Total Impulse

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Total Impulse t</sub>)</strong> </dt>
The integral of the thrust F over an interval of time t :

It = Missing Image:img src="SP7_t_files/integral.gif" F dt
Total impulse is related to specific impulse Isp by It = Isp Missing Image:img src="SP7_t_files/wdot.gif" align="middle"

dt, where Missing Image:img src="SP7_t_files/wdot.gif" align="middle"= propellant flow weight rate. </dd>

References

This article is based on NASA's Dictionary of Technical Terms for Aerospace Use