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Energy densities table Storage type Specific energy (MJ/kg) Energy density (MJ/L) Peak recovery efficiency % Practical recovery efficiency % Arbitrary Antimatter: 89,875,517,874: depends on density: Deuterium–tritium fusion: 576,000,000 [1] Uranium-235 fissile isotope: 144,000,000 [1] 1,500,000,000
Because the liquid-to-gas expansion ratio of nitrogen is 1:694 at 20 °C (68 °F), a tremendous amount of force can be generated if liquid nitrogen is vaporized in an enclosed space. In an incident on January 12, 2006 at Texas A&M University , the pressure-relief devices of a tank of liquid nitrogen were malfunctioning and later sealed.
0.1786 g/L: 0 °C, 101.325 kPa (lit. source) 0.1785 g/L: 0 °C, 1 atm 7 N nitrogen (N 2) use: 1.251 g/L: 0 °C, 101.325 kPa CRC (calc. ideal gas) 1.145 g/L: 25 °C, 101.325 kPa LNG: 1.165 g/L: 20 °C KCH: 1.2505 kg/m 3: 0 °C, 101.3 kPa VDW: 1.251 g/L: 0 °C, 101.325 kPa (lit. source) 1.2506 g/L: 8 O oxygen (O 2) use: 1.429 g/L: 0 °C, 101.325 ...
Energy stored through solid to liquid phase change of silicon [88] Strontium bromide hydrate: 0.814 [89] 1.93 628 Thermal energy of phase change at 88.6 °C (361.8 K) Liquid nitrogen: 0.77 [90] 0.62 213.9 172.2 Maximum reversible work at 77.4 K with 300 K reservoir Compressed air at 30 MPa (4,400 psi) 0.5 0.2 138.9 55.6 Potential energy
l 3 n −1 In chemistry and related fields, the molar volume , symbol V m , [ 1 ] or V ~ {\displaystyle {\tilde {V}}} of a substance is the ratio of the volume ( V ) occupied by a substance to the amount of substance ( n ), usually at a given temperature and pressure .
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Although the liquid nitrogen is colder than the ambient temperature, the liquid nitrogen engine is nevertheless an example of a heat engine.A heat engine runs by extracting thermal energy from the temperature difference between a hot and a cold reservoir; in the case of the liquid nitrogen engine, the "hot" reservoir is the air in the ambient ("room temperature") surroundings, which is used to ...