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Browsing Department of Mechanical engineering by Subject "Heat exchanger"

Now showing items 1-20 of 25

Applications of Heat Transfer Enhancement Techniques: A State-of-the-Art Review

Bhattacharyya, Suvanjan (Intechopen, 2020-06)

The fundamentals of heat transfer and its applications, the classification of heat transfer technology and different heat transfer techniques, and the needs for augmentation and its benefits and the different combinations ...
Boiling of R134a in a Plate-Fin Heat Exchanger Having Offset Fins

Ranganayakulu, Chennu (ASME, 2015-12)

This paper presents experimental results on boiling heat transfer of R134a in a compact plate fin heat exchanger. The exchanger is made of aluminum and has high density offset fins (30 fins/in.). Such heat exchangers are ...
Colburn ‘j’ Factor and Fanning Friction Factor ‘f’ Correlations of Triangular Plain Fin Surface of a Compact Heat Exchanger Using CFD

Ranganayakulu, Chennu (Scientific net, 2015)

This paper presents the heat transfer and friction coefficient correlations for triangular plain fin surfaces of plate fin compact heat exchanger. It will be prohibitively expensive and time consuming to fabricate heat ...
The combined effects of wall longitudinal heat conduction, inlet fluid flow nonuniformity and temperature nonuniformity in compact tube–fin heat exchangers: a finite element method

Ranganayakulu, Chennu (Elsevier, 1999-01)

A finite element analysis of a crossflow tube–fin compact heat exchanger is presented. The analysis takes into account the combined effects of one-dimensional longitudinal heat conduction through the exchanger wall and ...
The combined effects of wall longitudinal heat conduction, inlet fluid flow nonuniformity and temperature nonuniformity in compact tube–fin heat exchangers: a finite element method

Ranganayakulu, Chennu (Elsevier, 1999-01)

A finite element analysis of a crossflow tube–fin compact heat exchanger is presented. The analysis takes into account the combined effects of one-dimensional longitudinal heat conduction through the exchanger wall and ...
Computational heat transfer analysis of a counter-flow heat exchanger with fins

Bhattacharyya, Suvanjan (RDME, 2015)

A numerical work has been conducted to examine laminar flow and heat transfer characteristics in a two-dimensional isothermal-fluxed circular-duct fitted horizontal with finned tapes. The computations are based on the ...
Condensation heat transfer and pressure drop of R-134a saturated vapour inside a brazed compact plate fin heat exchanger with serrated fin

Ranganayakulu, Chennu (Springer, 2016-05)

This paper presents the experimental heat transfer coefficient and pressure drop measured during R-134a saturated vapour condensation inside a small brazed compact plate fin heat exchanger with serrated fin surface. The ...
Development of colburn ‘j’ factor and fanning friction factor ‘f’ correlations for compact heat exchanger plain fins by using CFD

Ranganayakulu, Chennu (Springer, 2013-03)

A numerical model has been developed for plain fin of plate fin heat exchanger. Plain fin performance has been analyzed with the help of CFD by changing the various parameters of the fin, Colburn ‘j’ and fanning friction ...
Effect of novel short-length wavy-tape turbulators on fluid flow and heat transfer: experimental study

Bhattacharyya, Suvanjan (Taylor & Francis, 2019-07)

The heat transfer characteristics of turbulent flow regime through a circular tube with short- and full-length wavy-tape inserts were experimentally investigated. Air was used for Reynolds numbers between 6,000 and 20,000 ...
The Effects of Inlet Temperature Nonuniformity in a Crossflow Plate-fin Heat Exchanger

Ranganayakulu, Chennu (IHTC, 2002)

A finite element analysis of a cross-flow plate-fin compact heat exchanger is presented. The analysis takes into account the effects of non-uniform inlet fluid temperature distributions on both hot and cold fluid sides. ...
Flow boiling heat transfer and pressure drop analysis of R134a in a brazed heat exchanger with offset strip fins

Ranganayakulu, Chennu (Springer, 2017-05)

The saturated flow boiling heat transfer and friction analysis of R 134a were experimentally analyzed in a brazed plate fin heat exchanger with offset strip fins. Experiments were performed at mass flux range of 50–82 kg/m2 ...
Fluid Flow and Heat Transfer in a Heat Exchanger Channel with Short-Length Twisted Tape Turbulator Inserts

Bhattacharyya, Suvanjan (Springer, 2018-09)

The thermohydraulic characteristics of turbulent flow of air (Pr 0.7) through circular tube with short-length and full-length twisted-tape turbulators inserts have been studied experimentally. Also, heat transfer performance ...
Heat and Fluid Flow Analysis and ANN-Based Prediction of A Novel Spring Corrugated Tape

Bhattacharyya, Suvanjan (MDPI, 2021-03)

A circular tube fitted with novel corrugated spring tape inserts has been investigated. Air was used as the working fluid. A thorough literature review has been done and this geometry has not been studied previously, neither ...
The Influence of Forced Convective Heat Transfer on Hybrid Nanofluid Flow in a Heat Exchanger with Elliptical Corrugated Tubes: Numerical Analyses and Optimization

Bhattacharyya, Suvanjan (MDPI, 2022-03)

The capabilities of nanofluids in boosting the heat transfer features of thermal, electrical and power electronic devices have widely been explored. The increasing need of different industries for heat exchangers with high ...
The Influence of Forced Convective Heat Transfer on Hybrid Nanofluid Flow in a Heat Exchanger with Elliptical Corrugated Tubes: Numerical Analyses and Optimization

Bhattacharyya, Suvanjan (MDPI, 2022)

The capabilities of nanofluids in boosting the heat transfer features of thermal, electrical and power electronic devices have widely been explored. The increasing need of different industries for heat exchangers with high ...
Investigation of Counterflow Microchannel Heat Exchanger with Hybrid Nanoparticles and PCM Suspension as a Coolant

Bhattacharyya, Suvanjan (Hindawi Publishing Corporation, 2021)

The effect of the hybrid suspension on the intrinsic characteristics of microencapsulated phase change material (MEPCM) slurry used as a coolant in counterflow microchannel heat exchanger (CFMCHE) with different velocities ...
Numerical Investigation of Thermohydraulics Performance in Elliptical Twisted Duct Heat Exchanger

Bhattacharyya, Suvanjan (Springer, 2016)

Heat transfer behaviour in twisted elliptical duct swirl generator is investigated numerically. Twisted geometry is a widely used technique for heat transfer enhancement. This work presents the investigation of a elliptical ...
Optimization of heat transfer in shell-and-tube heat exchangers using MOGA algorithm: adding nanofluid and changing the tube arrangement

Bhattacharyya, Suvanjan (Taylor & Francis, 2021-10)

The purpose of this study is to assess the impact of a wide variety of parameters to maximize the heat transfer rate using nanofluid, baffles, different Reynolds numbers (Re), different tube arrangements, and various ...
Optimization of heat transfer in shell-and-tube heat exchangers using MOGA algorithm: adding nanofluid and changing the tube arrangement

Bhattacharyya, Suvanjan (Taylor & Francis, 2021-10)

The purpose of this study is to assess the impact of a wide variety of parameters to maximize the heat transfer rate using nanofluid, baffles, different Reynolds numbers (Re), different tube arrangements, and various ...
Research Article Investigation of Counterflow Microchannel Heat Exchanger with Hybrid Nanoparticles and PCM Suspension as a Coolant

Bhattacharyya, Suvanjan (MDPI, 2021-03)

A circular tube fitted with novel corrugated spring tape inserts has been investigated. Air was used as the working fluid. A thorough literature review has been done and this geometry has not been studied previously, ...

Now showing items 1-20 of 25

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