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Dr. Sandip Dutta

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Department of Mechanical Engineering, Clemson University, Clemson, SC 29634, USA
Interests: conjugate heat transfer; gas turbine; computational engineering; thermal management; optimization

Special Issue Information

Dear Colleagues,

Numerical prediction of heat and mass transfer and computational fluid dynamics are progressing with significant speed. With easily available computation power and easier mesh development, numerical prediction and thermal analysis have become must-haves in component designs. This Special Issue of Energies will address recent developments in techniques and observations related to numerical thermal analysis. The following topics are of interest for this Special Issue:

Thermal and flow optimization for process improvement and resource utilization;
Heat transfer and fluid flow in adaptive porous media;
Heat and mass transfer in electrochemical devices;
Numerical modeling in cryogenics;
Numerical models in multiphase systems;
Supersonic combustion;
Hypersonic propulsion;
Nanoscale models;
Biofluid dynamics;
Turbulence under influence;
Fluid and flexible structure interactions;
Energy harvesting;
Green technologies;
Clean water harvesting;
Creative use of Artificial Intelligence in thermal systems;
Machine learning for better adaptation in harsh environments;
Thermal applications related to space travel and living in space.

Prof. Dr. Sandip Dutta
Guest Editor

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Keywords

heat and mass transfer
computational fluid dynamics
numerical thermal analysis
thermal and flow optimization
fluid flow
energy harvesting

Published Papers (2 papers)

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Research

17 pages, 3435 KiB

Open AccessArticle

Performance Analysis of Ship Exhaust Gas Temperature Differential Power Generation

by Xiaoyu Liu, Chong Zhao, Hao Guo and Zhongcheng Wang

Energies 2022, 15(11), 3900; https://doi.org/10.3390/en15113900 - 25 May 2022

Cited by 1 | Viewed by 1302

Abstract

In addition to the use of waste heat from the vessel’s exhaust gas to save energy onboard, reduce the carbon emissions of the ship, and combine the characteristics of ship waste heat, mathematical modeling and testing of ship waste heat temperature difference power generation were carried out in this study. Finally, an experimental platform for temperature differential power generation was established to assess the impact of influencing agents on the efficiency of temperature differential power generation. The results show that the effect of different thermally conductive greases on the efficiency of temperature differential power generation tablets is basically the same. In addition, the rate of flow of cooling water, the cooling plate area, and the heat source temperature have more significant effects on the open-circuit voltage and maximum output power. The results show that the maximum power output growth rate increases with increasing cooling water flow, reaching 8.26% at 4 L/min. Likewise, increasing the heat source temperature enhances the maximum output power growth rate by 15.25% at 220 °C. Conversely, the maximum output power of the temperature difference power generation device decreases as the cooling plate area increases, and the maximum output power reduction rate is 15.25% when the cooling plate area is 80 × 200 mm² compared to the case of using a cooling plate area of 80 × 80 mm². Moreover, the maximum output power of the temperature differential power generation device reaches 13.6 W under optimal conditions. Assuming that the temperature difference power generation plate is evenly distributed on the tailpipe of the 6260ZCD marine booster diesel engine, it could save approximately 5.44 kW·h electric power per hour and achieve a reduction in CO₂ emissions of 0.3435 kg per hour. Full article

(This article belongs to the Special Issue Advances in Numerical Heat Transfer and Computational Flow Analysis)

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13 pages, 2954 KiB

Open AccessArticle

Stratified Flow of Micropolar Nanofluid over Riga Plate: Numerical Analysis

by Khuram Rafique, Hammad Alotaibi, Nida Ibrar and Ilyas Khan

Energies 2022, 15(1), 316; https://doi.org/10.3390/en15010316 - 03 Jan 2022

Cited by 23 | Viewed by 1650

Abstract

In this article, we present a numerical analysis of the energy and mass transport behavior of microrotational flow via Riga plate, considering suction or injection and mixed convection. The thermal stratified parameters of nanofluid are captured using an interpretation of the well-known Keller box model, which helps us to determine the characteristic properties of the physical parameters. The formulated boundary layer equations (nonlinear partial differential equations) are transformed into coupled ODEs with nonlinearities for the stratified controlled regimes. The impact of embedded flow and all physical quantities of practical interest, such as velocity, temperature, and concentration profile, are inspected and presented through tables and graphs. We found that the heat transfer on the surface decreases for the temperature stratification factor as mass transfer increases. Additionally, the fluid velocity increases as the modified Hartmann number increases. Full article

(This article belongs to the Special Issue Advances in Numerical Heat Transfer and Computational Flow Analysis)

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