roller 33 1, 33 2, 33 3 Roller carrier lobe 33 1, 33 2, 33 3 Rotor 33 1, 33 2, ... joints for light and medium, duty 33 7, 33 8 Ball joint dust cover 33 7, 33 8 Ball joint lubrication 33 9 Ball joint sockets 33 7, 33 8 Description of b...

Ngày tải lên: 21/07/2014, 17:20

... 594 Tractor and trailer skirting 632 Tractor skirt 632 , 633 Trailer body flow pressure distribution 621, 622 Trailer forebody edging fairings 631 Trailer skirt 632 , 633 Trailing vortex 596 Trailing ... planes 30 5 Critical period of oscillation 30 4 Cyclic movement of a heavy spot on a wheel relative to the ground 30 2 Dynamic balance 30 4 Lateral run-out 30 9 Methods of balancing...

Ngày tải lên: 21/07/2014, 17:20

... delivering air charge to the third and fourth reservoir. 12 .3. 7 Pressure reducing valve (piston type) (Fig. 12. 13( a, b and c)) Various parts of an air brake system may need to operate at lower ... in the brake actuator chambers collapses as the air is permitted to escape to the atmosphere. 12 .3. 13 Spring brake hand control valve (Fig. 12.18(a, b and c)) Purpose This hand control valv...

Ngày tải lên: 21/07/2014, 17:20

... degψ 1.8 1.6 1.4 1.2 1.0 0 Drag coefficient ( ) C D 0102 030 Fig. 14.58 Influence of yaw angle upon aerodynamic drag 625 Airstream Drag coefficient ( ) C D 0.8 0.7 0.6 0.5 0.4 3. 0 3. 2 3. 4 3. 6 3. 8 4.0 Low cab High cab Adjustable ... leading edge (attached air flow over cab roof) 0.8 0.7 0.6 0.5 0.4 Drag coefficient ( ) C D 3. 0 3. 2 3. 4 3. 6 3. 8 4.0 4.2 Body height (h) m Low...

Ngày tải lên: 21/07/2014, 17:20

... degγBonnet slope angle ( ) degα Drag coefficient ( ) C D (a) (b) (c) ∝ ∝ 0 .32 0 .32 30 40 50 60 700 246810 0 .34 0 .34 0 .36 0 .36 0 .38 0 .38 0.40 0.40 Drag coefficient ( ) C D Dra g coefficient ( ) C D Fig. ... and ground. (a) (b) 0.0 0.1 0.2 0 .3 0.4 Tail extension (mm) Drag coefficient ( ) C D 0 500 1000 1500 2000 6000 432 1 2 3 4 700 130 0 1900 5720 mm5650 mm 1 Fig. 14 .33 (...

Ngày tải lên: 21/07/2014, 17:20

... discharge pressure of P 2 (see Fig. 13. 8). 13. 3.2 Evaporator (Fig. 13. 6) The evaporator's function is to transfer heat from the food being stored in the cold compartment into the circulating refrigerant ... evaporator coil can be absorbed through the metal walls of the tubing, see Fig. 13. 15(a and b). 13. 3 .3 Condenser (Fig. 13. 6) The condenser takes in saturated refrigera...

Ngày tải lên: 21/07/2014, 17:20

... trucks and large articulated vehicles are shown in Figs 13. 1 and 13. 2 respectively. Refrigeration systems designed for motor vehicle trucks are basically made up of two parts supported on an aluminium ... compartment temperature for frozen food is usually set between À22  C and À25  C whereas the chilled compartment temperature is set between 3  C and 5  C. 13. 1 Refrigeration t...

Ngày tải lên: 21/07/2014, 17:20

... exhaust valve and opens the inlet valve. Air is now able to flow from the tractor emergency 539 12 .3. 23 Brake actuator chambers Purpose Brake actuator chambers convert the energy of compressed ... reduced. Fig. 12.20 (a±c) Quick release valve 533 (supply) line to the trailer's emergency line via the open inlet valve mounted in the lower part of the dump valve. As a result, when...

Ngày tải lên: 21/07/2014, 17:20

... 738 7: 93 kN=m 2 or 73: 9 bar c) Total power piston and  F 1  F 2 pedal push rod thrust  1:2  1:88  3: 08 kN Total master cylinder fluid pressure P 3  F 3 A 2  3: 08  4 (0:018) 2  121 03: 635 ... system 511 Fig. 11. 43 (a±d) Antilock brake system for commercial vehicles (ABS) 4 93 b) Power piston thrust F 2  A 1 (P 1 À P 2 )   4 (0:2) 2 (100 À40)  1:88 kN Master cylinde...

Ngày tải lên: 21/07/2014, 17:20

... (Fig. 11 .34 (a)). Fig. 11 .33 Load sensing and progressive pressure limiting valve front to rear brake line characteristics Fig. 11 .34 (a and b) Inertia pressure limiting valve 485 Fig. 11 .39 (a±c) ... (Figs 11 .34 and 11 .35 ) The operating principle of the inertia valve unit relies upon the inherent inertia of the heavy steel ball rolling up an inclined ramp when the retardation of the...

Ngày tải lên: 21/07/2014, 17:20