Sentence examples for twisted tape from inspiring English sources

Best thermal performance is observed for twisted tape with twist ratio of 7.5.

The serrations on two sides of the twisted tape with twist ratio of 1.56, 1.88, 2.81 or ∞ are the square-sectioned ribs with the identical rib-pitch and rib-height.

Swirl flow is achieved with twisted tape inserts having twist ratios of 2, 3.2, 4.5 and 7.5.

The study involves the dimensionless parameters: Reynolds number (Re), pitch ratio (PR), twist ratio (TR), and twisted tape number (N).

A twisted tape with a twist ratio of 2 or 4 was inserted into the circular tube to induce the swirl flow.

Twisted-tape insert (with the twist ratio y=4.12), the straight-tape insert, and the combined turbulator insert (the internal twisted tape with the twist ratio of 180° y=2.16 and an external tape, which spirally winded on an internal tape, with longitudinal pitch H360°=110 mm and the relative height of a tape (rib) e/D0=0.098 0.2) were investigated.

The improvement is found to be not very sensitive to the slight changes in the width and twist angle of the twisted tape.

The local Nusselt number and Fanning friction factor increase as the twist ratio decreases in the tube fitted with smooth or serrated twisted tape.

Twisted tape inserts resulted asymmetric flame.

The using of single twist twisted tape supplies considerable increase on heat transfer and pressure drop when compared with the conventional twisted tapes.

Subsequently, simulations considering one, two and four-way coupling were evaluated for both the standard and the twisted tape-equipped elbows.