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السجلات المعروضة 111 -- 120 من 915
Defect-Based Condition Assessment Model for Sewer Pipelines Using Fuzzy Hierarchical Evidential Reasoning
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American Society of Civil Engineers (ASCE)
, 2021 , Article)
Assessing the condition of sewer pipelines is essential for addressing associated problems as a result of deterioration to maintain functionality and avoid additional social costs. This paper presents the development of a ...
Current stress and switching loss evaluation of a unified expandable power converter used for grid-integration of renewable energy sources
(
John Wiley and Sons Inc
, 2021 , Article)
Due to the intermittent nature of the renewable energy systems (RESs), more specifically, solar panels and wind turbines, their sole use does not lead to a smooth and reliable power. To overcome this issue, the concurrent ...
A novel hybrid life cycle assessment approach to air emissions and human health impacts of liquefied natural gas supply chain
(
MDPI
, 2021 , Article)
Global interest in LNG products and supply chains is growing, and demand continues to rise. As a clean energy source, LNG can nevertheless emit air pollutants, albeit at a lower level than transitional energy sources. An ...
Green concrete for a circular economy: A review on sustainability, durability, and structural properties
(
MDPI AG
, 2021 , Article)
A primary concern of conventional Portland cement concrete (PCC) is associated with the massive amount of global cement and natural coarse aggregates (NCA) consumption, which causes depletion of natural resources on the ...
Techno-economic investigation of an integrated boiler?solar water heating/cooling system: A case study
(
MDPI AG
, 2021 , Article)
With the increase in oil prices, developing nations end up paying expensive electricity and heating bill. This leading study investigates the experimental development of a new energy-saving system by integrating a solar ...
A Family of Discontinuous PWM Strategies for Quasi Z-Source Nine-Switch Inverters
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Institute of Electrical and Electronics Engineers Inc.
, 2021 , Article)
This paper proposes a new family of discontinuous PWM strategies to control the quasi-Z-source nine-switch inverters (qZS-NSI). The presented strategies provide buck and boost inversion capabilities, and suitable for ...
On Designing Smart Agents for Service Provisioning in Blockchain-powered Systems
(
IEEE Computer Society
, 2021 , Article)
Service provisioning systems assign users to service providers according to allocation criteria that strike an optimal trade-off between users Quality of Experience (QoE) and the operation cost endured by providers. These ...
Impact of product innovativeness on technology switching in global market
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Emerald Group Holdings Ltd.
, 2021 , Article)
Purpose: The purpose of this paper is to explore the relationship between product innovativeness and the process of technology switching. This issue is important for two reasons: (1) in mature markets, the only way to ...
Tunisia’s peripheral cities: Marginalization and protest politics in a democratizing country
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Middle East Institute
, 2021 , Article)
This article investigates Tunisia's southern "periphery within the periphery," drawing on original interviews to examine marginalization and center-periphery relations in the country since the 2011 revolution. Comparisons ...
Effect of Utilizing a Novel Intake Manifold Design on Smoke Emissions and Particulate Size Distributions of a Gas-to-Liquid Diesel Engine
(
American Society of Mechanical Engineers (ASME)
, 2021 , Article)
Smoke emissions and particulate matter (PM) size distributions were investigated on a direct-injection (DI) single-cylinder diesel engine running on both gas-to-liquid (GTL) and diesel fuels utilizing a novel spiral-helical ...