From: daellis94@gmail.com   
      
   On Monday, June 11, 2018 at 12:51:13 PM UTC-4, Thomas Koenig wrote:   
   > David Ellis  schrieb:   
   >   
   > > Of course, at its core, a nozzle is a device--or, I suppose more   
   > > appropriately, a structure--along a flow channel that converts the   
   > > enthalpy of a fluid (ie, the energy represented by the combination   
   > > of temperature and pressure) into kinetic energy in one direction.   
   >   
   > Kinetic energy has no direction, it is a scalar quantity.   
      
   Sorry, I meant velocity, to which I erroneously slapped the label "kinetic   
   energy."   
      
   What I should have said was it converts the enthalpy of the fluid into kinetic   
   energy by increasing velocity in a single, concentrated direction.   
      
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