Results 91 to 100 of about 419,560 (212)

Re‐evaluation of a soft crested Edmontosaurin, with implications for hadrosaurid life appearance and diversity

The Anatomical Record, Volume 309, Issue 10, Page 2636-2655, October 2026.
Abstract Hadrosaurid dinosaurs are generally regarded as “crested” or “non‐crested” depending on the presence or absence of a bony cranial crest. At least one supposedly “non‐crested” hadrosaur is known to have possessed a soft tissue cranial crest (or comb), based on an exceptionally preserved “mummified” specimen. Here we redescribe this specimen and
Henry S. Sharpe, Phil R. Bell, Ian Baylatry, Robin Sissons, Corwin Sullivan   +4 more
wiley   +1 more source

Pebble dynamics and thermal-fluid analysis of high-temperature gas-cooled pebble bed reactors using DEM and CFD simulations

Frontiers in Nuclear Engineering
This study presents a multiphysics computational simulation framework for analyzing pebble dynamics and thermal-fluid behavior in High-Temperature Gas-Cooled Pebble Bed Reactors (HTG-PBR).
Kashminder S. Mehta, Braden Goddard, Zeyun Wu   +2 more
doaj   +1 more source

Modelling of HTR (High Temperature Reactor) Pebble-Bed 10 MW to Determine Criticality as A Variations of Enrichment and Radius of the Fuel (Kernel) With the Monte Carlo Code MCNP4C

International Journal of Science and Engineering, 2015
Gas-cooled nuclear reactor is a Generation IV reactor which has been receiving significant attention due to many desired characteristics such as inherent safety, modularity, relatively low cost, short construction period, and easy financing.
Hammam Oktajianto, Evi Setiawati, Very Richardina   +2 more
doaj   +1 more source

Screening of Ceramic Filler Materials for a Packed‐Bed Thermal Energy Storage System With Lead as Heat Transfer Fluid

Energy Storage, Volume 8, Issue 7, October 2026.
ABSTRACT Liquid lead (Pb) is an attractive heat transfer fluid (HTF) for packed‐bed thermal energy storage (TES) systems aimed for high temperatures. However, liquid Pb is corrosive and its corrosivity increases with rising temperature. Therefore, compatibility tests of possible filler materials with Pb are mandatory.
Annette Heinzel, Anisa Purwitasari, Renate Fetzer, Alfons Weisenburger, Klarissa Niedermeier   +4 more
wiley   +1 more source

Study of Pressure Drop in Fixed Bed Reactor Using a Computational Fluid Dynamics (CFD) Code

ChemEngineering, 2018
Pressure drops of water and critical steam flowing in the fixed bed of mono-sized spheres are studied using SolidWorks 2017 Flow Simulation CFD code. The effects of the type of bed formation, flow velocity, density, and pebble size are evaluated.
Soroush Ahmadi, Farhang Sefidvash
doaj   +1 more source

Habitat Preferences and Distribution of Ephemera orientalis (Ephemeroptera: Ephemeridae) in the Hangang River, South Korea

Entomological Research, Volume 56, Issue 10, October 2026.
ABSTRACT This study characterized the spatial distribution patterns and habitat preference of Ephemera orientalis larvae in the Hangang River based on four surveys conducted in April, June, August, and October 2024. Field surveys were conducted at 10 sites along a 24 km reach, with five cross‐sectional sampling points per site.
Hyun Lee, Dong Gun Kim
wiley   +1 more source

Electrical behaviour of ceramic breeder blankets in pebble form after γ-radiation

Nuclear Materials and Energy, 2015
Lithium orthosilicate (Li4SiO4) ceramics in from of pebble bed is the European candidate for ITER testing HCPB (Helium Cooled Pebble Bed) breeding modules.
E. Carella, T. Hernández, B. Moreno, E. Chinarro   +3 more
doaj   +1 more source

Spatial and temporal evolution of a coastal erg margin: The Middle Jurassic Page Sandstone, southern Utah, USA

Sedimentology, Volume 73, Issue 6, Page 2081-2119, October 2026.
ABSTRACT Aeolian deflationary events are erosive to static stages where sediment supply is insufficient to support bedform migration and preservation in the rock record. In the vicinity of shallow‐marine environments, inland rises of relative water table and associated generation of deflationary super surfaces may be driven by the onset of ...
Victor J. P. Hême de Lacotte, Chester H. C. Davies, Briony J. Bowler, Stuart M. Clarke, Thomas J. H. Dodd   +4 more
wiley   +1 more source

STUDI SENSITIVITAS KETINGGIAN TERAS REAKTOR DALAM DESAIN HTR PEBBLE BED [PDF]

, 2013
STUDI SENSITIVITAS KETINGGIAN TERAS REAKTOR DALAM DESAIN HTRPEBBLE BED. HTR pebble bed adalah reaktor temperatur tinggi berbahan bakar pebble danberpendingin gas helium dengan teras densitas daya rendah.
Zuhair, Zuhair, Rokhmadi, Rokhmadi
core   +1 more source

Outcrop and subsurface characterisation of a mixed tidal and wave‐influenced coastline (Triassic Red Beds, SE Spain)

Sedimentology, Volume 73, Issue 6, Page 2381-2416, October 2026.
ABSTRACT Paralic depositional systems are complex and heterogeneous sedimentary environments, presenting challenges for predicting reservoir architecture and connectivity. Their stratigraphic and facies variability arises from the dynamic interplay between fluvial, tidal and wave processes, and their sensitivity to sea‐level fluctuations, sediment ...
Luis Miguel Yeste, Marc Gil‐Ortiz, Neil David McDougall, Patricia Cabello, César Viseras   +4 more
wiley   +1 more source