|Application||Hydraulic and Industrial Process,Food Process Industry,Pharmaceutical industry|
|Material of Construction||Stainless Steel 304 & 316|
Corrugated Tube Heat Exchangers (CTHE) use corrugated tubes instead of smooth tubes. The corrugations induce turbulence in the media and ensure high Reynolds number even at low velocity. The development of corrugated tube is perhaps the most exciting advancement in heat transfer technology.
Corrugated tube is produced by indenting a plain tube with a spiral pattern. No tube wall thinning takes place no strength is lost.
Corrugated tube is produced by indenting a plain tube with a spiral pattern. This imparts different flow regimes - spiral in the core and eddy's at the periphery. The helical flow contributes to the situation that the fluid particles are alternatively in the vicinity of the tube wall and then in the main flow. Between the helical impressions, around the circumference of the tube, secondary flow, typically in the form of eddies occur.
The flow regime ensures that the rate of decrease in boundary layer resistance exceeds the rate of increase in pressure loss. In other words high heat transfer coefficients with minimum increase in pressure drop.
Corrugated tube shell and tube heat exchangers have many benefits and advantages over comparable smooth tube versions:
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