Energy Collaborative

Works Published in 2021

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Displaying works 61 - 80 of 182 in total

Sorted by most recent date added to the index first, which may not be the same as publication date order.

2021 journal article

Life-Cycle Assessment of a Regulatory Compliant US Municipal Solid Waste Landfill

ENVIRONMENTAL SCIENCE & TECHNOLOGY, 55(20), 13583–13592.

By: Y. Wang n, J. Levis  n & M. Barlaz n 

author keywords: landfill; life-cycle assessment; solid waste management; greenhouse gases; capital goods
MeSH headings : Methane; Refuse Disposal; Solid Waste; Waste Disposal Facilities
TL;DR: This study develops an LCA model for a representative U.S. MSW landfill that is responsive to landfill size, regulatory thresholds for landfill gas (LFG) collection and control, practices for LFG management (i.e., passive venting, flare, combustion for energy recovery), and four alternative schedules for L FG collection well installation. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: November 8, 2021

2021 article

Decomposability and Parallel Computation of Multi-Agent LQR

2021 AMERICAN CONTROL CONFERENCE (ACC), pp. 4527–4532.

By: G. Jing n , H. Bai *, J. George * & A. Chakrabortty n 

author keywords: Reinforcement learning; linear quadratic regulator; multi-agent systems; decomposition
TL;DR: This work proposes a parallel RL scheme for a linear quadratic regulator (LQR) design in a continuous-time linear MAS and shows that if the MAS is homogeneous then this decomposition retains closed-loop optimality. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: November 1, 2021

2021 journal article

Analysis of fixed volume swaps for hedging financial risk at large-scale wind projects

ENERGY ECONOMICS, 103.

By: Z. Lucy n & J. Kern n

author keywords: Wind power; Risk; Financial hedging; Markets
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Source: Web Of Science
Added: October 26, 2021

2021 journal article

Lightweight, strong, moldable wood via cell wall engineering as a sustainable structural material

Science, 374(6566), 465–471.

By: S. Xiao *, C. Chen *, Q. Xia*, Y. Liu *, Y. Yao* , Q. Chen *, M. Hartsfield*, A. Brozena * ...

TL;DR: A processing strategy that uses cell wall engineering to shape flat sheets of hardwood into versatile three-dimensional (3D) structures that widens wood’s potential as a structural material, with lower environmental impact for buildings and transportation applications. (via Semantic Scholar)
Source: ORCID
Added: October 22, 2021

2021 journal article

Effects of 5-hydroxymethylfurfural on removal performance and microbial community structure of aerobic activated sludge treating digested swine wastewater

JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING, 9(5).

By: Z. Tan, Y. Liu *, H. Liu *, C. Yang*, Q. Niu * & J. Cheng n 

author keywords: Swine wastewater; Activated sludge; 5-Hydroxymethylfurfural; Enzyme activity; Microbial community
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: October 18, 2021

2021 journal article

Promoting reproducibility and increased collaboration in electric sector capacity expansion models with community benchmarking and intercomparison efforts

APPLIED ENERGY, 304.

By: C. Henry*, H. Eshraghi n, O. Lugovoy *, M. Waite *, J. DeCarolis n, D. Farnham *, T. Ruggles *, R. Peer * ...

author keywords: Capacity expansion models; Model benchmarking; Energy; Optimization models; Electricity systems
TL;DR: A model benchmarking effort using highly simplified scenarios applied to four open-source models of the U.S. electric sector shows that such a process can be effective for improving consistency across models and building model confidence, substantiating specific modeling choices, reporting uncertainties, and identifying areas for further research and development. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: October 12, 2021

2021 journal article

Quantification of climate-induced interannual variability in residential U.S. electricity demand

Energy, 236, 121273.

By: H. Esraghi, A. Queiroz  n, A. Sankarasubramanian  n & J. DeCarolis n

author keywords: Electricity demand; Linear regression; Climate information; Residential heating and cooling; Electricity use intensity
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: October 12, 2021

2021 journal article

Multi-scale evaluation of diesel commuter rail fuel use, emissions, and eco-driving

TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT, 99.

By: W. Yuan n  & H. Frey  n

Contributors: W. Yuan n  & H. Frey  n

author keywords: Public transport; Diesel locomotive; Energy; Air pollution; Emission hotspot
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: October 12, 2021

2021 journal article

Quantifying Dam-Induced Fluctuations in Streamflow Frequencies Across the Colorado River Basin

Water Resources Research, 57(10), e2021WR029753.

By: J. Hwang *, H. Kumar  n, A. Ruhi *, A. Sankarasubramanian  n & N. Devineni *

author keywords: flow alteration; flow regime; wavelet coherence; dam impacts; water management; flow regulation
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
15. Life on Land (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: October 8, 2021

2021 journal article

Model-Free Optimal Control of Linear Multiagent Systems via Decomposition and Hierarchical Approximation

IEEE TRANSACTIONS ON CONTROL OF NETWORK SYSTEMS, 8(3), 1069–1081.

By: G. Jing n , H. Bai *, J. George * & A. Chakrabortty n 

author keywords: Decomposition; hierarchical control; large-scale networks; linear quadratic regulator (LQR); model-free reinforcement learning (RL)
TL;DR: A hierarchical controller is proposed that adheres to a particular structure as specified by the inter-agent coupling in the objective function and by the decomposition strategy, and mathematical formulations are established to find a decomposition that minimizes required communication links or reduces the optimality gap. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: October 4, 2021

2021 journal article

Dynamic life-cycle carbon analysis for fast pyrolysis biofuel produced from pine residues: implications of carbon temporal effects

BIOTECHNOLOGY FOR BIOFUELS, 14(1).

By: K. Lan n , L. Ou*, S. Park n , S. Kelley n , P. Nepal*, H. Kwon *, H. Cai *, Y. Yao* 

author keywords: Life-cycle carbon analysis; Dynamic modeling; Carbon accounting; Biofuel; Fast pyrolysis; Pine residues; Monte Carlo simulation
TL;DR: The carbon temporal effect, particularly the time lag of carbon sequestration during pine growth, has direct impacts on the carbon intensity of biofuels produced from pine residues from a stand-level pine growth and management point of view. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: ORCID, Web Of Science, NC State University Libraries
Added: September 30, 2021

2021 review

Reviewing the evidence on the roles of forests and tree-based systems in poverty dynamics

[Review of ]. FOREST POLICY AND ECONOMICS, 131.

By: O. Razafindratsima *, J. Kamoto*, E. Sills n , D. Mutta, C. Song *, G. Kabwe *, S. Castle *, P. Kristjanson* ...

author keywords: Forest policy; Agroforestry; Poverty alleviation; Poverty dynamics; Livelihoods; Sustainable development
UN Sustainable Development Goal Categories
1. No Poverty (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: September 27, 2021

2021 journal article

Chemical Looping Air Separation Using a Perovskite-Based Oxygen Sorbent: System Design and Process Analysis

ACS SUSTAINABLE CHEMISTRY & ENGINEERING, 9(36), 12185–12195.

By: E. Krzystowczyk n, V. Haribal n , J. Dou n & F. Li n 

author keywords: chemical looping; air separation; perovskite; sorbent; process analysis
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: September 27, 2021

2021 journal article

Layout Inductance Assisted Novel Turn-on Switching Loss Recovery Technique for SiC MOSFETs

IEEE Journal of Emerging and Selected Topics in Industrial Electronics, 2(4), 513–525.

By: V. Miryala *, V. Pandey *, K. Hatua * & S. Bhattacharya n 

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: September 24, 2021

2021 journal article

Influence of natural organic matter and pH on phosphate removal by and filterable lanthanum release from lanthanum-modified bentonite

WATER RESEARCH, 202.

By: Y. Zhi  n, D. Call n, K. Grieger n , O. Duckworth n , J. Jones n & D. Knappe n 

author keywords: Eutrophication; Lake restoration; Lanthanum release; Humic and fulvic acid; Phosphate management
MeSH headings : Bentonite; Hydrogen-Ion Concentration; Lakes; Lanthanum; Phosphates; Phosphorus
TL;DR: The results indicate that the PO4-binding ability of LMB is decreased in the presence of NOM, and the decrease is more pronounced at pH 8.5 than at 6.5, which provides an important basis for management of P in lakes and eutrophication control that relies on LMB applications. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: September 20, 2021

2021 journal article

An Optimized Circulating Current Control Method Based on PR and PI Controller for MMC Applications

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS, 57(5), 5074–5085.

By: S. Isik n, M. Alharbi n & S. Bhattacharya n 

author keywords: Capacitors; Voltage control; Harmonic analysis; Current control; Switches; Inductors; Multilevel converters; Circulating current control; high-voltage dc (HVdc); MMC reliability; modular multilevel converter (MMC); real-time digital simulator (RTDS); switching model
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: September 20, 2021

2021 article

A Modified Droop Control Algorithm for DC Microgrids to Achieve Accurate Current Sharing and Improved Voltage Regulation

2021 THIRTY-SIXTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC 2021), pp. 119–125.

By: S. Sharma n, V. Iyer *, P. Das n & S. Bhattacharya n 

author keywords: DC microgrid; droop control; current sharing accuracy; low-bandwidth communication; voltage regulation
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: September 20, 2021

2021 article

High Efficiency Medium Voltage to Low Voltage Wireless Power Transformation for Data Centers

2021 THIRTY-SIXTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC 2021), pp. 1580–1585.

By: G. Zhu*, B. Pahl*, I. Wong n, S. Samanta n & S. Bhattacharya n 

author keywords: Contactless Power Transfer; Medium Voltage Distribution; H-bridge Synchronous Rectification; Data Center; Safe Isolation
TL;DR: The planar contactless transformer is optimized with 3D printed bobbins to improve the manufacturability and technology readiness level and a new synchronous rectifier architecture is developed with MOSFET drain-to-source voltage-sensing for an H-bridge rectifier to improveThe DC- to-DC efficiency. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: September 20, 2021

2021 article

Performance Analysis of PMSM during Regeneration fed by Dual-Inverter System

2021 THIRTY-SIXTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC 2021), pp. 2200–2205.

By: N. Kolli n, P. Pramod * & S. Bhattacharya n 

author keywords: PMSM; diode rectifier; regeneration; battery charging; braking torque; constant voltage load; dual inverter
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: September 20, 2021

2021 article

Medium Voltage Shore-to-Ship Connection System Enabled by Series Connected 3.3 kV SiC MOSFETs

2021 THIRTY-SIXTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC 2021), pp. 1380–1387.

By: R. Kokkonda n, A. Kumar n, A. Anurag n , N. Kolli n, S. Parashar n & S. Bhattacharya n 

author keywords: Shore to Ship systems; Medium Voltage power converters; SiC MOSFET; Series connection
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: September 20, 2021

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