Home https://server7.kproxy.com/servlet/redirect.srv/sruj/smyrwpoii/p2/ Science https://server7.kproxy.com/servlet/redirect.srv/sruj/smyrwpoii/p2/ What caused the Big Bang? – ScienceDaily

What caused the Big Bang? – ScienceDaily



The origin of the universe begins with the Big Bang, but how the supernova explosion ignited has long been a mystery – so far.

In a new book appearing today in Science Magazine Magazine, researchers detail the mechanisms that could cause an explosion, which is key to the models scientists use to understand the origins of the universe.

"We have defined the critical criteria by which we can activate a flame to generate our own turbulence spontaneously. acceleration and transition to detonation, "says Karim Ahmed, an associate professor in the UCF Department of Mechanical and Aerospace Engineering and co-author of the study.

" We use turbulence to improve the mixing of reactions to the point where it goes through this storm reaction and essentially leads to supernovae exploding stars in simple words, "says Ahmed. "We take a simple flame to where it responds at five times the speed of sound."

The researcher revealed the criteria for creating a Big Bang explosion as he examines hypersonic jet propulsion methods.

"We examined these supersonic propulsion responses and, as a result, came across this mechanism, which seemed very interesting," he said. "When we started digging deeper, we realized that it was related to something as deep as the origin of the universe."

The key is to apply the right amount of turbulence and blend to a non-existent flame until it becomes self-curing, at which point the flame begins to burn the absorbed energy, leading to a hypersonic explosion of a Mach super machine

Detection applications may include faster air and space travel and improved energy production, including zero-emission reactions as all combustion products are converted to energy. The discovery was made with the help of a unique turbulent shock tube that allows the creation and analysis of explosions in a closed environment. Ultra-fast lasers and cameras are used to measure explosions and help identify what factors are needed to get to the point where the flame becomes a hypersonic, violent reaction.

The UCF Energy and Energy Research Laboratory, where the studies were conducted, have the only storm blow pipe to test hypersonic reactions in the country.

Co-authors of the study were Alexey Y. Poludnenko, Assistant Professor in the Department of Mechanical Engineering at the University of Connecticut and lead author of the study; Jessica Chambers, PhD student at UCF Department of Mechanical and Aerospace Engineering; Vadim N. Gamezo, with the Naval Research Laboratory; and Brian D. Taylor, of the Air Force Research Laboratory.

The study was supported by funding from the Air Force Office of Research. The computational resources were provided by the Frontier Project Award-winning PCI's Computer Modernization Program and the Naval Research Laboratory.

Ahmed earned a PhD in Mechanical Engineering from the University of Buffalo ̵

1; New York State University. He worked in the engines of Pratt & Whitney and at Old Dominion University before joining the UCF Department of Mechanical and Aerospace Engineering, part of the College of Engineering and Computer Science in 2015. He is a lecturer at the Center for Advanced Turbomachines and Energy Research Fellow, Fellow of the American Aeronautics and Space Institute, AFRL Research Fellow, and a member of the UCF Energy Conversion and Propagation Cluster.

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Materials provided by University of Central Florida Note: Content may be edited for style and length.


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