Roy E. Hogan
Sandia National Laboratories
Chemical reactorNuclear engineeringPhysicsRecuperatorThermal conductionChemistryMaterials scienceThermalProcess engineeringWater splittingThermal efficiencyHeat transferMethaneSolar energyThermochemical cycleHeat engineMechanicsAbsorption (electromagnetic radiation)Radiative transferThermal radiationThermodynamics
38Publications
9H-index
570Citations
Publications 32
Newest
#1John Tencer (SNL: Sandia National Laboratories)H-Index: 6
#2Kevin Carlberg (SNL: Sandia National Laboratories)H-Index: 18
Last. Roy E. Hogan (SNL: Sandia National Laboratories)H-Index: 9
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Source
#1R. E. Spalding (SNL: Sandia National Laboratories)H-Index: 11
#2John Tencer (SNL: Sandia National Laboratories)H-Index: 6
Last. Pavel SpurnýH-Index: 27
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Concurrent sound associated with very bright meteors manifests as popping, hissing, and faint rustling sounds occurring simultaneously with the arrival of light from meteors. Numerous instances have been documented with –11 to –13 brightness. These sounds cannot be attributed to direct acoustic propagation from the upper atmosphere for which travel time would be several minutes. Concurrent sounds must be associated with some form of electromagnetic energy generated by the meteor, propagated to t...
Source
#1John Tencer (SNL: Sandia National Laboratories)H-Index: 6
#2Kevin Carlberg (SNL: Sandia National Laboratories)H-Index: 18
Last. Marvin E. Larsen (SNL: Sandia National Laboratories)H-Index: 5
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Source
#1John TencerH-Index: 6
#2Kevin CarlbergH-Index: 18
Last. Roy E. HoganH-Index: 9
view all 4 authors...
Source
#1John TencerH-Index: 6
#2Kevin CarlbergH-Index: 18
Last. Marvin E. LarsenH-Index: 5
view all 4 authors...
#1Richard B. DiverH-Index: 18
#2James E. MillerH-Index: 33
Last. Roy E. HoganH-Index: 9
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#1John TencerH-Index: 6
Last. Flint PierceH-Index: 11
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#1Andrea AmbrosiniH-Index: 17
#2James E. MillerH-Index: 5
Last. Anthony H. McDanielH-Index: 26
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Despite rapid progress, solar thermochemistry remains high risk; improvements in both active materials and reactor systems are needed. This claim is supported by studies conducted both prior to and as part of this project. Materials offer a particular large opportunity space as, until recently, very little effort apart from basic thermodynamic analysis was extended towards understanding this most fundamental component of a metal oxide thermochemical cycle. Without this knowledge, system design w...
Source
#1Roy E. HoganH-Index: 9
#3Darryl L. JamesH-Index: 12
Last. Richard B. DiverH-Index: 18
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#1Roy E. Hogan (SNL: Sandia National Laboratories)H-Index: 9
#2James E. Miller (SNL: Sandia National Laboratories)H-Index: 33
Last. Ken Shuang Chen (SNL: Sandia National Laboratories)H-Index: 4
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“Sunshine to Petrol” is a grand-challenge research project at Sandia National Laboratories with the objective of creating a technology for producing feedstocks for making liquid fuels by splitting carbon dioxide (and water) using concentrated solar energy [1]. A reactor-level performance model is described for computing the solar-driven thermochemical splitting of carbon dioxide via a two-step metal-oxide cycle. The model simulates the thermochemical performance of the Counter-Rotating-Ring Rece...
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