Results 41 to 50 of about 3,362 (262)

Identification of hydrogen flammability in steam generator compartment of OPR1000 using MELCOR and CFX codes

Nuclear Engineering and Technology, 2019
The MELCOR code useful for a plant-specific hydrogen risk analysis has inevitable limitations in prediction of a turbulent flow of a hydrogen mixture. To investigate the accuracy of the hydrogen risk analysis by the MELCOR code, results for the turbulent
Joongoo Jeon, Yeon Soo Kim, Wonjun Choi, Sung Joong Kim   +3 more
doaj   +1 more source

Hydrogen Permeability of Tubular Polymer Membranes for Biological Methanation Membrane Reactors

Journal of Applied Polymer Science, EarlyView.
A reproducible method for permeability measurements of tubular polymer membranes is developed and combined with a comprehensive review of hydrogen permeability data. Based on this analysis, a suitable tubular polymer membrane is identified for application in biological methanation within membrane reactors.
Maximilian Peter Mock, Maria Bieringer, Raimund Brotsack, Stephan Leyer   +3 more
wiley   +1 more source

Asymmetric Magnetohydrodynamic Propulsion for Oil–Water Core Annular Flow Through Elbow

Applied Sciences
The use of oil–water rings has become an emerging, effective, and energy-saving method of transporting heavy oil. Maintaining the shape of the oil–water ring and preventing rupture during the transport of heavy oil are of great scientific significance in
Chengming Wang, Zezhong Jia, Lei Yang, Yongqi Xu, Jinhao Zhao, Shihui Jiao, Hao Ma, Ruofan Shen, Erjun Liang, Weiwei Zhang, Yanyan Liu, Baojun Li   +11 more
doaj   +1 more source

Evolutionary radiation of large‐bodied gorgonopsians from the lower Abrahamskraal formation of South Africa

The Anatomical Record, EarlyView.
Abstract The middle Permian represents a critical interval in therapsid evolution, when gorgonopsians emerged as some of the first specialized apex predators within terrestrial ecosystems. Despite their significance, the early diversification of Gorgonopsia in Gondwana remains poorly understood due to scarcity and fragmentary material.
Zanildo Macungo, Ricardo Araújo, Bruce S. Rubidge, Michael O. Day, Kathleen N. Dollman, Julien Benoit   +5 more
wiley   +1 more source

The Performance of Large Diameter Threaded Cast Iron Pipe Fitting Joints Used in a Fire Suppression System: Experimental and Fragility Analysis

Journal of Experimental and Theoretical Analyses
Threaded cast iron fittings, including tees and elbows, are commonly used in fire suppression systems to connect piping components due to their simplicity, reliability, and compatibility with National Pipe Thread (NPT) standards.
Cameron Rusnak, Sherif Elfass, Allen Rivas   +2 more
doaj   +1 more source

Sistema de Monitoreo Electrónico de Desplazamiento de Tubos de Extensión para Junta Expansiva

Revista Iberoamericana de Automática e Informática Industrial RIAI, 2017
Resumen: En este trabajo se plantea el desarrollo de un dispositivo, llamado junta expansiva, para mitigar la ruptura de tuberías para el transporte de hidrocarburos, causada por deslizamientos de tierra o dilatación lineal.
J. Campuzano-Cervantes, F. Meléndez-Pertuz, B. Núñez-Perez, J. Simancas-García   +3 more
doaj   +1 more source

How wildlife respond to tropical cyclones: short‐term tactics and long‐term impacts

Biological Reviews, EarlyView.
ABSTRACT From butterflies to lizards and from sharks to seabirds, wildlife exhibit tactics to survive the impacts of tropical cyclones, also known as hurricanes, cyclones, or typhoons depending on where they occur. Some species seek refuge during the storm by moving, some remain in place and ride it out, and others move longer distances, avoiding the ...
Erin L. Koen, Mohamed Khalil Meliane, Zachery B. Holmes, Karl E. Miller, William J. Barichivich, Emilie Dedeban, Alex Furst, Miranda Imeri, Peyton E. Niebanck, Samantha Nunn, Kailee Pearson, Nicole Rita, Brier Ryver, Dakotah Shaffer, Susan C. Walls, E. Hance Ellington   +15 more
wiley   +1 more source

Global and Detailed Calculation of Tube Wall Temperature in a Process Furnace Steam Superheater

Chemie Ingenieur Technik, EarlyView.
This study presents a comparison between an iterative global model and multiple approaches to a new non‐iterative model with the purpose of predicting tube wall temperature of a superheater. The results show that the non‐iterative method achieves sufficient accuracy while improving the prediction of local temperature distribution and better ...
Anežka Michálková, Zdeněk Jegla
wiley   +1 more source

Performance Analysis of Slurry After Sewage Infiltration in Pipe Jacking Construction of Subway Station Entrances and Exits Project

Chengshi guidao jiaotong yanjiu
Objective During pipe jacking construction, aging sewage pipes within the construction area are prone to rupture, leading to sewage infiltration into the thixotropic slurry along the soil body, thus impacting the performance of the thixotropic slurry to ...
ZHANG Kun, SHEN Zheng, LI Shaoping, LI Guobin, TANG Ying, WANG Dong, MIN Fanlu   +6 more
doaj   +1 more source

Recombinant Monoclonal Antibodies for Detecting the Tubulin Post‐Translational Modifications Glutamylation and Lysine‐40 Acetylation

Cytoskeleton, EarlyView.
ABSTRACT Post‐translational modifications (PTMs) to tubulin subunits in microtubule filaments are thought to comprise a component of the tubulin code that specifies microtubule functions in cell physiology and animal development. Acetylation of Lysine‐40 (K40) on α‐tubulin (αTub‐K40ac) and glutamylation of both α‐ and β‐tubulin are two tubulin PTMs of ...
Lynne Blasius, Ezekiel C. Thomas, Erik H. Collet, Erin Jenson, Chad G. Pearson, Ryoma Ohi, Kristen J. Verhey   +6 more
wiley   +1 more source