Eckert Number
Eckert number, abbreviated as Ec, a dimensionless number, is used to calculate the ratio of the kinetic energy to enthalpy.
Eckert Number formula |
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| \(\large{ Ec = \frac{U^2 } {2 \; c \; \Delta T} }\) | ||
| Symbol | English | Metric |
| \(\large{ Ec }\) = Eckert number | \(\large{dimensionless}\) | |
| \(\large{ U }\) = characteristic flow velocity | \(\large{\frac{ft}{sec}}\) | \(\large{\frac{m}{s}}\) |
| \(\large{ c }\) = specific heat | \(\large{\frac{Btu}{lbm-F}}\) | \(\large{\frac{J}{kg-K}}\) |
| \(\large{ \Delta T }\) = temperature change | \(\large{F}\) | \(\large{K}\) |
Tags: Energy Equations