Search Results - "Crimaldi, John P."

Quantification of airborne odor plumes using planar laser-induced fluorescence by Connor, Erin G., McHugh, Margaret K., Crimaldi, John P.

“…Planar laser-induced fluorescence (PLIF) is used to quantify spatiotemporal structure of gaseous scalar plumes (Sc ≈ 1.5 ) in a benchtop-scale low-speed wind…”
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Experiments and Simulations on Plume Spreading by Engineered Injection and Extraction in Refractive Index Matched Porous Media by Sather, Lauren J., Roth, Eric J., Neupauer, Roseanna M., Crimaldi, John P., Mays, David C.

“…Engineered injection and extraction (EIE) is an in situ groundwater remediation strategy that imposes an engineered spatially and temporally varying velocity…”
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Elementary sensory-motor transformations underlying olfactory navigation in walking fruit-flies by Álvarez-Salvado, Efrén, Licata, Angela M, Connor, Erin G, McHugh, Margaret K, King, Benjamin Mn, Stavropoulos, Nicholas, Victor, Jonathan D, Crimaldi, John P, Nagel, Katherine I

“…Odor attraction in walking is commonly used to relate neural function to behavior, but the algorithms underlying attraction are unclear. Here, we develop a…”
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Commercial toilets emit energetic and rapidly spreading aerosol plumes by Crimaldi, John P., True, Aaron C., Linden, Karl G., Hernandez, Mark T., Larson, Lars T., Pauls, Anna K.

“…Aerosols can transmit infectious diseases including SARS-CoV-2, influenza and norovirus. Flushed toilets emit aerosols that spread pathogens contained in…”
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Information-theoretic analysis of realistic odor plumes: What cues are useful for determining location? by Boie, Sebastian D, Connor, Erin G, McHugh, Margaret, Nagel, Katherine I, Ermentrout, G Bard, Crimaldi, John P, Victor, Jonathan D

“…Many species rely on olfaction to navigate towards food sources or mates. Olfactory navigation is a challenging task since odor environments are typically…”
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Behavioral discrimination and olfactory bulb encoding of odor plume intermittency by Gumaste, Ankita, Baker, Keeley L, Izydorczak, Michelle, True, Aaron C, Vasan, Ganesh, Crimaldi, John P, Verhagen, Justus

“…In order to survive, animals often need to navigate a complex odor landscape where odors can exist in airborne plumes. Several odor plume properties change…”
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Effect of steady and unsteady flow on chemoattractant plume formation and sperm taxis by Bell, Allison F., Crimaldi, John P.

“…The formation of chemoattractant plumes around benthic invertebrate eggs in steady and unsteady shear flows is investigated for a range of shear rates, and the…”
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Morphologic and transport properties of natural organic floc by Larsen, Laurel G, Harvey, Judson W, Crimaldi, John P

“…The morphology, entrainment, and settling of suspended aggregates (“floc”) significantly impact fluxes of organic carbon, nutrients, and contaminants in…”
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Simple olfactory navigation in air and water by Ouyang, Bowei, True, Aaron C., Crimaldi, John P., Ermentrout, Bard

“…Two simple algorithms based on combining odor concentration differences across time and space along with information on the flow direction are tested for their…”
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Predicting organic floc transport dynamics in shallow aquatic ecosystems: Insights from the field, the laboratory, and numerical modeling by Larsen, Laurel G, Harvey, Judson W, Noe, Gregory B, Crimaldi, John P

“…Transport of particulate organic material can impact watershed sediment and nutrient budgets and can alter the geomorphologic evolution of shallow aquatic…”
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Distortion of passive scalar structure during suction-based plume sampling by True, Aaron C., Crimaldi, John P.

“…Studies of plume dynamics and olfaction often rely on photoionization detectors (PID) to quantify spatiotemporal distributions of passive scalars (gases,…”
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The role of structured stirring and mixing on gamete dispersal and aggregation in broadcast spawning by Crimaldi, John P

“…Broadcast-spawning benthic invertebrates synchronously release sperm and eggs from separate locations into the surrounding flow, whereupon the process depends…”
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Lobster Sniffing: Antennule Design and Hydrodynamic Filtering of Information in an Odor Plume by Koehl, M. A. R., Koseff, Jeffrey R., Crimaldi, John P., McCay, Michael G., Cooper, Tim, Wiley, Megan B., Moore, Paul A.

“…The first step in processing olfactory information, before neural filtering, is the physical capture of odor molecules from the surrounding fluid. Many animals…”
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Olfactory Navigation and the Receptor Nonlinearity by Victor, Jonathan D, Boie, Sebastian D, Connor, Erin G, Crimaldi, John P, Ermentrout, G Bard, Nagel, Katherine I

“…The demands on a sensory system depend not only on the statistics of its inputs but also on the task. In olfactory navigation, for example, the task is to find…”
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Contributions of Pore‐Scale Mixing and Mechanical Dispersion to Reaction During Active Spreading by Radial Groundwater Flow by Neupauer, Roseanna M., Sather, Lauren J., Mays, David C., Crimaldi, John P., Roth, Eric J.

“…Spreading and mixing are complementary processes that promote reaction of two reactive aqueous solutes present in contiguous plumes in groundwater. Spreading…”
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Olfactory navigation in the real world: Simple local search strategies for turbulent environments by Hengenius, James B., Connor, Erin G., Crimaldi, John P., Urban, Nathaniel N., Ermentrout, G. Bard

“…•We simulate two olfactory navigation strategies: tropotaxis and klinotaxis.•Both strategies locate point sources, trails, and plumes; they can also follow…”
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The Physics of Broadcast Spawning in Benthic Invertebrates by Crimaldi, John P, Zimmer, Richard K

“…Most benthic invertebrates broadcast their gametes into the sea, whereupon successful fertilization relies on the complex interaction between the physics of…”
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Demonstration of Reversible Dispersion in a Darcy-Scale Push-Pull Laboratory Experiment by Neupauer, Roseanna M., Roth, Eric J., Crimaldi, John P., Mays, David C., Sather, Lauren J.

“…A solute transport experiment was conducted in a 50 cm × 50 cm × 4.4 cm apparatus filled with monodisperse glass beads and glycerin, using Rhodamine 6G dye as…”
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Active Spreading: Hydraulics for Enhancing Groundwater Remediation by Sather, Lauren J, Neupauer, Roseanna M, Mays, David C, Crimaldi, John P, Roth, Eric J

“…AbstractDuring in situ groundwater remediation, reactions occur in a narrow reaction front in which the amendment and contaminant are close enough to mix…”
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The relationship between mean and instantaneous structure in turbulent passive scalar plumes by Crimaldi, John P, Wiley, Megan B, Koseff, Jeffrey R

“…Laboratory investigations of a turbulent scalar plume are performed to investigate the relationship between instantaneous scalar structure and the resulting…”
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