A5101925028- Fluid Dynamics and Heat Transfer
- Surface Modification and Superhydrophobicity
- Heat Transfer Mechanisms
- High-Temperature Coating Behaviors
- Heat Transfer and Boiling Studies
- Electrohydrodynamics and Fluid Dynamics
- Advanced Sensor and Energy Harvesting Materials
- Plant Surface Properties and Treatments
- Nanofluid Flow and Heat Transfer
- Metal and Thin Film Mechanics
- Heat Transfer and Optimization
- Fluid Dynamics and Turbulent Flows
- Nanomaterials and Printing Technologies
- Adhesion, Friction, and Surface Interactions
- Granular flow and fluidized beds
- Fluid Dynamics and Thin Films
- High Entropy Alloys Studies
- Aerosol Filtration and Electrostatic Precipitation
- Particle Dynamics in Fluid Flows
- Combustion and flame dynamics
- Fluid Dynamics Simulations and Interactions
- Advanced materials and composites
- Fluid Dynamics and Vibration Analysis
- Diamond and Carbon-based Materials Research
- Aerogels and thermal insulation
National Institute of Technology Rourkela
2016-2024
Siksha O Anusandhan University
2010-2023
American Pharmacists Association
2023
Indian Institute of Technology Kharagpur
2012-2014
In this paper, the superhydrophobic coatings on aluminium surfaces were prepared by two-step (chemical etching followed coating) and one-step coating in a single step) processes using potassium hydroxide lauric acid. Besides, surface immersion time solutions was varied both processes. Wettability morphologies of treated characterized contact angle measurement technique scanning electron microscopy, respectively. Microstructures are formed which lead to increase (>150°). Also increasing time,...
The flow of ferronanofluid due to a rotating disk finds its significant place in biomedical sciences, pharmaceuticals, electronics, aerodynamics etc. Entropy generation appears the systems/processes where minimization is needed because it prohibits decay available energy which turn boosts efficiency associated thermal systems matters most. In view these added advantages, and heat transfer behavior subject slip, suction, electromagnetic field, Darcy–Forchheimer effect, viscous dissipation,...
The development of a self-cleaning and anti-fogging superhydrophobic coating for aluminium surfaces that is durable in aggressive conditions has raised tremendous interest materials science. In this work, Al surface was synthesized by employing chemical etching technique with mixture hydrochloric nitric acids, followed passivation lauric acid. morphology analysis revealed the presence rough microstructures on coated surface. Superhydrophobicity water contact angle 170 ± 3.9° sliding 4 0.5°...
The objective of this study is to find the effect ultrafast cooling on microstructure and mechanical properties steel with different carbon composition. Steel samples 6 mm thick AISI 1008, 1040, 1075, 1090 have been used in experiments percentage rate properties. Air-atomized spray system has deployed a fixed air flow varying water rates. Experimental results shown that, as increased, surface heat flux increase for all grades steel. It observed that higher content requires rates reach an...
Abstract In the current research, different cooling processes for getting an ultra-fast rate a hot static plain carbon steel plate are studied. Depending upon initial surface temperature and final microstructures of dual-phase steel, first type is late cooling, second early cooling. Late studied by water spray air-assisted process, only. The heat transfer analysis on above show that has excellent control Keywords: ultra-fastearly ultra-fastatomized sprayhot
The requirement for high tensile strength steel has placed greater emphasis on the cooling methods used in of a hot plate. purpose this research is to study effect surfactant concentration water jet cooling, and its applicability ultrafast (UFC) initial temperature plate, before starts, kept at 900 °C which usually observed as “finish rolling (FRT)” strip mill plant. current heat transfer analysis shows that added produces higher flux than pure due forced convection area. Dissolved increases...
Heat transfer studies of a hot AISI 304 stainless steel plate by water jet impingement with different concentrations three types surfactants have been investigated. The study involves square 100 mm × surface area and 6 thickness subsurface thermocouples positioned at various locations inside the plate. influence height has studied varying distance between nozzle from 200 to 600 mm. results show that heat rate is found increase up 400 thereafter decreases due capillary instability liquid jet....
Abstract In the current research, ultra fast cooling (UFC) of a hot stationary AISI‐304 steel plate has been investigated by using air atomized spray at different and water flow rates. The initial temperature plate, before starts, is kept 900°C or above. was produced from full cone internal mixing nozzle fixed to distance; average mass flux varied 130 370 kg m −2 s selecting combinations surface heat calculations have performed INTEMP software calculated results validated comparing with...
In case of spray evaporative cooling, the heat transfer rate is controlled by various factors such as droplet renewal rate, Leidenfrost effect, and extraction each droplet. current work, in high mass flux cooling (~55 kg/m2s), tried to enhance increasing water temperature. Furthermore, from different initial surface temperatures (300°C–800°C), experiments were conducted at (10°C–50°C). The fluxes are calculated using an inverse conduction software (INTEMP). result reveals that with...