Aidin Panahi
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View article: Circular Carbon Nanotube Production for Advanced Structural Fiber Applications
Circular Carbon Nanotube Production for Advanced Structural Fiber Applications Open
Plastic waste accumulation remains a global challenge, with only a small fraction currently being recycled. Upcycling postconsumer plastics into value-added materials offers a sustainable solution for waste reduction and advanced manufactu…
View article: Effects of oxygen concentration on nanoparticle formation during combustion of iron powders
Effects of oxygen concentration on nanoparticle formation during combustion of iron powders Open
Powdered iron is being investigated for its potential use as a carbon-free fuel due to its ability to burn heterogeneously and produce oxide particles, which can be collected, reduced back to iron and burned again. However, high temperatur…
View article: Evaluation of climate changes in wetland ecosystems using GCM model, Case Study: Alagol, Ajigol, and Almagol wetlands, Golestan province
Evaluation of climate changes in wetland ecosystems using GCM model, Case Study: Alagol, Ajigol, and Almagol wetlands, Golestan province Open
View article: Thermal runaway process in lithium-ion batteries: A review
Thermal runaway process in lithium-ion batteries: A review Open
Climate change and global warming represent critical challenges for the 21st century, partly attributable to the combustion of fossil fuels. The adoption of alternative energy sources presents viable solutions to mitigate these challenges.…
View article: Spectral emissivities and temperatures of burning iron as single particles or groups of particles
Spectral emissivities and temperatures of burning iron as single particles or groups of particles Open
This manuscript reports on the combustion of powdered iron, for the purpose of utilizing it as an environmentally friendly circular energy carrier. The conducted research investigated the spectral emissivity and temperature of iron particl…
View article: On the temperature and emissivity of torrefied biomass and coal in group particle combustion
On the temperature and emissivity of torrefied biomass and coal in group particle combustion Open
This laboratory study reports results on the group particle combustion of pulverized bituminous coal and various types of torrefied biomass. Combustion of particle streams in a drop tube furnace in air was concurrently monitored by a spect…
View article: Comparative radiative property measurements of single biomass and coal particles burning at high reactor temperatures
Comparative radiative property measurements of single biomass and coal particles burning at high reactor temperatures Open
This research measured the emissivity, temperature and soot loading of pulverized bituminous coal and three types of renewable biomass. Combustion occurred in a laboratory-scale drop tube furnace (DTF), where the fuels experienced high hea…
View article: On the Temperature and Emissivity of Torrefied Biomass and Coal in Group Particle Combustion
On the Temperature and Emissivity of Torrefied Biomass and Coal in Group Particle Combustion Open
View article: Spectral Emissivities and Temperatures of Burning Iron as Single Particles or Groups of Particles
Spectral Emissivities and Temperatures of Burning Iron as Single Particles or Groups of Particles Open
View article: Combustion behavior of single iron particles, Part II: A theoretical analysis based on a zero-dimensional model
Combustion behavior of single iron particles, Part II: A theoretical analysis based on a zero-dimensional model Open
View article: Concurrent spectroscopic measurement of emissivity and temperature of burning single coal particles
Concurrent spectroscopic measurement of emissivity and temperature of burning single coal particles Open
Temperature and spectral emissivity are parameters of outmost importance in the analysis of combustion systems.For certain small objects their surface temperature and spectral emissivity needs to be acquired with non-contact measurements.T…
View article: Combustion behavior of single iron particles-part I: An experimental study in a drop-tube furnace under high heating rates and high temperatures
Combustion behavior of single iron particles-part I: An experimental study in a drop-tube furnace under high heating rates and high temperatures Open
Micrometric spherical particles of iron in two narrow size ranges of (38–45) µm and (45–53) µm were injected in a bench scale, transparent drop-tube furnace (DTF), electrically heated to 1400 K. Upon experiencing high heating rates (10
View article: Partitioning of a wide bubbling fluidized bed with vertical internals to improve local mixing and bed material circulation
Partitioning of a wide bubbling fluidized bed with vertical internals to improve local mixing and bed material circulation Open
Industrial scale fluidized bed reactors are characterized by limited mixing rates, either local or global, especially when using low-pressure drop gas distributors to reduce operational costs. In this work, partitioning of wide beds using …
View article: Spectroscopic and pyrometric temperature measurements of heated type B and S thermocouples
Spectroscopic and pyrometric temperature measurements of heated type B and S thermocouples Open
This research experimented with two different non-contact methods for determining the surface temperature of a hot object (in this case heated type-B and type-S thermocouples): multiwavelength spectrometry and three-wavelength pyrometry. A…
View article: Kinetics mechanism of inert and oxidative torrefaction of biomass
Kinetics mechanism of inert and oxidative torrefaction of biomass Open
Torrefaction of biomass is a promising pre-treatment process capable of substantially improving the properties of raw biomass for its use as a solid biofuel, among many other potential applications. Oxygen-lean torrefaction can effectively…
View article: Metal Fuels as Alternative Sources of Energy for Zero Carbon Emission
Metal Fuels as Alternative Sources of Energy for Zero Carbon Emission Open
Global climate change is a pressing challenge of the 21st century that has gained attention of scientists and governments. It has been proven that climate change is largely associated with human activities such as burning fossil fuels to p…
View article: Oxy-combustion Behavior of Torrefied Biomass Particles
Oxy-combustion Behavior of Torrefied Biomass Particles Open
A fundamental investigation was conducted on the combustion characteristics of torrefied biomass in both air and O2/CO2 gases containing 21% or 30% oxygen mole fractions. These gases simulated oxy-combustion environments. The targeted torr…
View article: Fuel flexible power stations: Utilisation of ash co-products as additives for NOx emissions control
Fuel flexible power stations: Utilisation of ash co-products as additives for NOx emissions control Open
This work investigated the effects of different ash co-products on the combustion of solid fuels, in particular the fuel-nitrogen behaviour: The fuel-ash additive combinations investigated were: Firstly, biomass ashes added to bituminous c…
View article: Formation of Acid Gases from Co-firing of Coal with Raw and Torrefied Biomasses
Formation of Acid Gases from Co-firing of Coal with Raw and Torrefied Biomasses Open
This work examined the emission for SO2, NOx, and CO2 gases from the combustion of pulverized coals, raw and torrefied biomasses, and 50-50 wt% blends thereof. The fuel samples chosen for this work are a high-sulfur bituminous coal (Illino…
View article: Nitrogen Oxide Evolution in Oxy-Coal Combustion
Nitrogen Oxide Evolution in Oxy-Coal Combustion Open
This paper investigates emissions of NOx from pulverized coal burning in O2/CO2 environments.Such environments are pertinent to oxy-coal combustion, a promising “clean-coal” technology. The replacement of the inert nitrogen gas in air with…
View article: Torrefied Biomass Size for Combustion in Existing Boilers
Torrefied Biomass Size for Combustion in Existing Boilers Open
A fundamental investigation was conducted on the combustion characteristics in air of different torrefied biomass particles size ranges. The targeted biomass types were waste crop, herbaceous and woody. The experimental setup that was used…
View article: Comparison of single particle combustion behaviours of raw and torrefied biomass with Turkish lignites
Comparison of single particle combustion behaviours of raw and torrefied biomass with Turkish lignites Open
View article: On the combustion and pyrolysis of fossil and alternative fuels to minimize their environmental impacts
On the combustion and pyrolysis of fossil and alternative fuels to minimize their environmental impacts Open
Climate change and generation of solid wastes are among the most pressing challenges of the 21st century. Concerns about the environmental impact of greenhouse gas emissions from the combustion of fossil fuels have promoted the use of alte…
View article: Curtailing the generation of sulfur dioxide and nitrogen oxide emissions by blending and oxy-combustion of coals
Curtailing the generation of sulfur dioxide and nitrogen oxide emissions by blending and oxy-combustion of coals Open