Modeling residual thermal stresses in layer-by-layer formation of direct metal laser sintering process for different scanning patterns for 316L stainless steel

H Sezer, J Tang, AMMN Ahsan, S Kaul - Rapid Prototyping Journal, 2022 - emerald.com
Purpose The purpose of this study is to develop a novel comprehensive three-dimensional
computational model to predict the transient thermal behavior and residual stresses …

Influence of immersed conductive objects on quasi-steady burning behavior of fuel slick in turbulent waters

M Kottalgi, S Nair, L Chang… - Combustion Science and …, 2024 - Taylor & Francis
In situ burning (ISB) is an effective technique for burning oil spills that occur in oceans. The
need for enhancing the burning characteristics and advancing the technique of burning fuels …

Modeling thermal behavior of mass concrete structures at early age

T Alper Yikici, H Sezer… - Transportation Research …, 2022 - journals.sagepub.com
In this study, a three-dimensional (3D) mathematical model based on conduction heat
transfer in a solid is developed to predict the temperature profile of large concrete elements …

Burning of fuel layers on a turbulent water surface with an immersed conductive object

L Chang, AS Rangwala - Combustion and Flame, 2023 - Elsevier
This study experimentally investigates the burning dynamics of dodecane and heptane with
a vertical-immersed copper rod on a turbulent water surface. The water surface turbulence is …

Hydrocarbon Fuel Burning Analysis Using a Variable B-Number on Turbulent Water Surface with Immersed Thermal Conductors

L Chang, A Rangwala - Combustion Science and Technology, 2025 - Taylor & Francis
This study investigates the combustion mechanisms of a floating hydrocarbon fuel layer with
immersed heat conductors on a turbulent water surface. A mass burning rate model is …

Mathematical Modeling of Thermal Behavior in Layer-by-Layer Part Fabrication by Direct Metal Laser Sintering Process for Different Scanning Patterns

H Sezer, N Ahsan, SP Kozhumal… - International …, 2020 - asmedigitalcollection.asme.org
In direct metal laser sintering process (DMLS), the nonuniform heat transfer and resulting
temperature gradient across the part result in thermal residual stress within the part which …

[PDF][PDF] Influence of Turbulence on Fuel Slick Fires with an Immersed Conductive Object

L Chang - 2021 - digital.wpi.edu
The hazard associated with crude oil spills has been a major environmental concern as the
increasing demands of offshore drilling and oil tanker transport in recent decades. The …

[PDF][PDF] Impact of Immersed Conductive Objects and Relative Influence of Immersion Depth on Quasi-Steady Burning Behavior of Dodecane Fuel Slick on Turbulent …

MS Kottalgi - 2023 - digital.wpi.edu
With the increase in industrialization, activities in the modern world predominantly have
revolved around the usage of liquid/fossil fuels for transportation and energy requirements …

The Tea Light Candle and the Global Waste Problem

AS Rangwala, KS Arsava - Advances in Energy and Combustion: Safety …, 2022 - Springer
Abstract In 2012, the World Bank estimated that each person living on planet Earth produces
approximately 1.2 kg of waste per day, amounting to 1.2 billion tons per year. By 2025, this …

[PDF][PDF] Pool Fire Burning Facilitated by Subcooled Nucleate Boiling Heat and Mass Transfer Processes

X Pi - digital.wpi.edu
This dissertation was submitted for the degree of Doctor of Philosophy at the Worcester
Polytechnic Institute (WPI). The Ph. D. study was conducted between August 2016 and …