The influence of radiometer forces on the pressure balance within the solar atmosphere |
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Authors: | O Bschorr |
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Institution: | (1) Messerschmitt, Bölkow, Blohm GmbH, Munich, Germany |
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Abstract: | In a gas heat transport is accompanied by the transport of momentum. The momentum change that accompanies a spatial change in heat flow - this is the radiometer force - results in a pressure gradient. This effect is analogous to the radiation pressure of wavemechanical energy transport. The radiometer pressure increases with temperature and temperature gradient but is independent of the gas density. In the transition zone and in the solar corona the radiometer forces have a definite effect on the pressure balance within the solar atmosphere. In this note the relationship between the radiometer pressure and the acoustic radiation pressure in the solar atmosphere is derived. |
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