Search Results - "Varaminian, Farshad"

Experimental and modeling investigation on surface tension and surface properties of (CH4 + H2O), (C2H6 + H2O), (CO2 + H2O) and (C3H8 + H2O) from 284.15 K to 312.15 K and pressures up to 60 bar by Khosharay, Shahin, Varaminian, Farshad

“…In this work, the experimental surface tensions for (CH4 + H2O), (C2H6 + H2O), (CO2 + H2O) and (C3H8 + H2O) binary systems have been measured with the pendant…”
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Experimental measurement of phase equilibrium for gas hydrates of refrigerants, and thermodynamic modeling by SRK, VPT and CPA EOSs by Karamoddin, Maryam, Varaminian, Farshad

“…•Three-phase equilibrium data, (VLWH), were measured for HCFC22 and HFC134a hydrates.•The pressures were evaluated by simple EoSs (modified mixing rule) and…”
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The modeling of hydrate growth kinetics in tetrahydrofuran–water mixture based on subcooling driving force by Karamoddin, Maryam, Varaminian, Farshad

“…•THF hydrate formation was predicted around a planar probe in finite conditions.•The moving boundary location of hydrate layer was found by the quasi…”
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Thermodynamic modeling of phase equilibrium for gas hydrate in single and mixed refrigerants by using sPC-SAFT equation of state by Abolala, Mostafa, Karamoddin, Maryam, Varaminian, Farshad

“…•Three-phase equilibrium data, (VLWH), were determined in the presence of several refrigerants.•The pressures were evaluated by sPC-SAFT EOS and temperature…”
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Modeling interfacial tension of (CH4+N2)+H2O and (N2+CO2)+H2O systems using linear gradient theory by Khosharay, Shahin, Varaminian, Farshad

“…The linear gradient theory (LGT) of fluid interfaces in combination with the cubic-plus-association equation of state (CPA EOS) is applied to determine the…”
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Separation performance investigation of packed distillation columns using simple NEQ approach based on packing multicomponent efficiencies and effective mass transfer coefficients by Poortalari, Hadi, Karimi Sabet, Javad, Varaminian, Farshad

“…A simple non-equilibrium modeling approach is proposed to simulate multicomponent distillation process in packed columns. The real behavior of the column is…”
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Data for exploring the effect of parameters on decomposition of gas hydrate structure I by Kheshty, Mohammad Fani, Varaminian, Farshad, Farhadian, Nafiseh

“…This article describes initial and final configurations of methane hydrate structure I as PDB file at various cage occupancies and different temperatures. Cage…”
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Degradation of Diazinon from aqueous solution using Silver-modified Clinoptilolite Zeolite in photocatalytic process by Milad Hallajiqomi, Mohsen Mehdipour Ghazi, Farshad Varaminian

“…photocatalytic reactor was tested in the degradation of diazinon in water using photocatalyst clinoptilolite zeolite-silver. The photocatalyst clinoptilolite…”
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Experimental and theoretical investigations on the carbon dioxide gas hydrate formation kinetics at the onset of turbidity regarding CO2 capture and sequestration processes by ZareNezhad, Bahman, Mottahedin, Mona, Varaminian, Farshad

“…The carbon dioxide gas hydrate formation kinetics at the onset of turbidity is experimentally and theoretically investigated. It is shown that the…”
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Amino acids as kinetic inhibitors for tetrahydrofuran hydrate formation: Experimental study and kinetic modeling by Naeiji, Parisa, Arjomandi, Akram, Varaminian, Farshad

“…In this work, a series of natural amino acids which are environmentally friendly and biodegradable have been tested as hydrate crystal growth kinetics…”
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Water purification by freezing and gas hydrate processes, and removal of dissolved minerals (Na+, K+, Mg2+, Ca2+) by Karamoddin, Maryam, Varaminian, Farshad

“…This research investigates the potential of crystallization technologies containing the freezing method and process of gas hydrate formation in water…”
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Kinetic study of carbon dioxide hydrate formation by thermal analysis in the presence of two surfactants: Sodium dodecyl sulfate (SDS) and lauryl alcohol ethoxylate (LAE) by Naeiji, Parisa, Varaminian, Farshad

“…In the present study, formation kinetics of carbon dioxide hydrate has been investigated by thermal analysis. Since differential scanning calorimetry has no…”
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Effect of surface structure on the kinetic of THF hydrate formation by Asadi, Masomeh, Peyvandi, Kiana, Varaminian, Farshad

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Modeling of Methane Hydrate Decomposition by Using Chemical Affinity by Farshad Varaminian, Zohreh Abbasi nia

“…In this work, experimental kinetics data of methane hydrate decomposition at temperatures ranging from 272.15 to 276.15 K and at pressures ranging from 10 to…”
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Kinetic promotion of non-ionic surfactants on cyclopentane hydrate formation by Erfani, Amir, Varaminian, Farshad

“…Clathrate hydrates are among the most important cold storage materials studied which are known to enhance the coefficient of performance in air conditioning…”
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Experimental investigation on structure H hydrates formation kinetics: Effects of surfactants on interfacial tension by Erfani, Amir, Varaminian, Farshad

“…Among the known gas hydrate structures, structure H (sH) is the most fitting crystal for storage and transportation of natural gas due to its moderate…”
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Study the kinetics and thermodynamics conditions for CO2 hydrate formation in orange juice concentration by Safari, Saleh, Varaminian, Farshad

“…In this study, for concentration of orange juice, two laboratory systems were used; one for CO2 hydrate formation at high-pressure system, another for…”
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Differential scanning calorimetry measurements and modeling of methane + THF hydrate growth kinetics based on non-equilibrium thermodynamics by Naeiji, Parisa, Varaminian, Farshad

“…In the present work, the feasibility of using DSC to measure the kinetics of hydrate formation was investigated. Therefore, there is an attempt to model…”
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The kinetic modeling of methane hydrate growth by using molecular dynamic simulations by Naeiji, Parisa, Varaminian, Farshad, Rahmati, Mahmoud

“…•MD simulation was applied to study the kinetics of methane hydrate growth.•A kinetics model based on the non-equilibrium thermodynamics was…”
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Kinetic studies of structure-H hydrate using a Langmuir adsorption model: Effects of methyl cyclohexane and methyl cyclopentane as large-molecule guest substances on methane hydrate by Mazraeno, Masoumeh Seyfi, Naeiji, Parisa, Varaminian, Farshad

“…•The kinetics of structure I and H hydrate formation was studied.•Langmuir adsorption theory was used to predict the kinetics of hydrate formation.•MCH affect…”
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