Nandanwar
S, Coldsnow K, Utgikar V, Sabharwall P, Aston DE.
2016. Capture of harmful radioactive
contaminants from off-gas stream using porous solid
sorbents for clean environment– A review.
Chemical
Engineering Journal, 306: 369-381, DOI
10.1016/j.cej.2016.07.073.
Nandanwar
SU, Coldsnow K, Utgikar V, Sabharwall P, Aston DE,
Zhang Y. 2016. Synthesis
and characterization of ETS-10 - supported hollow
carbon nano-polyhedrons nanosorbent for adsorptionof
krypton at near ambient temperatures. Adsorption,
22: 129-137, DOI 10.1007/s10450-015-9702-8.
Nandanwar
S, Coldsnow K, Green M, Utgikar V, Sabharwall P, Aston
DE. 2016. Activity of nanostructured C@ETS-10
sorbent for capture of volatile radioactive iodine
from gas stream. Chemical
Engineering Journal, 287: 593-601, DOI
10.1016/j.cej.2015.11.091.
Nandanwar
SU, Dantas J, Green M, Coldsnow K, Utgikar V,
Sabharwall P, Aston DE. 2016. Porous
microsphere magnesium oxide as an active sorbent for
capture of volatile iodine. Adsorption,
22: 335-345, DOI 10.1007/s10450-016-9781-1.
Integrated
Energy Systems and Chemical Heat Pumps
Gupta A, Sabharwall P, Armatis PD, Fronk BM,
Utgikar VP. 2022. Coupling Chemical Heat Pump with
Nuclear Reactor for Temperature Amplification by
Delivering Process Heat and Electricity: A Techno-Economic
Analysis. Energies, 15, 5873.
https://doi.org/10.3390/en15165873.
Gupta A, Armatis PD, Sabharwall P, Fronk BM,
Utgikar V. 2021. Energy and exergy analysis of
Ca(OH)2/CaO dehydration-hydration chemical heat
pump system: Effect of reaction temperature. Journal
of Energy Storage, 39: #102633.
https://doi.org/10.1016/j.est.2020.102633.
Armatis, PD, Gupta A, Sabharwall P, Utgikar V,
Fronk BM. 2021. A Chemical-Absorption Heat Pump
for Utilization of Nuclear Power in High Temperature
Industrial Processes. International Journal of Energy
Research, https://doi.org/10.1002/er.6721.
Gupta A, Armatis PD, Sabharwall P, Fronk BM,
Utgikar V. 2021. Thermodynamics of Ca(OH)2/CaO
reversible reaction: Refinement of reaction equilibrium
and implications for operation of chemical heat pump. Chemical
Engineering Science, 230: #116227.
https://doi.org/10.1016/j.ces.2020.116227.
Phase Equilibria
and Separations
Nichols
TT, Utgikar V. 2018. Wagner equation
predicting entire curve for pure fluids from limited
VLE data: Critical and Normal Boiling Points &
Acentric Factor. International
Journal of Thermodynamics, 21: 158-172. DOI
10.5541/ijot.426202.
Nichols
TT, Utgikar VP. 2018. Wagner Equation
Predicting Entire Curve for Pure Fluids from Limited
VLE Data: Error Dependency Upon Data Interval &
Fully-Determined Case. International
Journal of Thermodynamics, 21: 38-53, DOI:
10.5541/ijot.372148.
Nichols
TT, Utgikar VP. 2018. Wagner Equation
Predicting Entire Curve for Pure Fluids from Limited
VLE Data: Critical Point and Four Antoine Analytic
Points. Fluid
Phase Equilibria, 460: 1–16, DOI:
10.1016/j.fluid.2017.12.022.
Lyon
KL, Utgikar VP, Greenhalgh MR. 2017. Dynamic
modeling for the separation of rate earth elements
using solvent extraction: predicting separation
performance using laboratory data. Industrial &
Engineering Chemistry Research, 56: 1048-1056.
DOI: 10.1021/acs.iecr.6b04009.
Used Nuclear Fuel (UNF) Recycle -
Pyroprocessing
Day
B, Zillinger J, Utgikar V, Raja KS. 2021. The
Electrochemical Behavior of Tellurium Tetrachloride in
LiCl-KCl Eutectic Molten Salt at 450 ºC. Journal
of The Electrochemical Society, 168: #056514.
https://doi.org/10.1149/1945-7111/abfeff.
Karlsson
TY, Fredrickson GL, Yoo TS, Vaden D, Patterson MN,
Utgikar V. 2019. Thermal analysis of projected
molten salt compositions during FFTF and EBR-II used
nuclear fuel processing. Journal of Nuclear
Materials, 520: 87-95. DOI
10.1016/j.jnucmat.2019.04.016.
Shrestha
N, Raja KS, Utgikar V. 2019. Mg-RE alloy anode
materials for Mg-air battery application. Journal of
the Electrochemical Society, 166: A3139-3153, DOI
10.1149/2.0131914jes.
Shrestha
N, Day B, Utgikar V, Raja KS, Fredrickson G, Frank S.
2018. Electrochemistry of Iodide in LiCl-KCl
Molten Salts and Chemla Effect: An Overview. ECS Transactions,
85(4): 15-23, DOI 10.1149/08504.0015ecst.
Shrestha
N, Zillinger JM, Utgikar V, Raja KS. 2018.
Design Strategies for Anode of Mg-Air Batteries and
Hydrogen Evolution Reactions on Mg-RE Alloys. ECS Transactions,
85(13) 95-107. DOI 10.1149/08513.0095ecst.
Shrestha
N, Utgikar V, Raja KS. 2018. The Effect of
Grain Size on the Corrosion Behavior of Mg-RE Alloy
ZE10A. ECS
Transactions, 85(13): 671-682. DOI
0.1149/08513.0671ecst.
Day
BC, Kersten B, Zillinger J, Raja KS, Utgikar V.
2018. Effect of Lattice Structure of Bismuth
Sesquioxide on Electrochemical Energy Storage
Characteristics. ECS Transactions,
85(13): 1539-1555. DOI 10.1149/08513.1539ecst.
Modeling, Simulation, Control and
Experimental Investigations of Advanced Reactor-Heat
Exchanger Systems
Chen M, Sun X, Christensen RN,
Skavdahl I, Utgikar V, Sabharwall P. 2018.
Dynamic Behavior of a High-Temperature Printed Circuit
Heat Exchanger: Numerical Modeling and Experimental
Investigation. Applied
Thermal Engineering, 135: 246-256, DOI:
10.1016/j.applthermaleng.2018.02.051.
Skavdahl I, Utgikar V, Sabharwall P,
Chen M, Sun X, Christensen R. 2016.Modeling
and Simulation of Control System Response to Temperature
Disturbances in a Coupled Heat Exchangers-AHTR System. Nuclear
Engineering and Design, 300: 161-172, DOI
10.1016/j.nucengdes.1016.01.010.
Skavdahl I, Utgikar V, Christensen R,
Chen M, Sun X, Sabharwall P. 2016.Control of
Advanced Reactor-Coupled Heat Exchangers System:
Incorporation of Reactor Dynamics in System Response to
Load Disturbances. Nuclear Engineering
and Technology, 48: 1349-1359, DOI:
10.1016/j.net.2016.05.001.
Chen M, Sun X, Christensen R, Shi S,
Skavdahl I, Utgikar V, Sabharwall P. 2016.
Experimental and Numerical Study of a Printed Circuit
Heat Exchanger. Annals
of Nuclear Energy, 97: 221-231, DOI
10.1016/j.anucene.2016.07.010.
Chen M, Sun X, Christensen R,
Skavdahl I, Utgikar V, Sabharwall P. 2016.
Pressure Drop and Heat Transfer Characteristics of a
High-temperature Printed Circuit Heat Exchanger. Applied Thermal
Engineering, 108: 1409-1417, DOI
10.1016/j.applthermaleng.2016.07.149.
Chen M, Kim I, Sun X,
Christensen RN, Utgikar V, Sabharwall P. 2015.
Transient analysis of an FHR coupled to a helium Brayton
cycle. Progress
in Nuclear Energy, 83: 283-293.
Bartel N, Chen M, Utgikar VP,
Sun X, Kim I-H, Christensen R, Sabharwall P. 2015.
Comparison of compact heat exchangers for application as
the intermediate heat exchanger for advanced nuclear
reactors. Annals
of Nuclear Energy, 81: 143-149.
Teaching/Pedagogy
Utgikar VP, MacPherson D. 2016.
Facilitating Conceptual Understanding of Gas Liquid Mass
Transfer Coefficient through a Simple Experiment
Involving Dissolution of Carbon Dioxide in Water in a
Surface Aeration Reactor. Journal of Chemical
Education, 93(7): 1282-1288, DOI:
10.1021/acs.jchemed.5b00882.
Utgikar V. 2015. Facilitating
active learning of the concepts in transport phenomena:
Experiment with a subliming solid. Chemical
Engineering Education,49(4):
215-220.
Presentations
“Recent Advancements and
Prospects of Chemical Heat Pumps for Temperature
Amplification for Nuclear Process Heat
Applications,” A Gupta, PD Armatis, P
Sabharwall, BM Fronk, V Utgikar, 2022 ANS Winter
Meeting and Technology Expo, Phoenix, AZ,
November 13-16, 2022.
“A Multifaceted Analysis
of Chemical-Absorption Heat Pump Technology for
Integrated Energy Systems,” PD Armatis, A Gupta,
P Sabharwall, V Utgikar, BM Fronk, 2022 ANS
Winter Meeting and Technology Expo, Phoenix, AZ,
November 13-16, 2022.
“Adsorption of Radioactive
Iodine Using Nano Carbon on ETS-10 as
Adsorbent,” C Balumuru, K Raja, P Sabharwall, V
Utgikar, 2022 ANS Winter Meeting and Technology
Expo, Phoenix, AZ, November 13-16, 2022.
“Methyl Iodide Adsorption
by Reduced Silver Mordenite Under High Moisture
Conditions,” H Goettsche, V Utgikar, P
Sabharwall, C Balumuru, 2022 ANS Winter Meeting
and Technology Expo, Phoenix, AZ, November
13-16, 2022.
"Effects of Storage on
Methyl Iodide Adsorption by Mordenite Sorbent,”
H Goettsche, K Raja, V Utgikar, 2022 ANS Annual
Meeting, Anaheim, CA, June 12-16, 2022.
“Adsorption of Radioactive
Iodine Using Nanocarbon-Coated Ceramic
Substrate,” C Balumuru, K Raja, P Sabharwall, V
Utgikar, 2022 ANS Annual Meeting, Anaheim, CA,
June 12-16, 2022.
“A Techno-Economic
Analysis of Chemical Heat Pumps Coupled with
Conventional Nuclear Reactors for Integrated
Energy Systems,” A Gupta, PD Armatis, P
Sabharwall, BM Fronk, V Utgikar, 2022 ANS Annual
Meeting, Anaheim, CA, June 12-16, 2022.
“The Techno-Economics of a
Chemical-Absorption Heat Pump for Heat Upgrade
in an Integrated Energy System,” PD Armatis, A
Gupta, P Sabharwall, V Utgikar, BM Fronk, 2022
ANS Annual Meeting, Anaheim, CA, June 12-16,
2022.
"A Method of Testing
Methyl Iodide Adsorption onto Exchanged Silver
Mordenite,” H Goettsche, V Utgikar, K Raja, P
Sabharwall, 2021 ANS Winter Meeting, Washington,
DC, November 30 – December 3, 2021.
“Adsorption of Radioactive
Iodine Using Nanocarbon-Coated Ceramic
Substrate,” C Balumuru, K Raja, P Sabharwall, V
Utgikar, 2021 ANS Winter Meeting, Washington,
DC, November 30 – December 3, 2021.
“Experimental
Investigation of Chemical Heat Pumps Using
Composite Pellets for Temperature Augmentation,”
A Gupta, PD Armatis, P Sabharwall, BM Fronk, V
Utgikar, 2021 ANS Winter Meeting, Washington,
DC, November 30 – December 3, 2021.
“Dynamic Model of
Absorption Cycle for Chemical-Absorption Heat
Pump for Process Heating Applications,” PD
Armatis, A Gupta, P Sabharwall, V Utgikar, BM
Fronk, 2021 ANS Winter Meeting, Washington, DC,
November 30 – December 3, 2021.
"Decomposition of
organoiodides using electric discharge as a
pretreatment process for adsorption," C
Balumuru, J Stanford, V Utgikar, K Raja, P
Sabharwall, 2021 ANS Virtual Annual Meeting,
June 2021.
“Enhancement of
Ca(OH)2/CaO Thermal Performance and Structural
Integrity Using Inert Agent for Thermochemical
Energy Storage,” A Gupta, V Utgikar, PD Armatis,
BM Fronk, P Sabharwall, 2021 ANS Virtual
Annual Meeting, June 2021.
“Performance Comparison of
Solid Reactant Based on Pellets and Powder for
Ca(OH)2/CaO Chemical Heat Pump,” A
Gupta, V Utgikar, PD Armatis, BM Fronk, P
Sabharwall, 2020 Winter ANS Meeting, November
16-19, 2020.
“Hydrodynamics of
Extraction Devices: Residence Time Distribution
in Centrifugal Extractors for Organic Phase,” C
Balumuru, V Utgikar, K Lyon, 2020 Winter ANS
Meeting, November 16-19, 2020.
“Dynamic Adsorption of
Organoiodides using Mordenites,” V Utgikar, T
Vaidya, J Stanford, C Balumuru, K Raja, P
Sabharwall, 2020 Winter ANS Meeting, November
16-19, 2020.
“Photodecomposition of
Organoiodides to Molecular Iodine as
Pretreatment for Adsorption in Used Nuclear Fuel
Recycling Operations,” JP Stanford, T Vaidya, N
van Rooyen, K Raja, P Sabharwall, VP Utgikar,
AIChE 2020 Annual Meeting, November 16-20, 2020.
“System Efficiency and
Dynamic Study of Ca(OH)2/CaO Chemical
Heat Pump,” A Gupta, PD Armatis, P Sabharwall, V
Utgikar, BM Fronk, 2020 ANS (American Nuclear
Society) Annual Meeting, June 8-11, 2020.
“Photodecomposition of
Organoiodides to Molecular Iodine as
Pretreatment for Adsorption,” J Stanford, N van
Rooyen, T Vaidya, K Raja, P Sabharwall, V
Utgikar, 2020 ANS Annual Meeting, June 8-11,
2020.
“Transient Effects and
Material Challenges in Developing
Chemical/Absorption Heat Pumps for Nuclear
Energy Thermal Storage and Upgrade,” PD Armatis,
A Gupta, P Sabharwall, V Utgikar, BM Fronk, 2019
Winter ANS Meeting, November 17-21, 2019,
Washington, DC.
“Performance of an
Experimental Ca(OH)2/CaO Chemical
Heat Pump Under Repeated Thermal Cycling,” A
Gupta, PD Armatis, P Sabharwall, V Utgikar, BM
Fronk, 2019 Winter ANS Meeting, November 17-21,
2019, Washington, DC.
“Electrochemical Behavior
of Tellurium Species in LiCl-KCl Molten Salts,”
B Day, N Shrestha, V Utgikar, KS Raja, G
Fredrickson, S Frank, 2019 Winter ANS Meeting,
November 17-21, 2019, Washington, DC.
“Redox Behavior of Iodide
Species in LiCl-KCl at 450 – 550 °C,” N
Shrestha, B Day, V Utgikar, KS Raja, G
Fredrickson, S Frank, 2019 Winter ANS Meeting,
November 17-21, 2019, Washington, DC.
“Chemical Heat Pumps,”
Vivek P. Utgikar, Brian M. Fronk, Piyush
Sabharwall, MIT-INL Workshop on Heat Storage for
Gen IV Reactors for Variable Electricity from
Base-Load Reactors, Idaho Falls, ID, July 23-24,
2019.
“Potential of
Chemical-Absorption Heat Pumps for
Thermoamplification in Nuclear Hybrid Energy
Systems,” PD Armatis, A Gupta, P Sabharwall, V
Utgikar, BM Fronk, 2019 ANS Annual Meeting, June
9-13, 2019, Minneapolis, MN.
“Experimental
Investigation and Analysis of Ca(OH)2/CaO
Chemical Heat Pump for Thermal Energy Storage, A
Gupta, PD Armatis, P Sabharwall, V Utgikar, BM
Fronk, 2019 ANS Annual Meeting, June 9-13, 2019,
Minneapolis, MN.
“Dynamic Sorption Studies
of Organoiodine Species on Silver-Mordenite,” T
Vaidya, V Utgikar, KS Raja, P Sabharwall, 2019
ANS Annual Meeting, June 9-13, 2019,
Minneapolis, MN.
“Hydrodynamics of
Extraction Devices: Residence Time Distribution
in Centrifugal Extractors,” J Perko, V Utgikar,
K Lyon, 2019 ANS Annual Meeting, June 9-13,
2019, Minneapolis, MN.
“A Mass Transfer Model for
the Adsorption of Iodine and Krypton on
Engelhard Titanosilicate-10 Supported Carbon
Nano-Polyhedrons,” K Coldsnow, S Nandanwar, V
Utgikar, P Saharwall, 2017 ANS Winter Meeting,
October 29-November 2, 2017, Washington, DC,
USA.
“Effect of Moisture on the
Adsorption of Iodine and Krypton in
Multicomponent Streams on the 10 wt% C/ETS-10
Sorbent,” K Coldsnow, S Nandanwar, A Porter, V
Utgikar, P Sabharwall, DE Aston, 2017 ANS Annual
Meeting, June 11-15, 2017, San Francisco, CA,
USA.
“Experimental
and Numerical Study of Heat Transfer and Pressure
Drop in a High-Temperature Printed Circuit Heat
Exchanger,” M Chen, S Shi,
X Sun, RN Christensen, I Skavdahl, V
Utgikar, P Sabharwall, 8th
International Topical Meeting on High Temperature
Reactor Technology 2016 (HTR2016), November 6-10,
2016, Las Vegas, NV.
“Development of a
Thermal-Hydraulic Analysis Code for an FHR,” M Chen, X
Sun, RN Christensen, S Shi, I Skavdahl,
V Utgikar, P Sabharwall, 11th
International Topical Meeting on Nuclear Reactor
Thermal Hydraulics, Operation and Safety
(NUTHOS-11), October 9-13, 2016, Gyeongju, South
Korea.
“Helium Brayton Cycle Design
for Advanced High Temperature Reactor System,” I
Skavdahl, V Utgikar, R Christensen, P Sabharwall,
M Chen, X Sun, 2016 ANS Winter Meeting, November
6-10, 2016, Las Vegas, NV.
“Multicomponent Adsorption of
Radioactive Iodine and Krypton using ETS-10
Supported Carbon Nano-Polyhedrons,” K Coldsnow, SU
Nandanwar, A Porter, V Utgikar, P Sabharwall, DE
Aston, 2016 ANS Winter Meeting, November 6-10,
2016, Las Vegas, NV.
“Porous C@ETS-10 Sorbent for
Capture of Krypton from Off-Gas Stream in Nuclear
Power Plants,” SU Nandanwar, K Coldsnow, VP
Utgikar, P Sabharwall, DE Aston, 2016
International Congress on Advances in Nuclear
Power Plants ICAPP 2016, April 2016, San
Francisco, CA.
“Capacity of ETS-10 Supported
Carbon Nanosorbent for Removal of Multicomponent
from Off-Gas Stream,” KM Coldsnow, SU Nandanwar, A
Porter, VP Utgikar, P Sabharwall, DE Aston, 2016
Annual meeting of the American Nuclear Society
(ANS), June 2016, New Orleans, Louisiana.
“Simulation of Advanced High
Temperature Reactor Control System using MATLAB,”
I Skavdahl, V Utgikar, P Sabharwall, M Chen, X
Sun, R Christensen, 2015 Winter meeting of the
American Nuclear Society (ANS), November 2015,
Washington, DC.
“Adsorption of Volatile Iodine
from Off-Gas Stream using ETS-10 Supported Hollow
Carbon Nanosorbent,” SU Nandanwar, K Coldsnow, M
Green, V Utgikar, P Sabharwall, DE Aston, 2015
Winter meeting of the ANS, November 2015,
Washington, DC.