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1. A hybrid framework integrating rough-fuzzy best-worst method to identify and evaluate user activity-oriented service requirement for smart product service system

Author:
Chen, Zhihua; Ming, Xinguo; Zhou, Tongtong; Chang, Yuan; Sun, Zhaohui
Source:
Journal of cleaner production 2020 v.253 pp. 119954
ISSN:
0959-6526
Subject:
case studies,   etc   ; stakeholders; uncertainty;     Show all 3 Subjects
Abstract:
... With the wide application of the smart technologies in the field of product service system, the delivery scope of product-extension service can be expanded from the conventional product operation lifecycle to broader user activity cycle. The identification and evaluation of user activity-oriented service requirements are critical to successful design of smart technology-enabled product service off ...
DOI:
10.1016/j.jclepro.2020.119954

2. Optimal placement, sizing and power factor of distributed generation: A comprehensive study spanning from the planning stage to the operation stage

Author:
Huy, Phung Dang; Ramachandaramurthy, Vigna K.; Yong, Jia Ying; Tan, Kang Miao; Ekanayake, Janaka B.
Source:
Energy 2020 v.195 pp. 117011
ISSN:
0360-5442
Subject:
case studies,   etc   ; algorithms; planning;     Show all 3 Subjects
Abstract:
... In this paper, an optimised framework utilising a Differential Evolution algorithm is presented to optimally integrate multiple distributed generation sources simultaneously into the distribution grid. By considering the important power system constraints, the proposed algorithm optimises the location, sizing and power factor setting for each distributed generation source to minimise network losse ...
DOI:
10.1016/j.energy.2020.117011

3. A coalition formation game framework for peer-to-peer energy trading

Author:
Tushar, Wayes; Saha, Tapan Kumar; Yuen, Chau; Azim, M. Imran; Morstyn, Thomas; Poor, H. Vincent; Niyato, Dustin; Bean, Richard
Source:
Applied energy 2020 v.261 pp. 114436
ISSN:
0306-2619
Subject:
case studies,   etc   ; batteries; energy;     Show all 3 Subjects
Abstract:
... This paper studies a social cooperation backed peer-to-peer energy trading technique by which prosumers can decide how they can use their batteries opportunistically for participating in the peer-to-peer trading. The objective is to achieve a solution in which the ultimate beneficiaries are the prosumers, i.e., a prosumer-centric solution. To do so, a coalition formation game is designed, which en ...
DOI:
10.1016/j.apenergy.2019.114436

4. A novel multi-objective hybrid particle swarm and salp optimization algorithm for technical-economical-environmental operation in power systems

Author:
El Sehiemy, Ragab A.; Selim, F.; Bentouati, Bachir; Abido, M.A.
Source:
Energy 2020 v.193 pp. 116817
ISSN:
0360-5442
Subject:
case studies,   etc   ; algorithms; particles;     Show all 3 Subjects
Abstract:
... Optimal Power Flow (OPF) problem is one of the most widely nonlinear optimization problems in power systems. This paper proposes a novel hybrid optimization algorithm that combines the merits of salp swarm optimization (SSO) algorithm with particle swarm optimization (PSO) algorithm for solving the OPF problem. The proposed hybrid method is considered to accomplish economic, environmental and tech ...
DOI:
10.1016/j.energy.2019.116817

5. Use of instability curves for the assessment of post-liquefaction stability and deformation of sloping grounds

Author:
Ismael, Bashar; Lombardi, Domenico; Bhattacharya, Subhamoy; Ahmad, Syed Mohd
Source:
Engineering geology 2020 v.265 pp. 105347
ISSN:
0013-7952
Subject:
case studies,   etc   ; deformation; soil;     Show all 3 Subjects
Abstract:
... The paper presents a simplified approach to determine the post-cyclic deformation of liquefied sloping grounds. The approach uses instability curves derived from undrained multi-stage (cyclic+monotonic) triaxial tests. It is shown that the salient aspects of the post-liquefaction deformation can be expressed as a function of the state parameter ψ, defined as the void ratio difference between the c ...
DOI:
10.1016/j.enggeo.2019.105347

6. Investigating the impact of P2P trading on power losses in grid-connected networks with prosumers

Author:
Azim, M. Imran; Tushar, Wayes; Saha, Tapan K.
Source:
Applied energy 2020 v.263 pp. 114687
ISSN:
0306-2619
Subject:
case studies,   etc   ; consumers (people); electricity;     Show all 3 Subjects
Abstract:
... The extensive financial benefit that a prosumer can reap from participating in P2P trading has been shown to be unprecedented by many recent studies. However, since the actual transfer of electricity occurs over the physical network, a key question that yet to answer is: what is the repercussion of P2P trading on the power losses in grid-connected electricity networks? To this end, this paper pres ...
DOI:
10.1016/j.apenergy.2020.114687

7. Jamming sustainable futures: Assessing the potential of design thinking with the case study of a sustainability jam

Author:
Kagan, Sacha; Hauerwaas, Antoniya; Helldorff, Sünje; Weisenfeld, Ursula
Source:
Journal of cleaner production 2020 v.251 pp. 119595
ISSN:
0959-6526
Subject:
case studies,   etc   ; problem solving; prototypes;     Show all 3 Subjects
Abstract:
... This paper describes and analyses the potentials and limits of Design Thinking in Sustainability Jams, claimed increasingly to contribute sustainability solutions and changed practices for desired futures. With an in-depth Case study, we show how the current application of “Design Thinking” coming from the management context (where Design Thinking is deployed as a human-centred problem-solving app ...
DOI:
10.1016/j.jclepro.2019.119595

8. Partial surrogate cuts method for network-constrained optimal scheduling of multi-carrier energy systems with demand response

Author:
Chen, Honglin; Liu, Mingbo; Liu, Yingqi; Lin, Shunjiang; Yang, Zhibin
Source:
Energy 2020 v.196 pp. 117119
ISSN:
0360-5442
Subject:
case studies,   etc   ; energy; heat; models;     Show all 4 Subjects
Abstract:
... The integration of different energy systems is believed to enable synergy effects such as reducing costs. The concepts of multi-carrier energy systems have critically influenced the investigations of energy management, and their optimal operations with demand response have gained much importance. However, less research has addressed network constraints, which are important, but would transform the ...
DOI:
10.1016/j.energy.2020.117119

9. Large-scale field test on abandoned deep anhydrite mine-out for reuse as crude oil storage – A case study

Author:
Zhang, Bin; Wang, Hanxun; Wang, Lei; Mei, Gang; Shi, Lei; Xu, Nengxiong; Li, Junyan
Source:
Engineering geology 2020 v.267 pp. 105477
ISSN:
0013-7952
Subject:
case studies,   etc   ; anhydrite; petroleum; China;     Show all 4 Subjects
Abstract:
... The reuse of abandoned anhydrite mine-outs has significant potential to reduce the cost and period of construction of crude oil storage facilities and provides a new option for exploiting underground space. Based on a case study of the Anhui Hengtai anhydrite mine located in East China, this study formulated a comprehensive field test program to investigate its tightness and stability and evaluate ...
DOI:
10.1016/j.enggeo.2020.105477

10. Fast atom search optimization based MPPT design of centralized thermoelectric generation system under heterogeneous temperature difference

Author:
Yang, Bo; Zhang, Mengting; Zhang, Xiaoshun; Wang, Jingbo; Shu, Hongchun; Li, Shengnan; He, Tingyi; Yang, Lei; Yu, Tao
Source:
Journal of cleaner production 2020 v.248 pp. 119301
ISSN:
0959-6526
Subject:
case studies,   etc   ; algorithms; energy; temperature;     Show all 4 Subjects
Abstract:
... This paper designs a novel maximum power point tracking (MPPT) technique for centralized thermoelectric generation (TEG) system under heterogeneous temperature difference (HeTD). Since the HeTD can result in multiple local maximum power points (LMPPs) for centralized TEG system, a fast atom search optimization (FASO) is designed to approximate the global maximum power point (GMPP) from multiple LM ...
DOI:
10.1016/j.jclepro.2019.119301

11. Operational Flexibility Analysis of High-Dimensional Systems via Cylindrical Algebraic Decomposition

Author:
Zheng, Chenglin; Zhao, Fei; Zhu, Lingyu; Chen, Xi
Source:
Industrial & engineering chemistry process design and development 2020 v.59 no.10 pp. 4670-4687
ISSN:
1520-5045
Subject:
case studies,   etc   ; models; process design;     Show all 3 Subjects
Abstract:
... The cylindrical algebraic decomposition (CAD) method has been proposed for flexibility analysis to derive analytical expressions of a feasible region. Due to the heavy computational burden caused by symbolic computation, this method can only handle small-scale problems currently. To overcome this limitation, a novel method is proposed for high-dimensional systems with a number of equalities and li ...
DOI:
10.1021/acs.iecr.9b06061

12. Small animal reproduction: Scientific facts versus dogmas or unverified beliefs

Author:
Fontbonne, Alain
Source:
Theriogenology 2020 v.150 pp. 464-470
ISSN:
0093-691X
Subject:
case studies,   etc   ; animal reproduction; dogs; therapeutics; veterinarians;     Show all 5 Subjects
Abstract:
... Small Animal Reproduction is a rather recent topic in the field of Animal Reproduction. Although some continuing educational societies aim to improve the level of general knowledge, published scientific facts are still limited, and there are many hypotheses or affirmations that remain unverified or even sometimes dogmatic or empirical. Through examples, this article reviews the main causes that ma ...
DOI:
10.1016/j.theriogenology.2020.03.014
PubMed:
32284211
PubMed Central:
PMC7102635

13. A system of metrics for the assessment and improvement of aquatic ecosystem models

Author:
Hipsey, Matthew R.; Gal, Gideon; Arhonditsis, George B.; Carey, Cayelan C.; Elliott, J. Alex; Frassl, Marieke A.; Janse, Jan H.; de Mora, Lee; Robson, Barbara J.
Source:
Environmental modelling & software 2020 v.128 pp. 104697
ISSN:
1364-8152
Subject:
case studies,   etc   ; aquatic ecosystems; ecological models; prediction;     Show all 4 Subjects
Abstract:
... In this paper, we introduce the CSPS framework for the hierarchical assessment of aquatic ecosystem models built on a range of metrics and characteristic signatures relevant to aquatic ecosystem condition. The framework is comprised of four levels: 0) conceptual validation; 1) comparison of simulated state variables with observations (‘state validation’); 2) comparison of fluxes with measured proc ...
DOI:
10.1016/j.envsoft.2020.104697

14. Characteristic analysis and fuzzy simulation of falls-from-height mechanics, and case studies

Author:
Han, Inhwan
Source:
Forensic science international 2020 v.311 pp. 110287
ISSN:
0379-0738
Subject:
case studies,   etc   ; accidents; computer simulation; databases; posture;     Show all 5 Subjects
Abstract:
... In this paper, methods for scientifically inferring the causes of the falls-from-height accidents, that is, the initial fall postures, and reconstructing the fall accident are presented. For this purpose, the general types of fall were subdivided into eight, and the characteristics of each fall type were analyzed. An initial posture estimation tool based on Fuzzy method was developed utilizing the ...
DOI:
10.1016/j.forsciint.2020.110287

15. Pleural aspergillosis in a patient with recurrent spontaneous pneumothorax: The challenge of an optimal therapeutic approach

Author:
Abreu, Isabel; Guedes, Mariana; Duro, Raquel; Lopes, Sara; Maciel, João; Santos, Lurdes
Source:
Medical mycology case reports 2020 v.28 pp. 4-7
ISSN:
2211-7539
Subject:
case studies,   etc   ; aspergillosis; debridement; hepatotoxicity; patients; pneumothorax;     Show all 6 Subjects
Abstract:
... Pleural aspergillosis (PA) is a rare but potentially fatal disease. Most cases are secondary to bronchopleural fistulae or pleural intervention and can occur in the absence of immunosuppression.We report a case of PA in a young patient after pleurodesis for recurrent pneumothorax. Clinical resolution was achieved with systemic and local antifungal therapy combined with surgical debridement. Hepato ...
DOI:
10.1016/j.mmcr.2020.02.004
PubMed:
32181124
PubMed Central:
PMC7063088

16. Ras Tanura Refinery desalination plant case study towards operational excellence

Author:
Abu Al-Saud, Hassan; Griman, Jose
Source:
Water resources and industry 2020 v.23 pp. 100124
ISSN:
2212-3717
Subject:
case studies,   etc   ; desalination; heat transfer; nozzles; seawater;     Show all 5 Subjects
Abstract:
... Ras Tanura Refinery desalination plants production has been historically limited for a number of factors. Major obstacles for low performance were heat transfer, plugging of spray nozzles, operating under severe scaling process, brine and distilled water level control, seawater velocity, chemical dosing, and poor strainers performance.Major challenges for the low performance in desalination plants ...
DOI:
10.1016/j.wri.2020.100124

17. Resisting, frustrating or embracing the urban agenda: Chieftaincies in Southern Africa examined constitutionally and statutorily

Author:
Chirisa, Innocent; Matamanda, Abraham R.; Mazanhi, Patience
Source:
Land use policy 2020 v.95 pp. 104618
ISSN:
0264-8377
Subject:
case studies,   etc   ; land use; landscapes; urbanization; Zimbabwe;     Show all 5 Subjects
Abstract:
... There is no comprehensive scholarship, which compares cases of how chieftaincies foster or hinder urban land use in Africa. What seems to exist are disparate pieces of literature focusing on different cases without offering a diagnostic picture of the way constitutions and statutes have been crafted across regions. The paper advances the argument that urbanisation is a reality and a sweeping force ...
DOI:
10.1016/j.landusepol.2020.104618

18. DeLoop: Decomposition-based Long-term operational optimization of energy systems with time-coupling constraints

Author:
Baumgärtner, Nils; Shu, David; Bahl, Björn; Hennen, Maike; Hollermann, Dinah Elena; Bardow, André
Source:
Energy 2020 v.198 pp. 117272
ISSN:
0360-5442
Subject:
case studies,   etc   ; energy; linear programming; prices;     Show all 4 Subjects
Abstract:
... Long-term operational optimization of energy systems results in challenging, large-scale problems. These large-scale problems can be directly decomposed into smaller subproblems, in the absence of time-coupling constraints and variables. However, time-coupling is common in energy systems, e. g. due to (seasonal) energy storage and peak-power prices. To solve time-coupled long-term operational opti ...
DOI:
10.1016/j.energy.2020.117272

19. The effect of inspection on deterioration rate: An inventory model for deteriorating items with advanced payment

Author:
Khakzad, Abolfazl; Gholamian, Mohammad Reza
Source:
Journal of cleaner production 2020 v.254 pp. 120117
ISSN:
0959-6526
Subject:
case studies,   etc   ; inventories; model validation; models; Iran;     Show all 5 Subjects
Abstract:
... In many inventory deterioration problems of real world, deterioration rate of some items may be affected by other adjacent items. Accordingly, the effect of deteriorated items on other items could be declined by removing them through inspection. In this sense, an inventory model for deteriorating items is introduced in this paper, considering the effect of inspection times during the replenishment ...
DOI:
10.1016/j.jclepro.2020.120117

20. A new measure of wind power variability with implications for the optimal sizing of standalone wind power systems

Author:
Yuan, Qiheng; Zhou, Keliang; Yao, Jing
Source:
Renewable energy 2020 v.150 pp. 538-549
ISSN:
0960-1481
Subject:
case studies,   etc   ; energy; latitude; wind power;     Show all 4 Subjects
Abstract:
... This paper proposes a new measure of wind power variability and investigates the impacts of wind power variability on the optimal sizing of Standalone Wind Power (SWP) systems. The proposed new measure of the wind power variability in the frequency domain, which mainly includes a cumulative energy distribution index and a fluctuation factor, is applied to assess the variability of wind power throu ...
DOI:
10.1016/j.renene.2019.12.121