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Title: Airside friction and heat transfer characteristics for staggered tube bundle in crossflow configuration with diameters from 0.5 mm to 2.0 mm

Authors:
; ; ;
Publication Date:
Sponsoring Org.:
USDOE
OSTI Identifier:
1341138
Grant/Contract Number:
EE0006114
Resource Type:
Journal Article: Publisher's Accepted Manuscript
Journal Name:
International Journal of Heat and Mass Transfer
Additional Journal Information:
Journal Volume: 98; Journal Issue: C; Related Information: CHORUS Timestamp: 2017-10-04 18:18:06; Journal ID: ISSN 0017-9310
Publisher:
Elsevier
Country of Publication:
United Kingdom
Language:
English

Citation Formats

Bacellar, Daniel, Aute, Vikrant, Huang, Zhiwei, and Radermacher, Reinhard. Airside friction and heat transfer characteristics for staggered tube bundle in crossflow configuration with diameters from 0.5 mm to 2.0 mm. United Kingdom: N. p., 2016. Web. doi:10.1016/j.ijheatmasstransfer.2016.02.072.
Bacellar, Daniel, Aute, Vikrant, Huang, Zhiwei, & Radermacher, Reinhard. Airside friction and heat transfer characteristics for staggered tube bundle in crossflow configuration with diameters from 0.5 mm to 2.0 mm. United Kingdom. doi:10.1016/j.ijheatmasstransfer.2016.02.072.
Bacellar, Daniel, Aute, Vikrant, Huang, Zhiwei, and Radermacher, Reinhard. 2016. "Airside friction and heat transfer characteristics for staggered tube bundle in crossflow configuration with diameters from 0.5 mm to 2.0 mm". United Kingdom. doi:10.1016/j.ijheatmasstransfer.2016.02.072.
@article{osti_1341138,
title = {Airside friction and heat transfer characteristics for staggered tube bundle in crossflow configuration with diameters from 0.5 mm to 2.0 mm},
author = {Bacellar, Daniel and Aute, Vikrant and Huang, Zhiwei and Radermacher, Reinhard},
abstractNote = {},
doi = {10.1016/j.ijheatmasstransfer.2016.02.072},
journal = {International Journal of Heat and Mass Transfer},
number = C,
volume = 98,
place = {United Kingdom},
year = 2016,
month = 7
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record at 10.1016/j.ijheatmasstransfer.2016.02.072

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  • The analysis of visual patterns of flow distribution in finned tube banks with individual fins permits the separation of major factors affecting heat transfer and pressure drop. A flow model and governing dimensionless variables are established on the basis of this analysis and similarity with heat transfer phenomena in channels. Heat transfer and friction factor correlations are recommended for crossflow over staggered tube banks with plain and segmented fins in the range of Reynolds numbers Re{sub h} = 300-10,000. Correlation coefficients are evaluated using original and published experimental data. The correlations correspond with most of the available test data withinmore » 10%.« less
  • Local and the average heat transfer data were determined by passing liquid Na through a staggered pipe bundle by means of a closed, forced- circulation loop. The 0 content of the Na was reduced to 2.6 x 10/sup -3% by placing a cold trap in the system, and carrying out the tests under a protective Ar atmosphere. The amount of heat transferred was measured by means of an electrocalorimeter in the hydraulically stabilized portion of the system at Na temperatures between 200 and 350 deg C, at flow rates ranging from 0.1 to 2.0 m/ sec and Reynolds Nos. betweenmore » 4700 and 90,000. It was found that in the rear portion of the pipe the heat transfer coefficient decreases smoothly. The peripheral heat transfer distribution showed a maximum, but the second maximum, usually observed when nonmetallic liquids are used, was not noted. Comparison with previously reported heat transfer data of Hg (C. Pickard et al., Trans. ASME 80: liquid metals; a similar agreement was found also with the theory developed by R. Cess and R. Crosh (Trans. ASME« less
  • This paper deals with heat exchangers having plain fins on a staggered array of circular tubes. Correlations are developed to predict the air-side heat transfer coefficient and friction factor as a function of the Reynolds number and geometric variables of the heat exchanger such as tube diameter, tube pitch, fin spacing, etc. A multiple regression technique was used to correlate 47 sets of heat exchanger data to develop the heat transfer and friction correlation. The correlations are applicable to heat exchangers having small diameter tubes (or large tube pitch to tube diameter ratio), whose performance previous correlations failed to predictmore » adequately. The heat transfer correlation applicable to three or more row configuration predicts 94% of the data within {+-}20%, and the heat transfer correlation applicable to one- or two-row configuration predicts 94% of the data within {+-}20%. The friction correlation predicts 90% of the data within {+-}20%.« less
  • Results were reported on the pressure drop and rate of heat transfer during flow across tube banks and for flow on the shell side of a cylindrical, baffled heat exchanger with and without appreciable internal leakage across the baffle. A method was proposed for predicting the performance on the shell side of baffled exchangers from the cross-flow data from rectangular tube banks and baffle-leakage coefficients. Information on the flow between the outer row of tubes and the shell wall in rectangular tube banks is presented. The results presented include isothermal, heating, and cooling runs in both the laminar and turbulentmore » regimes for two tube-bank geometries with various bank-to-shell clearances. The effect of sealing strips to block the bypass stream is shown. Methods of generalizing the results for commercial exchanger design are considered. (auth)« less