Page 25 - Aeronautical Engineer Data Book

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N/m 2 (Pa) 6.895 2 10 3 47.88 1.013 2 10 5 249.1 1333 1 kW-h 2.93 2 10 –4 3.766 2 10 –7 0.7457 1.163 2 10 –6 2.778 2 10 –7 1

cmHg 5.171 3.591 2 10 –2 76 0.1868 1 7.501 2 10 –4 J 1055 1.356 2.685 2 10 6 4.187 1 3.6 2 10 6

in H 2 0 27.68 0.1922 406.8 1 5.353 4.015 2 10 –3 cal 252 0.3239 6.414 2 10 5 1 0.2389 8.601 2 10 5

6.805 2 10 –2 4.725 2 10 –4 2.458 2 10 –3 1.316 2 10 –2 9.869 2 10 –6 3.929 2 10 –4 5.051 2 10 –7 1.559 2 10 –6 3.725 2 10 –7

atm 1 hp-h 1 1.341

2.089 2 10 –2

lb/ft 2 144 1 2116 5.02 27.85 ft-lb 777.9 1 1.98 2 10 6 3.087 0.7376 2.655 2 10 6

lb/in 2 (psi) 1 6.944 2 10 –3 14.70 3.613 2 10 –2 0.1934 1.450 2 10 –4 BTU 1 1.285 2 10 –3 2545 3.968 2 10 –3 9.481 2 10 –4 3413

Table 2.5 Pressure (p) Unit 1 lb per in 2 (psi) 1 lb per ft 2 1 atmosphere (atm) 1 in of water at 39.2°F (4°C) 1 cm of mercury at 32°F (0°C) 1 N per m 2 (Pa) Table 2.6 Heat 1 Bri