Page 805 - Automotive Engineering Powertrain Chassis System and Vehicle Body

Index

Hydraulic dynamometers, 27, 31, 33 sampling, 789
Hydraulic power steering systems, 266–7 computer-based instrumentation, 790–1
Hydraulic transmissions, 131–2 telematics, 807
Hydrocarbons (HCs), 53, 60, 69 see also Unburnt trip information computer, 805–7
hydrocarbons vehicle speed measurement, 794
Hydrogen, as fuel, 156 VFD, 797–8
Hydrokinetic dynamometer, 27 Insulated gate bipolar transistor (IGBT) technology, 29
Hydrokinetic torque converter, 122 Intake noise, 746
fluid converter, 123–4 control, 769–73
fluid couplings, 123 sources, 759–62, 763
torque converter, 124–5 Intake orifice-radiated noise targets, 681
Hydrostatic drives, 132
Hydrostatic dynamometers, 28 Intake systems, 746
HyGe test rig, 572–3 design for improved engine performance, 748–59
design, issues in, 746
Hysteresis, 370 designer, 746–7
HYZEM research programme, 175, 176
flow duct acoustics, 762–9
intake noise, 746
control, 769–73
IC chip set solutions, 430 sources, 759–62, 763
Icy roads, 319, 406 principal components, 747
Idle speed control, 85–6 snorkel and filter box dimensions, 747–8
Imbalance U, 305 snorkel orifice, location of, 747
Impulse–response function, 727
Independent wheel suspensions, 206–7, 240 Integral/unitary body structure, 538–41
double wishbone suspensions, 208–10 Integrated engine control system, 94
McPherson struts and strut dampers, 210–13 automatic system adjustment, 95
multi-link suspension, 216–17 evaporative emissions canister purge, 94–5
rear axle trailing-arm suspension, 213–14 improvements in, 97
requirements, 207–8 secondary air management, 94
semi-trailing-arm rear axles, 214–16 system diagnosis, 95
steering on, 257–9 Interference drag, 665
Indicated mean effective pressure (imep), 748 Interior noise:
Induced drag force, 664 aerodynamic noise, 707–8
Induction stroke: airborne noise, 688
C.I. engines, 10 background information on systems, 725–6
S.I. engines, 5 brake noise, 708–9
Infinite silencer, 745 coherence, 727–30
Infinitely variable transmission (IVT), 108 convolution integral, 726–7
Initial system response time, 367 correlation, 727–30
Injection moulding, 656 covariance function, 727–30
Inline gearboxes, 114 engine noise, 703
Inner dead centre (IDC), 4 combustion noise, 703–4
Input and output signal conversion, 787–9 engine speed and load on noise, 705
Instrument panel (IP), 786 measurement, 705
Instrumentation, 785 mechanical noise, 704–5
automotive diagnostics, 807 noise source ranking techniques, 705–6
coolant temperature measurement, 792 frequency response function, 730
CRT, 798 linearised mass conservation equation, derivation of, 732–3
CAN network, 804–5 measurement, 689
scan circuits, 800–4 noise path analysis, 690
display devices, 794–5 coherence methods for, 691–2
fuel quantity measurement, 791–2 non-invasive methods for, 694–5
glass cockpit, 805 standard methods for, 692–4
input and output signal conversion, 787 non-linear and linearised inviscid Euler equation, derivation
multiplexing, 788–9 of, 733
LCD, 795 origin, 687
transmissive LCD, 796–7 plane waves with termination impedance, 730–2
LED, 795 rattle noise, 709
modern instrumentation, 785–6 road noise, 706
oil pressure measurement, 792–4 controlling, 707

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