Turbomachine blade

A blade for a turbomachine, comprising:

• a turbine blade having a channel extending over an entire height of the turbine blade in a channel longitudinal direction, an impact chamber having a constricted cross section being situated in the channel for the purpose of accommodating a single impulse body, a channel height, running in a thickness direction of the turbine blade, being reduced with respect to an upstream and downstream channel section in the channel longitudinal direction of the impact chamber, the impact chamber being situated in an area between 10 percent and 90 percent of the blade height, measured from a blade root.