Numerical Analysis of Triple Concentric Tube Heat Exchanger using Dimpled Tube Geometry

Kumar, K. Senthil; Perumal, Sakthivel; Mohan, R.; Kalidoss, K

doi:10.5958/2249-7315.2016.00732.2

Cited by 3 publications

(2 citation statements)

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“…Based on the results, the central composite design optimization study was conducted. Senthil Kumar et al [9] used a spherical shape dimpled tube to numerically analyse the heat transfer rate of the triple concentrate tube heat exchanger. Govindhasamy et al [10] designed a heat exchanger with twisted tape inserts in the corrugated tube and reported that this type of heat exchanger increased the heat transfer rate around 235.3%.…”

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confidence: 99%

Experimental and numerical analysis of diesel engine exhaust heat recovery using triple tube heat exchanger

P¹,

Raman²

2020

THERM SCI

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In this study, a 2000 mm long triple tube heat exchanger was designed and manufactured in this work with three intermediate tubes having annulus space of 26, 32, and 36 mm, respectively. Experimental investigations were carried out in the system to assess the percentage of energy savings. On the Diesel engine experiments were conducted by varying the load conditions at 25%, 50%, 75%, and 100%, respectively. Motor speed was varied at 900, 1200, and 1500 rpm, respectively, for each load condition. Also incorporated during the study were counter current, co-current with counter current, counter current with co-current, and co-current fluid flow patterns. It is found that, while increasing the load and speed, the heat transfer rate of the heat exchanger increased. It is also observed that, the fluid counter current flow pattern gave better performance compared to other flow pattern types. The effects of the operating parameters on the heat exchanger's performance are represented by the Nusselt number and effectiveness. The results of the experiments were also compared with the thermal energy storage performance of the double tube heat exchanger. It is found that, compared to double tube heat exchanger, 20% of fuel energy was saved by using triple tube heat exchanger as waste heat recovery system.

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confidence: 99%

Experimental and numerical analysis of diesel engine exhaust heat recovery using triple tube heat exchanger

P¹,

Raman²

2020

THERM SCI

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“…Kumar et al (2014) [7] studied Numerically the concentric of dimpled tube with Al₂O₃ nano fluids. The inner tube specifications of the concentric tube heat exchanger, with ellipsoidal and spherical dimple geometries.…”

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confidence: 99%

NUMERICAL AND EXPERIMENTAL STUDY THE EFFECT OF (SiO₂) NANOPARTICLES ON THE PERFORMANCE OF DOUBLE PIPE HEAT EXCHANGER

Kassim¹,

Lahij²

2019

JEASD

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Studies on diesel engine exhaust gas for retrieving the waste heat through Triple Tube Heat Exchanger (TTHE) through different tubes

Raman¹,

P²,

Muthusamy³

et al. 2022

Energy Sources, Part A: Recovery, Utilization, and Environmenta

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Numerical Analysis of Triple Concentric Tube Heat Exchanger using Dimpled Tube Geometry

Cited by 3 publications

References 0 publications

Experimental and numerical analysis of diesel engine exhaust heat recovery using triple tube heat exchanger

Experimental and numerical analysis of diesel engine exhaust heat recovery using triple tube heat exchanger

NUMERICAL AND EXPERIMENTAL STUDY THE EFFECT OF (SiO₂) NANOPARTICLES ON THE PERFORMANCE OF DOUBLE PIPE HEAT EXCHANGER

Studies on diesel engine exhaust gas for retrieving the waste heat through Triple Tube Heat Exchanger (TTHE) through different tubes

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