"smooth channel" is a correct and usable phrase in written English.
It can be used to refer to a route or course of action that is relatively free of obstacles or complications. For example, "The government has created a smooth channel for those seeking a visa to enter the country."
As we left the harbor, it began to rain, and the smooth channel gave way to swells.
Heat transfer rates of C-GPFs and T-GPFs were compared with those of a smooth channel.
Jon nodded, and led the way down a relatively smooth channel that funneled into the falls from the right side of the river.
The investigation shows that the TW together with the groove provides the substantial increase in heat transfer over the smooth channel.
Compared to smooth channel flows, the Nusselt numbers were increased by a factor of 1.6 1.8 and 2.2 2.5 for the transverse and V-shaped ribs, respectively.
Regional HTCs are correlated with rotation numbers for multi-pass rectangular smooth channel with hub turning vane and trailing edge ejection.
Smooth channel-bank surfaces are interrupted by intermittent occurrences of scarps and rill channels.
For the Cassie State, simulations predict a narrower solute concentration distribution compared to flow in smooth channels.
An experimental campaign was carried to investigate pressure loading and metal temperature distribution of an industrial blade cooled by means of straight smooth channels.
As expected, the structured roughness elements on channel walls result in pressure drop and heat transfer enhancements as compared to smooth channels due to the combined effects of area increase and flow modification.
Mesopores act as smooth channels for the diffusion of middle distillate molecule.
