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HEAT TRANSFER AND PRESSURE DROP CHARACTERISTICS IN A CORRUGATED DUCT WITH ROUNDED CORNERS.

Author(s) : ASAKO Y., NAKAMURA H., FAGHRI M.

Type of article: Article

Summary

HEAT TRANSFER AND PRESSURE DROP RESPONSES OF A CORRUGATED DUCT WITH ROUNDED CORNERS WERE DETERMINED NUMERICALLY. COMPUTATIONS WERE CARRIED OUT FOR A PRANDTLNUMBER OF 0.7, IN THE REYNOLDS NUMBER RANGE FROM 100 TO 1,000, FOR 3 ASSIGNED CORRUGATION ANGLES, AND FOR 4 VALUES OF ASPECT RATIOS. ROUNDING OF THE CORNERS RESULTED IN A DECREASE OF FRICTION FACTOR AND NUSSELT NUMBER. HEAT TRANSFER PERFORMANCE WAS COMPARED TO A STRAIGHT DUCT AND TO A DUCT WITH SHARP CORNERS UNDER 3 DIFFERENT CONSTRAINTS: FIXED PUMPING POWER, FIXED PRESSURE DROP, AND FIXED MASS FLOW.

Details

  • Original title: HEAT TRANSFER AND PRESSURE DROP CHARACTERISTICS IN A CORRUGATED DUCT WITH ROUNDED CORNERS.
  • Record ID : 1989-0510
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 31 - n. 6
  • Publication date: 1988

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