Mechanical & Industrial Engineering: Recent submissions
Now showing items 121-140 of 1499
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Numerical simulation of blowing ratio effects on film cooling on a gas turbine blade
( WIT Press , 2011 , Conference)This article investigates the film cooling effectiveness and heat transfer in three regimes for a film-cooled gas turbine blade at the leading edge of the blade with 450 angle of injection. A Rolls Royce blade has been ... -
Integration and application of passive cooling within a wind tower
( American Society of Heating, Refrigeration, and Air-Conditioning Engineers (ASHRAE) , 2014 , Conference)Increasing emphasis on reducing power consumption has raised public awareness of natural and renewable energy resources, particularly the integration of passive cooling systems in buildings such as wind towers. Wind towers ... -
Numerical investigation of the integration of heat transfer devices into wind towers
( Italian Association of Chemical Engineering - AIDIC , 2013 , Conference)The purpose of this study is to incorporate heat transfer devices inside the passive terminal of a wind tower unit, highlighting the potential to achieve minimal restriction in the external air flow stream while ensuring ... -
The development of commercial wind towers for natural ventilation: A review
( Elsevier , 2012 , Article Review)Wind towers have been in existence in various forms for centuries as a non mechanical means of providing indoor ventilation, energy prices and climate change agendas have refocused engineers and researchers on the low ... -
Feasibility of MOF-based carbon capture from indoor spaces as air revitalization system
( Elsevier , 2022 , Article)Conventional air-conditioning systems, for providing thermal comfort and acceptable indoor air quality, are energy intensive, especially for spaces located in hot and humid climates. This is attributed to the energy needed ... -
Experimental and numerical investigation of the thermal performance of evaporative cooled greenhouses in hot and arid climates
( Taylor and Francis Inc. , 2020 , Article)The controlled microclimate of greenhouses is vital for producing quality yield. This paper investigates the thermal performance of an evaporative cooled greenhouse operating in Qatar. Three design factors affecting the ... -
Regression Models for Performance Prediction of Internally-Cooled Liquid Desiccant Dehumidifiers
( MDPI , 2022 , Article)In this study, using response surface methodology and central composite design, regression models were developed relating 12 input factors to the supply air outlet humidity ratio and temperature of 4-fluid internally-cooled ... -
Simulation of spectators' aerodynamic drag using porous models approximation
( Elsevier , 2020 , Article)Evaluation of the thermal comfort is essential for complex ventilation systems design. Assessment of thermal indices requires representative velocity and pressure fields' values. When simulating the air flow in large ... -
Experimental investigation of double-pipe heat exchangers in air conditioning applications
( Elsevier , 2018 , Article)The increased demand of energy in domestic applications necessitates the development of innovative engineering solutions in building heating, ventilating, and air conditioning (HVAC) systems. As the largest energy intensive ... -
Performance comparison of different flow arrangements of 4-fluid internally-cooled liquid desiccant dehumidifiers
( Springer Science and Business Media B.V. , 2022 , Article)In this study, the performance of 10 different flow arrangements of 4-fluid internally-cooled liquid desiccant dehumidifiers were compared. The four fluids are supply air, exhaust air, liquid desiccant, and water. The ... -
Thermoelectric behavior of Bi2Te2.55Se0.45 with a tunable seebeck coefficient: A comparison between coarse needle-like structure and bulk nanostructured alloys
( Elsevier , 2023 , Article)In this study, we compare the thermoelectric properties of coarse-grained n-type Bi2Te2.55Se0.45 alloy prepared by induction melting with the bulk-nanostructured prepared by ball milling and hot-pressing techniques. The ... -
Microstructural effect on the corrosion behavior of n- and p-type bismuth tellurides fabricated by induction melting
( Elsevier , 2023 , Article)Numerous efforts have been made to understand and enhance the thermoelectric properties of bismuth telluride alloys. However, limited studies have been reported to investigate the corrosion behavior of these alloys and ... -
Optimization of the Consolidation Parameters for Enhanced Thermoelectric Properties of Gr-Bi2Te2.55Se0.45 Nanocomposites
( Multidisciplinary Digital Publishing Institute (MDPI) , 2024 , Article)Hot pressing represents a promising consolidation technique for ball-milled bismuth telluride alloys, yet deep investigations are needed to understand its effect on the thermoelectric properties. This paper studies the ... -
Experimental analysis of free-standing and substrate-constrained Ga-doped ZnO nanostructured thermoelectric films
( Elsevier , 2024 , Article)Developing thermoelectric films without substrates—free-standing films—eliminates substrate-induced effects on performance and meets the flexibility requirements of emerging wearable thermoelectric applications. This study ... -
The cost of carrier consistency: Last-mile delivery by vehicle and drone for subscription-based orders
( Taylor and Francis Ltd. , 2024 , Article)We investigate a deterministic last-mile delivery problem in which a firm delivering scheduled orders determines a subset of customers to be prioritized for drone delivery, relegating the rest to vehicle delivery. The ... -
A variable neighborhood search for parcel delivery by vehicle with drone cycles
( Elsevier Ltd , 2023 , Article)In spite of the growing literature on and relevance of vehicle-drone parcel delivery, the logistical impact of cyclic drone flights, in which a drone launches and lands at the same node (as opposed to distinct sites) while ... -
The transportation problem with packing constraints
( Elsevier Ltd , 2023 , Article)We address a new variant of the transportation problem, where a set of different commodities, available at several supply nodes with different prices, are distributed to demand nodes using a set of heterogeneous vehicle ... -
A Mixed-Integer Programming Model for the Container Truck Routing Problem with Net Worth Maximization
( Institute of Electrical and Electronics Engineers Inc. , 2023 , Conference)We address the container truck routing problem that arises in hinterland logistics, where trucking companies are responsible for transporting empty and loaded containers between various stakeholders in the shipping container ... -
Lower and upper bounding procedures for the bin packing problem with concave loading cost
( Elsevier , 2024 , Article)We address the one-dimensional bin packing problem with concave loading cost (BPPC), which commonly arises in less-than-truckload shipping services. Our contribution is twofold. First, we propose three lower bounds for ... -
Enhancing resilience in the liquefied natural gas supply chain: A focus on chemical supply continuity
( Elsevier Ltd , 2024 , Article)As the global demand for liquefied natural gas (LNG) surges, its pivotal role in the economy highlights the imperative of a continuous supply chain. This paper underscores the critical need for a resilient LNG supply chain ...
