Flow (Dynamics)
Researchers at the Department of Mechanical Engineering have conducted a detailed numerical investigation of the flow dynamics and turbulence characteristics in a Trapped Vortex Combustor (TVC). The study aimed to evaluate the predictive accuracy of three turbulence models - Reynolds Stress Model (RSM), Realizable k-epsilon, and SST-k omega - in
Algorithms
Researchers from the Department of Mechanical Engineering have developed a new hybrid algorithm for solving complex scheduling problems involving multiple jobs and machines. The proposed approach employs a combination of genetic and simulated annealing algorithms, along with an improved local searching technique, to converge to global optimum solutions more quickly.
Mechanical engineering
Researchers from the Department of Mechanical Engineering have successfully developed an eco-friendly alternative to synthetic fiber composites, using natural fiber composites that incorporate coconut shell bio-fillers. This innovative approach has shown significant improvements in mechanical properties and biodegradability. According to the study, the addition of coconut shell powder to epoxy
Mechanical engineering
A team of researchers from Institut Teknologi Bandung has made a significant breakthrough in designing an ultra-micro gas turbine engine. The innovative engine is capable of generating 600 watts of power with a turbine diameter of 10-20 cm, making it an efficient and compact alternative to traditional power sources. According
Mechanical engineering
Researchers at Sharif University of Technology have made a significant breakthrough in mechanical engineering by developing a new method for optimizing centrifugal compressors. The study, published in the Journal of Applied Fluid Mechanics, focuses on Adaptive Cycle Engines (ACEs) that use a centrifugal compressor as their high-pressure compressor. By applying
Mechanical engineering
New research on mechanical engineering and machinery has highlighted the crucial concern of aerodynamic instabilities in centrifugal compressors at low flow rates. According to a study published in the Journal of Applied Fluid Mechanics, researchers from the State Key Laboratory investigated the aerodynamic behavior of a standard centrifugal compressor through
Mechanical engineering
Researchers from Universitas Sebelas Maret have made a breakthrough in understanding the quenching phenomenon in thermosetting epoxy resins, a critical issue that affects material performance. In a comprehensive study, they employed Fourier Transform Infrared (FTIR) spectroscopy, Thermogravimetric Analysis (TGA), and Differential Scanning Calorimetry (DSC) to analyze epoxy resin specimens. The
Mechanical engineering
Researchers at Universitas Tanjungpura have made significant progress in the field of mechanical engineering by developing a new type of epoxy composite material using palm fibers and Areca catechu fibers. The composite material is created by combining natural fibers, such as palm branch fiber and Areca catechu trunk fiber, with
Mechanical engineering
Researchers from the PSG College of Technology have made significant progress in the field of mechanical engineering by developing a new technique for fabricating large-scale metal components. This technique, known as cold metal transfer (CMT)-based wire arc additive manufacturing (WAAM), allows for the creation of complex metal components with
Mechanical engineering
Researchers at the University of Science & Technology Liaoning have discovered a novel method to enhance the service life of cladding layers. By preparing a Ni-Co dual-phase cladding layer on a QT600 surface, the layer's service performance can be significantly improved. However, the introduction of pore defects during
Mechanical engineering
Research conducted by Yanshan University has resulted in an efficient and accurate solution for detecting and grading surface wear on hot-rolling work rolls. The study established an apparatus for capturing high-precision roll surface images and developed a quantitative assessment of common surface wear morphologies. A dataset was constructed, and a
Mechanical engineering
New research published in Rekayasa Mesin has shed light on the effects of airflow rate on the combustion characteristics of pulverized rice husk biomass. The study, conducted by Nurkholis Hamidi and his team at Universitas Brawijaya, aimed to determine the impact of airflow rate on the combustion characteristics of catalytic
