Evidence map›Paper›PMID 33286413›Full record

ArticleEntropy (Basel, Switzerland)2020

Performance Optimization of a Condenser in Ocean Thermal Energy Conversion (OTEC) System Based on Constructal Theory and a Multi-Objective Genetic Algorithm.

Zhixiang Wu, Huijun Feng, Lingen Chen, Yanlin Ge

Abstract read
In one paragraph

Article in Entropy (Basel, Switzerland), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

8 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Zhixiang WuInstitute of Thermal Science and Power Engineering, Wuhan Institute of Technology, Wuhan 430205, China.
Huijun FengInstitute of Thermal Science and Power Engineering, Wuhan Institute of Technology, Wuhan 430205, China.
Lingen ChenInstitute of Thermal Science and Power Engineering, Wuhan Institute of Technology, Wuhan 430205, China.ORCID 0000-0002-9012-6736
Yanlin GeInstitute of Thermal Science and Power Engineering, Wuhan Institute of Technology, Wuhan 430205, China.

Funding

National Natural Science Foundation of China 51506220
6 · The paper itself

Abstract

Constructal optimization of a plate condenser with fixed heat transfer rate and effective volume in ocean thermal energy conversion (OTEC) system is performed based on constructal theory. Optimizations of entropy generation rate ( S ˙ g ) in heat transfer process and total pumping power ( P sum ) due to friction loss are two conflicting objectives for a plate condenser. With the conventional optimization method, the plate condenser is designed by taking a composite function (CF) considering both S ˙ g and P sum as optimization objectives, and employing effective length, width, and effective number of heat transfer plates as design variables. Effects of structural parameters of the plate condenser and weighting coefficient of CF on design results are investigated. With a multi-objective genetic algorithm, the plate condenser is designed by simultaneously optimizing S ˙ g and P sum , and the Pareto optimal set is obtained. The results demonstrate that CFs after primary and twice-constructal optimizations are respectively reduced by 7.8% and 9.9% compared with the initial CF, and the effective volume of the plate condenser has a positive impact on the twice minimum CF. Furthermore, the Pareto optimal set can provide better selections for performance optimizations of plate condensers.

Indexed as

constructal theorygeneralized thermodynamic optimizationmulti-objective genetic algorithmmulti-objective optimizationocean thermal energy conversion systemplate condenser

Identifiers

PMID33286413
PMCPMC7517179

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