Sawa Group is All Set to Embrace the Newest Technology in the Realm of Mechanics
Sawa Group is making you aware of the disruptive changes that mechanical engineering is about to contribute to the world.
- (1888PressRelease) April 08, 2020 - In today’s world, mechanical engineering is a vast disciple that is responsible for effectively covering everything that moves mechanically. This domain includes the movement of the smallest component of the whole completed system. We have a range of important innovations that tells gives us evidence as to how mechanical science has served humanity in terms of convenience. Sawa Group is making you aware of the disruptive changes that mechanical engineering is about to contribute to the world. Sawa Group would also embrace all innovations in time and need.
1) Solar Energy Harvester Absorber Design Made up of Hyperbolic Material
Professor Ping Cheng from Shanghai Jiao Tong University collaborating with Professor Zhuomin M. Zhang, from Georgia Institute of Technology both has managed to make a perfect light absorption structure that makes use of a wide range of an array of pyramidal nanostructures. These nanostructures were made of bismuth telluride (a natural hyperbolic material) imposed on a thin substrate to absorb the falling solar radiation.
A perfect design was presented after the study that includes an absorber design to manipulate a periodic array of pyramidal nanostructures. The experimental procedural results were commendable as the proposed design and structure were able to absorption values of almost 100% in the 300-2400 nm wavelength range.
This structure indeed has a great potential to harvest solar energy during photothermal conversion processes in aqueous solutions.
2) Production of Biodiesel from Waste Cooking Oil by Using an Ultrasonic Tubular Reactor
This whole research aimed at finding out the solutions for the production of biodiesel waste cooking oil (WCO) from an ultrasonic reactor. The experiment explored the difference in reaction time, amount of catalyst, molar ratio WCO to methanol (MeOH), ultrasonic frequency, and the resultant power on ultrasonic on the esters.
The ultrasonic type was compared, and the mechanical stirring methods that were based on time reaction were also investigated.
The maximum results of this biodiesel process were found in the 5 minute reaction time, NaOH catalyst 1% wt of WCO, frequency ultrasonic of 20 kHz, molar ratio WCO to MeOH, and output power of 650 W.
The yield of ester contents was achieved at 96.54wt with reduced reaction time by 12-24times.
These are two disruptive technologies that would aim at the thriving construction world in the future. Sawa Group of companies encourages all new technologies. It offers turnkey solutions related to construction, civil engineering, support services, facilities management services, and other services of the domain in sub-Saharan Africa.
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