Abstract
It is investigated that the Global Warming and Air Pollution (GWAP) issues are highly prioritized around the world. There is a high magnitude of contaminated hot heat (CHH) from hot fluids such as contaminated water, oils, and mixed oils; toxic oils increase the GWAP ON emission. Such GWAP can be controlled by applying the methods-techniques for optimizing the energy processes, evaluating the high energy absorption material among available materials and technological advancement in energy flow devices, optimizing design of energy systems and low heat emission strategy, etc. It is observed that nowadays, Thermal Energy Heat Exchanger Systems (TEHESs) are utilized in many industries for transferring the energy between two mineral or contaminated liquids, separated by walls. It is found that TEHESs are constructed by tube materials, might be contributed to control the GWAP if TEHESs are fabricated with composite material, and have a high absorbability index. The evaluation of the Energy Absorbability Index (EAI) of TEHES composite tube materials provides the two innovative solutions to TEHES designers such as choose the economic/cost TEHESs and initiate to green management (reducing minimizing the GWAP). On literature survey, a few research documents are found by authors, which focused on mathematical modelling of either O- (objective-) or S- (subjective-) dimensions of composite TEHES tube material evaluation models for computing EAI. It is also probed that those models are simulated by single or nondynamic material evaluation methods. Therefore, it is summarized that there are no still research document pertaining to integrated/mixed mathematical modelling of O-S- (objective-subjective-) dimensions of composite TEHES tube materials with dominance theory for computing EAI of composite TEHES tube materials. Said research gaps are respected as major research defies (help to minimize the GWAP or green management). To fulfil the said research defies, the authors developed and proposed the TEHES-O-S-composite tube material evaluation model by conducting literature and real industrial survey, consisting of seven TEHES-O and four TEHES-S tube material dimensions. The O-dimensions are framed by available O-rating/data, while S-dimension is framed S-rating. The TFNs (triangular fuzzy numbers) are used by a team of experts for assigning the appropriateness ratings vs. four TEHES-S composite tube material dimension, and priority weights are assigned vs. entire TEHES-O-S tube material dimensions. After data modelling of the TEHES-O-S-composite tube material evaluation model, defuzzification is carried out to normalize O-S-data. Later, the authors’ implemented integrated optimization technique “crisp VIKOR combined FMF technique” to evaluate the EAI of composite TEHES tube materials. As the reliability of results is an enormous concern, dominance theory is applied by conducting the comparative analysis among evaluated results and delivering the accurate and reliable results. The evaluated beast composite TEHES tube materials based on EAI linked to green management and economic concern of material. The research can be used by TEHES designers to minimize the GWAP across the universe.
Highlights
Introduction and Literature ReviewIt is seen that Energy Management (EM) always contributed to protect the universe from Global Warming and Air Pollution (GWAP)
It is probed by scientists via empirical surveys as well as recent research documents that high Energy Absorbability Index (EAI) of Thermal Energy Heat Exchanger Systems (TEHESs) materials extremely impact the performance of TEHESs; said materials aid TEHESs to produce the high energy transition between two separated toxic fluids without losing contaminated hot heat (CHH) to environments, indirectly helping to increase the green management and minimize the future GWAP vice versa
In the presented research work, the same is targeted by the authors by assessing the high EAI of TEHES composite TEHES tube material under TEHES-O-S-tube material dimensions
Summary
It is seen that Energy Management (EM) always contributed to protect the universe from GWAP. The TEHES tube material evaluation against high EAI requires the O-S (objective-subjective) dimension analysis simultaneously to become the potential device for reducing the GWAP. The authors ascertained that there are no still research document focused on mixed mathematical modelling of O-S- (objective-subjective-) dimension model with an integrated approach with dominance theory in the context of evaluating the EAI of composite TEHES tube material to control and minimize GWAP. To fulfil these research challenges, in the presented research work, the authors focused on right evaluation and selection of high EAI-TEHES tube material from available range of material alternatives, which aids TEHESs to minimize GWAP [1, 2]. The motivation of authors to explore the dominance theory in the presented research work is to serve the defuzzification-based robust simulation-integrated technique (VIKOR-FMF) in solving the TEHES-O-S tube material evaluation model for assessing EAI of composite TEHES tube materials. The TFN-aggregated fuzzy rating of alternatives with respect to each criterion can be defined as e~xijk
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