13 Result(s)
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Article
Girish Kumar
Engineering
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Article
Sustainable Approaches for Closure of Coal Ash Impoundments: A Quantitative Assessment
In the past two decades, large coal ash spills (e.g., Tennessee Valley Authority Kingston plant in Tennessee in 2008, the Dan River Coal Ash spill in North Carolina in 2014) spurred a national interest in regu...
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Article
Sustainability and Resilience: A New Paradigm in Geotechnical and Geoenvironmental Engineering
Geotechnical engineering structures, such as dams, embankments, and retaining walls, are integral components of modern infrastructure, and geoenvironmental engineering systems, such as landfills and impoundmen...
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Article
Evaluation of Municipal Solid Waste Management Scenarios using Multi-Criteria Decision Making under Fuzzy Environment
Treatment of municipal solid waste in India is facing a grave crisis, where merely 25% of waste is treated per day. There is a desperate need for efficient as well as compatible options for the proper manageme...
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Obstacle avoidance for a swarm of unmanned aerial vehicles operating on particle swarm optimization: a swarm intelligence approach for search and rescue missions
An approach, based on a multi-plane system, is conceptualized in this work to solve the problem of collision avoidance for a swarm of unmanned aerial vehicles, being used for search and rescue to minimize affe...
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Modeling elasto-visco-bio-plastic mechanical behavior of municipal solid waste in landfills
This paper presents a mechanical model for the prediction of short-term and long-term settlement of municipal solid waste in landfills. The load-induced volumetric compression, shear behavior, tensile behavior...
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Temperature Effects on Stability and Integrity of Geomembrane–Geotextile Interface in Municipal Solid Waste Landfill
Review of the limited experimental studies available in the published literature that investigate the effects of temperature on the shear strength of typical geomembrane (GM) and geotextile (GTX) interface is ...
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Estimating maintenance budget using Monte Carlo simulation
Asset maintenance is driven by allocation of yearly maintenance budget (YMB). Lack of scientific methods for its evaluation has led to allocations that are subjective and erroneous causing wastage or lack of r...
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Modelling and simulation of repairable mechanical systems reliability and availability
Markov approach is applicable for reliability and availability modelling when time to failure and repair follow an exponential distribution. Since failure time of mechanical components follows Weibull distribu...
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Open AccessAvailability analysis of mechanical systems with condition-based maintenance using semi-Markov and evaluation of optimal condition monitoring interval
Maintenance helps to extend equipment life by improving its condition and avoiding catastrophic failures. Appropriate model or mechanism is, thus, needed to quantify system availability vis-a-vis a given maint...
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Modeling Coupled Processes in Municipal Solid Waste Landfills: An Overview with Key Engineering Challenges
Disposal of municipal solid waste (MSW) in engineered landfills is one of the most widely used waste management practices in the USA and worldwide. During its design life, landfilled MSW undergoes various comp...
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Biological Response of Human Bone Marrow-Derived Mesenchymal Stem Cells to Commercial Tantalum Coatings with Microscale and Nanoscale Surface Topographies
Tantalum is a promising orthopaedic implant coating material due to its robust mechanical properties, corrosion resistance, and excellent biocompatibility. Previous studies have demonstrated improved biocompat...
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Open AccessZinc Oxide Nanostructures for NO2 Gas–Sensor Applications: A Review
Because of the interesting and multifunctional properties, recently, ZnO nanostructures are considered as excellent material for fabrication of highly sensitive and selective gas sensors. Thus, ZnO nanomateria...
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Article
Steady-state availability analysis of repairable mechanical systems with opportunistic maintenance by using Semi-Markov process
In this paper, a methodology for analysis of steady-state availability of repairable mechanical systems with opportunistic maintenance is presented, which is based on Semi-Markov process (SMP). SMP models; com...
