Bosch Automotive Handbook, 11th Edition

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Please note: All terms not contained within quotes, will be evaluated using the OR operator. This means that your search results will contain all results that contain ANY of the entered terms. AND, OR, NOT Z = p/υ = ρ · c. For air at 20 °C and 1013 hPa (760 torr) Z = 415 Ns/m3, for water at 10 °C Z = 1.44 · 106 Ns/m3 = 1.44 · 106 Pa · s/m. Third-octave band spectrum Sound levels are determined and represented in terms of third-octave bandwidth. The bandwidth referred to the center frequency is relatively constant, as in the case of the octave band spectrum.

Automotive Handbook, 11th Edition 978-1-119-91191-3 Wiley Automotive Handbook, 11th Edition 978-1-119-91191-3

Stress concentration factor ak for various notch configurations Stress concentration factors for flat bars Enlarge picture

The technical system of units The technical system of units used the following base quantities and base units: Motor-vehicle noise measurements and limits The noise measurements employed to monitor compliance with legal requirements are concerned exclusively with external noise levels. Testing procedures and limit Specific acoustic impedance Z Specific acoustic impedance is a measure of the ability of a medium to transmit sound waves. Hz), however the phon figures do agree. See the graph below for curves of equal loudness level according to Fletcher-Munson. Enlarge picture Allocation of sounds to objective and subjective scales, curves of equal loudness level, weighting curve A of sound-level meter.

Bosch Automotive Electrics and Automotive Electronics - Springer Bosch Automotive Electrics and Automotive Electronics - Springer

Btu quantity of heat required to raise temperature of 1 lb water by 1 °F. 1 therm = 105 Btu. 4) The units of energy kg C.E. and t C.E. were based on a specific calorific value H of 7000 u kcal/kg of coal. Metric horsepower. Other British andAmerican units of length 1 µ in (microinch) = 0.0254 µm, 1 mil (milliinch) = 0.0254 mm, 1 link = 201.17 mm, 1 rod = 1 pole = 1 perch = 5.5 yd = 5,0292 m, 1 chain = 22 yd = 20.1168 m,Notches (such as grooves and holes) and changes in cross section (shoulders and offsets) as well as various clamping methods give rise to local stress concentrations σmax, which are usually far in excess of the nominal stresses: Body thrown obliquely upward (neglecting air resistance). Angle of throw α; superposition of uniform rectilinear motion and free fall Fuel consumption 1 g/PS · h = 1.3596 g/kW · h, 1 Ib/hp · h = 608.277 g/kW · h, 1 liq pt/hp · h = 634.545 cm3/kW · h, 1 pt (UK)/hp · h = 762,049 cm3/kW · h, 1 g/kW · h = 0.7355 g/PS · h, 1 g/kW · h = 0.001644 lb/hp · h, 1 cm3/kW · h = 0.001576 liq pt/hp · h, 1 cm3/kW · h = 0.001312 pt (UK)/hp · h, Interference The principle of undisturbed superposition of waves. At every point in space the instantaneous value of the resulting wave is equal to the sum of the instantaneous values of the individual waves. The same multiple of P corresponds to a multiple of M or n. Examples: For M = 50 N · m and n = 600 min–1, P = 3.15 kW (4.3 PS) For M = 5 N · m and n = 600 min–1, P = 0.315 kW (0.43 PS) For M = 5000 N · m and n = 60 min–1, P = 31.5 kW (43 PS *) * PS = Pferdestärke = metric horsepower