Search Results - "Whyte, Colin"

The geochemistry of naturally occurring methane and saline groundwater in an area of unconventional shale gas development by Harkness, Jennifer S., Darrah, Thomas H., Warner, Nathaniel R., Whyte, Colin J., Moore, Myles T., Millot, Romain, Kloppmann, Wolfram, Jackson, Robert B., Vengosh, Avner

“…Since naturally occurring methane and saline groundwater are nearly ubiquitous in many sedimentary basins, delineating the effects of anthropogenic…”
Get full text

Feedhorn synthesis using a parameterized aperture field distribution by Zhang, Liang, Whyte, Colin G., Donaldson, Craig R., Ronald, Kevin, Cross, Adrian W.

“…In this paper, we present an improved method for synthesizing smooth-profiled horns. A direct connection between the mode compositions and far-field parameters…”
Get full text

Geochemical evidence for fugitive gas contamination and associated water quality changes in drinking-water wells from Parker County, Texas by Whyte, Colin J., Vengosh, Avner, Warner, Nathaniel R., Jackson, Robert B., Muehlenbachs, Karlis, Schwartz, Franklin W., Darrah, Thomas H.

“…Extensive development of horizontal drilling and hydraulic fracturing enhanced energy production but raised concerns about drinking-water quality in areas of…”
Get full text

Sub-THz and THz Cherenkov radiation source with two-dimensional periodic surface lattice and multistage depressed collector by MacLachlan, Amy J., Zhang, Liang, Konoplev, Ivan V., Phelps, Alan D. R., Robertson, Craig W., MacInnes, Philip, Whyte, Colin G., Ronald, Kevin, Cross, Adrian W., Henderson, Mark A.

“…We present the theory, concept and design of an efficient, megawatt coherent Cherenkov radiation source based on a two-dimensional periodic surface lattice…”
Get full text

Dispersion Curve of the Helically Corrugated Waveguide Based on Helicoidal Coordinate Transform by Zhang, Liang, Easton, Jack, Donaldson, Craig R., Whyte, Colin G., Cross, Adrian W.

“…This article presents the dispersion curve study of the helically corrugated waveguide (HCW) using the 2-D finite element method (FEM) method based on the…”
Get full text

Naturally Occurring versus Anthropogenic Sources of Elevated Molybdenum in Groundwater: Evidence for Geogenic Contamination from Southeast Wisconsin, United States by Harkness, Jennifer S., Darrah, Thomas H., Moore, Myles T., Whyte, Colin J., Mathewson, Paul D., Cook, Tyson, Vengosh, Avner

“…Molybdenum (Mo) is an essential trace nutrient but has negative health effects at high concentrations. Groundwater typically has low Mo (<2 μg/L), and elevated…”
Get full text

Low-Loss Transmission Line for a 3.4-kW, 93-GHz Gyro-Traveling-Wave Amplifier by Donaldson, Craig R., Zhang, Liang, He, Wenlong, Cross, Adrian W., Ronald, Kevin, Whyte, Colin G.

“…In this article, a transmission line system for the propagation of millimeter-wave radiation is presented. The full system includes a TE 11 -to-TE 01 mode…”
Get full text

Fivefold Helically Corrugated Waveguide for High-Power W-Band Gyro-Devices and Pulse Compression by Donaldson, Craig R., Zhang, Liang, Hiscock, Peter, Harris, Michael, Beardsley, Matthew J., Huggard, Peter G., Whyte, Colin G., Cross, Adrian W., He, Wenlong

“…The design, simulation, manufacture, and measurement of a <inline-formula> <tex-math notation="LaTeX">{W} </tex-math></inline-formula>-band fivefold (5F)…”
Get full text

8-Fold Helically Corrugated Interaction Region for High Power Gyroresonant THz Sources by Donaldson, Craig R., Zhang, Liang, Harris, Michael, Beardsley, Matthew J., Huggard, Peter G., Whyte, Colin G., Cross, Adrian W., He, Wenlong

“…A manufacturing study of a 0.372 THz 8-fold (8F) helically corrugated interaction region (HCIR) and measurement of its wave dispersion characteristics are…”
Get full text

Beam dynamic study of a Ka-band microwave undulator and its potential drive sources by Zhang, Liang, Donaldson, Craig R., Clarke, Jim, Easton, Jack, Robertson, Craig W., Whyte, Colin G., Cross, Adrian W.

“…Microwave undulators (MUs) have great potential to be an alternative solution to permanent magnet undulators in a free electron laser (FEL) when shorter…”
Get full text

Numerical Analysis of High-Power X-Band Sources, at Low Magnetic Confinement, for Use in a Multisource Array by Macinnes, Philip, Donaldson, Craig R., Whyte, Colin G., MacLachlan, Amy J., Ronald, Kevin, Phelps, Alan D. R., Cross, Adrian W.

“…High-power microwave sources are typically relativistic in nature, employing multi-kilo-ampere electron beams that require significant magnetic confinement for…”
Get full text

Numerical and Experimental Validation of the Passive Performance of a Coharmonic Gyro-Multiplier Interaction Region by Constable, David A., Phelps, Alan D. R., Whyte, Colin G., He, Wenlong, Cross, Adrian W., Ronald, Kevin

“…The azimuthally rippled cavity for a large-orbit, coharmonic gyro-multiplier, designed to operate at the second and fourth harmonics, at frequencies of 37.5…”
Get full text

Limited underthrusting of India below Tibet: 3 He/ 4 He analysis of thermal springs locates the mantle suture in continental collision by Klemperer, Simon L, Zhao, Ping, Whyte, Colin J, Darrah, Thomas H, Crossey, Laura J, Karlstrom, Karl E, Liu, Tianze, Winn, Carmen, Hilton, David R, Ding, Lin

“…During continent–continent collision, does the downgoing continental plate underplate far inboard of the collisional boundary or does it subduct steeply into…”
Get full text

Limited underthrusting of India below Tibet: 3He/4He analysis of thermal springs locates the mantle suture in continental collision by Klemperer, Simon L, Zhao, Ping, Whyte, Colin J, Darrah, Thomas H, Crossey, Laura J, Karlstrom, Karl E, Liu, Tianze, Winn, Carmen, Hilton, David R, Ding, Lin

“…During continent–continent collision, does the downgoing continental plate underplate far inboard of the collisional boundary or does it subduct steeply into…”
Get full text

Structural and Hydrogeological Controls on Hydrocarbon and Brine Migration into Drinking Water Aquifers in Southern New York by Kreuzer, Rebecca L., Darrah, Thomas H., Grove, Benjamin S., Moore, Myles T., Warner, Nathaniel R., Eymold, William K., Whyte, Colin J., Mitra, Gautam, Jackson, Robert B., Vengosh, Avner, Poreda, Robert J.

“…Environmental concerns regarding the potential for drinking water contamination in shallow aquifers have accompanied unconventional energy development in the…”
Get full text

Hydrocarbon‐Rich Groundwater above Shale‐Gas Formations: A Karoo Basin Case Study by Eymold, William K., Swana, Kelley, Moore, Myles T., Whyte, Colin J., Harkness, Jennifer S., Talma, Siep, Murray, Ricky, Moortgat, Joachim B., Miller, Jodie, Vengosh, Avner, Darrah, Thomas H.

“…Horizontal drilling and hydraulic fracturing have enhanced unconventional hydrocarbon recovery but raised environmental concerns related to water quality…”
Get full text

Multi-Mode Coupling Wave Theory for Helically Corrugated Waveguide by Liang Zhang, Wenlong He, Ronald, K., Phelps, A. D. R., Whyte, C. G., Robertson, C. W., Young, A. R., Donaldson, C. R., Cross, A. W.

“…Helically corrugated waveguide has been used in various applications such as gyro-backward wave oscillators, gyro-traveling wave amplifier and microwave pulse…”
Get full text

A reconnaissance analysis of groundwater quality in the Eagle Ford shale region reveals two distinct bromide/chloride populations by Hildenbrand, Zacariah L., Carlton, Doug D., Meik, Jesse M., Taylor, Josh T., Fontenot, Brian E., Walton, Jayme L., Henderson, Drew, Thacker, Jonathan B., Korlie, Stephanie, Whyte, Colin J., Hudak, Paul F., Schug, Kevin A.

“…The extraction of oil and natural gas from unconventional shale formations has prompted a series of investigations to examine the quality of the groundwater in…”
Get full text

Pre‐drill Groundwater Geochemistry in the Karoo Basin, South Africa by Harkness, Jennifer S., Swana, Kelley, Eymold, William K., Miller, Jodie, Murray, Ricky, Talma, Siep, Whyte, Colin J., Moore, Myles T., Maletic, Erica L., Vengosh, Avner, Darrah, Thomas H.

“…Enhanced production of unconventional hydrocarbons in the United States has driven interest in natural gas development globally, but simultaneously raised…”
Get full text

LhARA: The Laser-hybrid Accelerator for Radiobiological Applications by Aymar, Galen, Becker, Tobias, Boogert, Stewart, Borghesi, Marco, Bingham, Robert, Brenner, Ceri, Burrows, Philip N., Ettlinger, Oliver C., Dascalu, Titus, Gibson, Stephen, Greenshaw, Timothy, Gruber, Sylvia, Gujral, Dorothy, Hardiman, Claire, Hughes, Jonathan, Jones, W. G., Kirkby, Karen, Kurup, Ajit, Lagrange, Jean-Baptiste, Long, Kenneth, Luk, Wayne, Matheson, John, McKenna, Paul, McLauchlan, Ruth, Najmudin, Zulfikar, Lau, Hin T., Parsons, Jason L., Pasternak, Jaroslaw, Pozimski, Juergen, Prise, Kevin, Puchalska, Monika, Ratoff, Peter, Schettino, Giuseppe, Shields, William, Smith, Susan, Thomason, John, Towe, Stephen, Weightman, Peter, Whyte, Colin, Xiao, Rachel

“…The “Laser-hybrid Accelerator for Radiobiological Applications,” LhARA, is conceived as a novel, flexible facility dedicated to the study of radiobiology. The…”
Get full text