A5052538982- Heat Transfer Mechanisms
- Fluid Dynamics and Turbulent Flows
- Heat Transfer and Optimization
- Nanofluid Flow and Heat Transfer
- Solar Thermal and Photovoltaic Systems
- Tribology and Lubrication Engineering
- Combustion and flame dynamics
- Aerodynamics and Fluid Dynamics Research
- Solar Radiation and Photovoltaics
- Solar-Powered Water Purification Methods
- Petroleum Processing and Analysis
- Radiative Heat Transfer Studies
- Power Transformer Diagnostics and Insulation
- Water Quality Monitoring and Analysis
- Turbomachinery Performance and Optimization
- Hydraulic flow and structures
- Heat transfer and supercritical fluids
- Phase Change Materials Research
- Electrohydrodynamics and Fluid Dynamics
- Refrigeration and Air Conditioning Technologies
- Aerodynamics and Acoustics in Jet Flows
- Cellular and Composite Structures
- Photovoltaic System Optimization Techniques
- Mechanical Failure Analysis and Simulation
- Membrane Separation Technologies
University of Petroleum and Energy Studies
2020-2025
Shri Vishwakarma Skill University
2021
Dehradun Institute of Technology University
2015-2019
Shoolini University
2017
The flat plate solar heat collector captures thermal energy for agricultural drying, heating houses and businesses, cooling food, producing steam. Adding twisted tape inserts to the absorbent surface of a increases its efficiency. This article describes absorber discusses hydraulic performance achieved by varying twist pitch height. Computational fluid dynamics is performed Reynolds numbers ranging from 5000 17000, relative height (TH/Dh) 0.011-0.044, (PTT/TH) 49.95-73.2 (TP/TH) 8-15. Heat...
This research paper presents an experimental analysis on a heat exchanger tube using newly designed perforated conical ring combined with twisted tape as inserts. The investigation analyzes various geometric and flow parameters in the setup, including wide range of Reynolds numbers, varying from 6000 to 30000, nanoparticle volume concentration (ϕnp) 0.25-1.0%, ratio inlet dia inner print (DIR/DBR) 1.33-2.33, pitch (RP/ DED) 1.41-2.51, twist (TL/ WT) 3.33-4.38, fixed values for other...
This study explores the enhancement of thermal performance by disrupting laminar sublayer through use turbulence promoters on surface a heated plate. The focus is investigating how changes in several geometrical parameters V-rib combined with collective ring impact fluid flow and heat transfer properties within flat plate solar collector. Computational methods validated models, range Reynolds numbers (4000–20000) were employed to conduct comprehensive CFD analysis, examining dynamics...
This work presents, an experimental study on Nusselt number (Nurs) and friction factor (frs) of heat exchanger circular tube fitted with multiple square perforated wing twisted tape inserts. The determination encompassed the geometrical parameters namely, depth ratio (Wd/WT) 0.042–0.167, perforation width (a/WT) 0.250, twist (TL/WT) 2.5, tapes (NT) 4.0. effect has been investigated for range Reynolds (Ren) varied from 5000 to 27,000. maximum enhancement in Nurs frs is observed be 6.96 8.34...
This numerical study aims to determine the exergy analysis for a modified solar heat collector (SHC) having wavy delta winglets as turbulent promoters. These disrupt viscous layer improve transfer rate from heat-absorbing surface fluid medium in rectangular channel. The considers following parameters: relative longitudinal pitch (P/H), number of waves (ϕ), and flow angle attack (α0) Reynolds range 4000–18000. maximum efficiency 29.18% is achieved with 5, an 60°, 5. To evaluate system's...
Current work focuses on enhancing the performance of solar air heater by employing vertical submerged pipe jets featuring different profiles: circular, square, triangular, and rectangular. The study investigates parameters including jet diameter ratio d/Dh ranging from 0.044 to 0.11 spacing (Sj/Dh) varying 0.108 at 0.433 while keeping streamwise (X/Dh) spanwise Y/Dh pitch fixed 0.867. Reynolds number Re ranges 3,000 18,000. Initial results for all profiles were obtained through CFD...
The present investigation introduces an innovative approach to improving the thermal performance of heat sinks for electronic cooling by using array various pin fin profiles – square, circular, triangular, and NACA 0040—arranged in stream wise direction between consecutive parallel plate fins. systematic comparison these profiles, combined with exploration a wide range parameters Reynolds numbers while maintaining consistent blockage area, constitutes novel enhancing sink performance. study...
This study presents a computational fluid dynamics (CFD) analysis of heat transfer and pressure drop in straight slot impingement jet, utilizing $$\:\text{T}\text{i}{\text{O}}_{2}/{\text{H}}_{2}\text{O}$$ nanofluid within square duct. The working comprises $$\:\text{T}\text{i}{\text{O}}_{2}$$ nanoparticles (diameter dp = 25 nm) suspended water at volume fraction (ϕ) 2.5%. investigation different values Reynolds numbers (Re) from 8,000 to 17,000, with variations geometrical parameters such as...
In this article an experimental analysis has been conducted to study the effect obstacle parameters on thermal and hydrodynamic performance of impingement jets solar air passage having protrusion w...
The present experimental investigation is focused on the study of heat transfer and pressure drop exchanger tube fitted with dimpled ribs inner wall. effect geometrical parameters, predominantly streamwise spacing, spanwise depth to print diameter has been investigated. spacing (x/dd) in range 15–35, (y/dd) ratio (e/dd) 0.5–1.5, Reynolds number (Ren) ranges from 5,000 27,000. Experimental results show that thermal hydraulic performance enhances by 4.19 times 2.53 times, respectively, for...