Computation of lightning electromagnetic fields
Various models are widely utilized to describe lightning return-stroke current waveforms, including the Heidler function, the double exponential function, and the trapezoidal waveform function….
Category: Engineering
-
Consolidation process of uncemented backfill slurry in a mine stope considering hydro-geotechnical properties of rockmass in adjacent stopes
Hydraulic conductivity k
Figure 7 shows the evolution of the simulated PWP monitored at the bottom (illustrated as the blue star monitoring point in Fig. 2a) of the backfilled stope surrounded by the rockmass with…
Continue Reading
-
Obituary: Mark Casso, 70, Advocated for Industry CEOs to Boost Performance, Influence
Mark Casso, longtime president of the Construction Industry Round Table who led the Washington, D.C.-based group of about 130 leading U.S. and global design and construction firm CEOs that advocated for improved company performance and industry…
Continue Reading
-
Mark Casso, 70, Was Long Time Advocate for Industry CEOs to Boost Performance, Influence
Mark Casso, longtime president of the Construction Industry Round Table who led the Washington, D.C.-based group of about 130 leading U.S. and global design and construction firm CEOs that advocated for improved company performance and industry…
Continue Reading
-
Archaeologists find exceptional Roman ‘wicker basket well’ in Britain
In Norfolk, England, archaeologists discovered a “beautifully preserved” Roman well that’s providing an unprecedented glimpse into life at a rural Roman settlement in Britain.
On Facebook, researchers from Oxford Archaeology reported…
Continue Reading
-
World’s largest solar car vessel carries 4,000 vehicles on first voyage
Yuanhai Kou, the world’s largest solar energy-powered vehicle carrier ship built by China COSCO Shipping Corporation, has successfully completed its maiden voyage after docking at the Piraeus Port car terminal in Greece with 4,000 Chinese-made…
Continue Reading
-
German firm’s temperature prediction tech for motor boosts EV range
A German company’s latest technology enhances the temperature prediction accuracy of electric motors. This can help increase performance and efficiency of electric vehicles without compromising reliability.
ZF’s TempAI is an AI-based solution…
Continue Reading
-
Flash floods devastate Texas, killing 27 and sweeping away homes
The Kerr County Sheriff’s office said more than 800 people were evacuated as floodwaters receded around the Guadalupe River, roughly 85 miles northwest of San Antonio.
Floodwaters rise 29 feet near girls’ summer camp
Lieutenant…
Continue Reading
-
Hot electrons from quantum dots break tough bonds using 99% less energy
Imagine using just a flicker of sunlight to break stubborn chemical bonds that once required intense energy or toxic chemicals to split. This may sound almost impossible, but chemists at the Hong Kong University of Science and Technology (HKUST)…
Continue Reading
-
Chinese humanoid robot becomes world’s first long distance remote chef
Chinese robot maker Dobot Robotics has showcased its humanoid ‘Atom’ robot preparing a delicious steak. Although impressive enough, the real feat was the fact that the robot was remotely operated from 1,118 miles (1,800 km) away using…
Continue Reading