Search Results - "Myhre, Kristian G"

Monitoring Noble Gases (Xe and Kr) and Aerosols (Cs and Rb) in a Molten Salt Reactor Surrogate Off-Gas Stream Using Laser-Induced Breakdown Spectroscopy (LIBS) by Andrews, Hunter B., McFarlane, Joanna, Myhre, Kristian G.

“…This study with surrogate materials shows that laser-induced breakdown spectroscopy (LIBS) is a robust tool with promising capability toward monitoring gaseous…”
Get full text

Quantification of Lanthanides in a Molten Salt Reactor Surrogate Off-Gas Stream Using Laser-Induced Breakdown Spectroscopy by Andrews, Hunter B., Myhre, Kristian G.

“…To enable the deployment of molten salt reactor technology, the development of off-gas treatment systems and advanced monitoring tools capable of operating…”
Get full text

Chemometrics and Experimental Design for the Quantification of Nitrate Salts in Nitric Acid: Near-Infrared Spectroscopy Absorption Analysis by Sadergaski, Luke R., Toney, Gretchen K., Delmau, Laetitia H., Myhre, Kristian G.

“…Implementing remote, real-time spectroscopic monitoring of radiochemical processing streams in hot cell environments requires efficiency and simplicity. The…”
Get full text

Monitoring the Caustic Dissolution of Aluminum Alloy in a Radiochemical Hot Cell Using Raman Spectroscopy by Sadergaski, Luke R., DePaoli, David W., Myhre, Kristian G.

“…Chemical processing of highly radioactive materials commonly takes place in heavily shielded hot cells. The remote, real-time monitoring of chemical processing…”
Get full text

Europium and samarium separation using ion exchange between molten salts and beta"-alumina by Myhre, Kristian G., Knowles, Justin R., Du, Miting

“…The separation of Eu and Sm from each other is made difficult by their shared preference to be a trivalent cation as well as their similar ionic radii. A new…”
Get full text

Laser Induced Breakdown Spectroscopy analysis of europium and samarium in aluminum oxide by Myhre, Kristian G., Mehta, Mihir J., Martin, Madhavi Z., Du, Miting

“…The use of Laser Induced Breakdown Spectroscopy as a technique for analysis of europium and samarium concentrations in ceramic aluminum oxide samples was…”
Get full text

Concept for an irradiation experiment to test a laser-induced breakdown spectroscopy off-gas sensor for molten salt systems by Andrews, Hunter B., Myhre, Kristian G., McFarlane, Joanna

“…This paper focuses on laser-induced breakdown spectroscopy (LIBS) as an off-gas sensor and details a conceptual irradiation experiment to evaluate its…”
Get full text

Interaction of beryllium with 316H stainless steel in molten Li2BeF4 (FLiBe) by Keiser, James R, Singh, Preet M, Lance, Michael J., Meyer, Harry M., Myhre, Kristian G., Lowe, Tracie M., Sulejmanovic, Dino, Cakmak, Ercan, Cox, Victoria A., Hawkins, C. Shane, Willoughby, Adam W.

“…The increased demand in renewable energy resources has led to a renewed interest in nuclear reactors including a new generation of molten salt reactors. One of…”
Get full text

Multivariate chemometric methods and Vis-NIR spectrophotometry for monitoring plutonium-238 anion exchange column effluent in a radiochemical hot cell by Sadergaski, Luke R., Myhre, Kristian G., Delmau, Laetitia H.

“…•Novel unsupervised multivariate analysis data modeling method.•Effective means to guide process decisions and optimize separations.•Practical alternative to…”
Get full text

Rapid dissolution of PuO2 analytical samples using mediated electrochemical oxidation by Woods, Michael E., Benny, Paul D., Unger, Aaron J., Phongikaroon, Supathorn, Myhre, Kristian G.

“…Current methods for quantitative dissolution of solid PuO 2 involve lengthy dissolution times. The adaptation of mediated electrochemical oxidation, which uses…”
Get full text

Non-destructive characterization of advanced nuclear fuel materials using neutron imaging by Zhang, Yuxuan, Myhre, Kristian G., Bilheux, Hassina Z., Johnson, Jared A., Bilheux, Jean C., Parish, Chad M., Miskowiec, Andrew J., Hunt, Rodney D., Lin, Jiao Y.Y.

“…Attenuation-based neutron computed tomography (CT) has been used to non-destructively characterize the uncoated tristructural-isotropic (TRISO) nuclear fuel…”
Get full text

Effects of annealing on fission fragment release from electrodeposited Cf-252 thin-films by Myhre, Kristian G., Burns, Jonathan D., Sims, Nathan J., Stracener, Daniel W., Boll, Rose A.

“…Samarium thin-films doped with a252Cf radiotracer were used to study the effects of annealing on the release of fission fragments from electrodeposited films…”
Get full text

Effects of annealing on fission fragment release from electrodeposited Cf-252 thin-films by Myhre, Kristian G., Burns, Jonathan, Sims, Nathan J., Stracener, Dan W., Boll, Rose A.

“…In this work, samarium thin-films doped with a 252Cf radiotracer were used to study the effects of annealing on the release of fission fragments from…”
Get full text

Europium and samarium separation using ion exchange between molten salts and beta“-alumina by Myhre, Kristian G., Knowles, Justin R., Du, Miting

“…The separation of Eu and Sm from each other is made difficult by their shared preference to be a trivalent cation as well as their similar ionic radii. A new…”
Get full text

Review of molten salt reactor off-gas management considerations by Andrews, Hunter B., McFarlane, Joanna, Chapel, A. Shay, Ezell, N. Dianne Bull, Holcomb, David E., de Wet, Dane, Greenwood, Michael S., Myhre, Kristian G., Bryan, Samuel A., Lines, Amanda, Riley, Brian J., Felmy, Heather M., Humrickhouse, Paul W.

“…Molten salt reactors offer a wide range of potential benefits but pose some unique challenges, particularly for designs that use an unclad liquid salt fuel…”
Get full text

Rapid dissolution of PuO.sub.2 analytical samples using mediated electrochemical oxidation by Woods, Michael E, Benny, Paul D, Unger, Aaron J, Phongikaroon, Supathorn, Myhre, Kristian G

“…Current methods for quantitative dissolution of solid PuO.sub.2 involve lengthy dissolution times. The adaptation of mediated electrochemical oxidation, which…”
Get full text

Effects of annealing temperature on morphology and thickness of samarium electrodeposited thin films by Burns, Jonathan D., Myhre, Kristian G., Sims, Nathan J., Stracener, Daniel W., Boll, Rose A.

“…Electroplated depositions of Sm were prepared using a vertical well-type electrodeposition unit with an aqueous ammonium acetate electrolyte system, with an…”
Get full text

Review of molten salt reactor off-gas management considerations by Andrews, Hunter B., McFarlane, Joanna, Chapel, A. Shay, Ezell, N. Dianne Bull, Holcomb, David Eugene, de Wet, Dane, Greenwood, Michael S., Myhre, Kristian G., Bryan, Samuel A., Lines, Amanda, Riley, Brian J., Felmy, Heather M., Humrickhouse, Paul W.

“…Molten salt reactors offer a wide range of potential benefits but pose some unique challenges, particularly for designs that use an unclad liquid salt fuel…”
Get full text