Experimental and numerical analysis of transient heat transfer from inclined tube bundles

Sakhaei, Mehryar; Abdi, Iman Ashtiani; Sabri, Farhad; Hooman, Kamel

doi:10.1007/s10973-019-08425-z

Cited by 3 publications

(1 citation statement)

References 22 publications

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“…Huang et al [27] simulated the thermal behaviour of a flow across inline and staggered CCT bank using lattice Boltzmann approach. Sakhaei et al [28] practically and numerically analyzed the hydrothermal response of inclined tube bundle. Compared to flat bundle, it was recorded that the heat exchange rate and pressure loss were reduced by 30% and 60%, respectively.…”

Section: Introductionmentioning

confidence: 99%

Experimental study and thermal performance evaluation of staggered cross flow heat exchangers of semi-circular tubes: II- Effect of attack angle

A. Alghrubah,

ِA.Abd Elrahman

2021

Engineering Research Journal - Faculty of Engineering (Shoubra)

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Bundles of tubes in cross flow are one of the frequently types of heat exchangers, which used in several applications. Therefore, enhancing their performance directly affects the working costs. In the present work, a pair of semicircular tubes (SCTs) is suggested to replace complete circular tube (CCT). Their performance attributes are examined for staggered tube bundle at several rates of airflow across the bundle and at several attack angles of their bases; from zero to 90. It is reported that splitting the CCTs enhances the heat exchange rate as well growing the airflow resistance. Besides, increasing the base angle between 0 and 60 increases both the heat exchange and flow resistance. Their supreme increases are 105.1% and 47.4%, respectively, are obtained at 60 when compared with regular shape. While after 60 and below 90, increasing the angle reduces these increases. The hydrothermal performance Indicator (HTPI) is presented to weigh the performance qualities. It is reported that HTPI is augmented by increasing the angle until 60 while it is constricted with increasing the angle after 60.

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Section: Introductionmentioning

confidence: 99%