Chapter N: N Nusselt Number (NNu)

Chapter N: N Nusselt Number (N _Nu)

N: nitrogen (element)
Na: sodium (element)
nano (n): prefix, equals 1 E ? 09 (same as millimicro)

nanometer =

10

0.001 ?m

1 E ? 07 cm

1 E ? 06 mm

3.937 E ? 08 in.

1 millimicrometer

1 E ? 09 m
Napierian logarithm: See also LOGARITHMS.
natural gas: by composition,

83.4% methane (CH ₄)

0.8% nitrogen (N ₂)

15.8% ethane (C ₂H ₆)
natural logarithm: See also LOGARITHMS.
nautical mile: See also mile (nautical).
Nb: niobium (element)
NCMH: normal cubic meters per hour
Nd: neodymium (element)
Ne: neon (element)
NEMA: National Electrical Manufacturer's Association

Neper = 8.686 decibels
neutron: neutral part of an atom nucleus consisting of an electron and proton.

neutron mass =

1.67 E ? 24 g

1.67 E ? 27 kg
newton: metric unit of force that accelerates 1 kg of mass at 1 m/s ².

newton =

1 E + 05 dyn

0.10197 kg

101.967 g

0.2248 lb (force)

0.01 J/cm

7.233 pdl

1 J/m

0.00102 ton (metric)

newton/meter =

0.0102 g/cm

0.06854 lb (force)/ft

0.10197 kg/m
newton/square meter: See also Pascal's law.
newton-meter: metric unit for work
newton-meter: See also joule, electrical energy.
newton-second/square meter: metric unit of absolute (dynamic) viscosity.
newton-second/square meter: See also pascal-second.
Newton's Laws of motion: See also LINEAR MOTION, rectilinear motion.
Ni: nickel (element)
N _NU: See also...

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83.4% methane (CH ₄)	0.8% nitrogen (N ₂)
15.8% ethane (C ₂H ₆)

0.0102 g/cm	0.06854 lb (force)/ft
0.10197 kg/m