thermal velocity sentence in Hindi
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- If the ions are relatively cold, their thermal velocity will be small.
- The resolution of FIM is limited by the thermal velocity of the imaging ion.
- For non-relativistic thermal velocities, the Doppler shift in frequency will be:
- The gyro radius is often estimated by replacing with the thermal velocity or the Alfv�n velocity.
- This expression is typically valid for a plasma in which ion thermal velocities are much less than electron thermal velocities.
- This expression is typically valid for a plasma in which ion thermal velocities are much less than electron thermal velocities.
- Due to this lower thermal velocity, chemical propulsion units become exponentially less effective at higher vehicle velocities, necessitating the use of electric spacecraft propulsion such as PPTs.
- The simplest example is a plasma localized in an unmagnetized vacuum . ( See Inertial confinement fusion . ) Both electrons and ions will stream outward with their respective thermal velocity.
- Taking k _ B to be the Boltzmann constant, T is the temperature, and m is the mass of a particle, then we can write the different thermal velocities:
- Nevertheless, if the drift velocity of electrons exceeds the thermal velocity of plasma, a steady state cannot be achieved and magnetic diffusivity should be much larger than what is given in the above.
- The thermal velocity of the electrons will be fast due to their high temperature and low mass : v _ e \ approx \ sqrt { k _ BT _ e / m _ e }.
- The velocity of each particle as it gyrates around a field line can be treated similarly to a thermal velocity in an ordinary gas, and in an ordinary gas, the mean thermal velocity is roughly the speed of sound.
- The velocity of each particle as it gyrates around a field line can be treated similarly to a thermal velocity in an ordinary gas, and in an ordinary gas, the mean thermal velocity is roughly the speed of sound.
- As the laser excitation is started, the molecules inside the cavity emit photons, but since the molecules have a thermal velocity, the light inside the laser cavity is at first a range of frequencies, corresponding to the statistical distribution of velocities.
- Further out the surface of the planetary core ( which would been rocky or metally ) would be cold enough for the captured hydrogen ( and helium ) to be captured-the thermal velocity of the gas is less than the surface escape velocity.
- In a uniform magnetic field, a particle undergoes random walk across the field lines by the step size of gyroradius ?a " v th / ?, where v th denotes the thermal velocity, and ?a " qB / mc, the gyrofrequency.
- If the collision frequency is larger than the gyrofrequency, then the particles can be considered to move freely with the thermal velocity " v " th between collisions, and the diffusion coefficient takes the form D = v _ { th } ^ 2 / \ nu.
- From the Tsiolkovsky equation stated above, this results in a proportionally higher final velocity of the propelled craft . The exhaust velocity of a PPT is of the order of tens of km / s while conventional chemical propulsion generates thermal velocities in the range of 2-4.5 km / s.
- The net result is that both ions and electrons stream outward at the speed of sound, c _ s \ approx \ sqrt { k _ BT _ e / m _ i }, which is much smaller than the electron thermal velocity, but usually much larger than the ion thermal velocity.
- The net result is that both ions and electrons stream outward at the speed of sound, c _ s \ approx \ sqrt { k _ BT _ e / m _ i }, which is much smaller than the electron thermal velocity, but usually much larger than the ion thermal velocity.
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