Performance optimization of a hybrid PV/T solar system using Soybean oil/MXene nanofluids as A new class of heat transfer fluids

Rubbi, Fazlay; Habib, Khairul; Saidur, R.; Aslfattahi, Navid; Yahya, Syed Mohd; Das, Likhan

doi:10.1016/j.solener.2020.07.060

Cited by 133 publications

(58 citation statements)

References 71 publications

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“…This is because of the effect of the centrifugal inertial force of the big-rod-end and the angular speed of the crankshaft in Eq. (8). Thus, the LE-FPL of the CB can be affected by the operation parameters of the CB.…”

Section: Resultsmentioning

confidence: 99%

“…However, the oil film thickness is affected not only by the speed and load of the SCM but also by its thermal and dynamic viscosity. Research on the characteristics and optimisation of the heat transfer efficiency of the oil were also performed [7][8][9], and the neuro-network method was then applied to predict the dynamic viscosity of the oil during the working period [10]. Therefore, the film thickness of the oil could control.…”

Section: Introductionmentioning

confidence: 99%

“…Still, conversely, outside of the rotation angle of 360 o to 410 o , the maximum W is obtained at 6000 rpm. This is because of the effect of the centrifugal inertial force of the big-rod-end and the angular speed of the crankshaft in Eq (8)…”

mentioning

confidence: 99%

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Study on Lubrication Efficiency and Friction Power Loss of Engine Based on a Hybrid Hydrodynamic Model

Jiao

Nguyen

2021

IJAME

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Friction loss is one of the main factors affecting engine power. Reducing friction power losses to improve the power of engines is a significant concern for designers. Especially, under the background of energy-saving and emission reduction, it is indispensable to carry out an in-depth investigation on engine bearing lubrication characteristics. Unlike the previous studies of separate modelling, a new modelling method of coupling the dynamic and lubrication model is proposed in this paper. The bearing capacity, friction force, friction coefficient and eccentricity ratio were taken as the evaluation criterion, and the influence of design parameters such as angular speed, bearing radius and width on the lubrication efficiency and friction power loss (LE-FPL) were studied. The results indicate that increasing the angular speed, bearing radius or width can effectively reduce the eccentricity ratio and raise the minimum oil film thickness, which is beneficial to improve the lubrication efficiency. However, the above methods to improve engine lubrication efficiency will lead to more power loss of engine to a certain extent. Therefore, studies on reducing the friction power loss for the engine and on improving the lubrication efficiency for the engine should be considered coordinately in the dynamic design and optimisation of the engine.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Study on Lubrication Efficiency and Friction Power Loss of Engine Based on a Hybrid Hydrodynamic Model

Jiao

Nguyen

2021

IJAME

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“…0.1 wt% Ti 3 C 2 T x increased the thermal conductivity of silicone and soybean oil by ca. 60%, and little degradation was observed over a period of 2 weeks [41,45]. G ′ ) and loss ( G ′′ ) moduli as a function of oscillatory strain amplitude; G ′ is plotted with markers, and G ′′ is plotted without.…”

Section: Mxene In Non-aqueous Solventsmentioning

confidence: 99%

Investigating the rheology of 2D titanium carbide (MXene) dispersions for colloidal processing: Progress and challenges

Greaves

Mende

Wang

et al. 2021

Journal of Materials Research

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Among 2D materials, MXenes (especially their most studied member, titanium carbide) present a unique opportunity for application via colloidal processing, as they are electrically conductive and chemically active, whilst still being easily dispersed in water. And since the first systematic study of colloidal MXene rheology was published in 2018 (Rheological Characteristics of 2D Titanium Carbide (MXene) Dispersions: A Guide for Processing MXenes by Akuzum, et al.), numerous works have presented small amounts of rheological data which together contribute to a deeper understanding of the topic. This work reviews the published rheological data on all MXene-containing formulations, including liquid crystals, mixtures and non-aqueous colloids, which have been used in processes such as stamping, patterning, 2D and 3D printing. An empirical model of aqueous titanium carbide viscosity has been developed, and recommendations are made to help researchers more effectively present their data for future rheological analysis. Graphic abstract

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“…Performance evaluation of the thermal and electrical efficiency of a PV/T system studied byRubbi et al (2020).…”

mentioning

confidence: 99%

A Review of the Recent Development of Photovoltaic/Thermal (PV/T) Systems and Their Applications

Noxpanco

Wilkins

Riffat

2020

Future Cities and Environment

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Hybrid photovoltaic/thermal systems have become an important energy technology due to their capacity of producing electrical and thermal energy simultaneously, their ease of integration into buildings and good overall performance. Conventional PV systems generate waste energy in the form of heat during the conversion of solar radiation into electricity. It has been shown that the electrical efficiency of PV panels decays with the rise in the PV cell temperature. Therefore, PV performance can be optimised if this heat is removed. Air and water are the most common media used for heat removal and the energy can then be used for heating applications in buildings. In the last five decades, researchers worldwide have carried out experimental studies, simulations and numerical modelling of different types of PV/T systems. In addition to water and air, heat removal methods such as refrigerants, PCM, heat pumps and nanofluids have been analysed. This work presents an overview and discussion of the research of the different PV/T thermal control systems of the last five years. The present study highlights key points of the different techniques that exist, such as overall efficiencies, parameters and configurations, type of system, the nature of work, country of development and applications. Based on this study, it was concluded that the PV/T systems are auspicious technology and that further work should be focused on the aesthetics of the systems to promote acceptance and improvement of the efficiency.

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Performance optimization of a hybrid PV/T solar system using Soybean oil/MXene nanofluids as A new class of heat transfer fluids

Cited by 133 publications

References 71 publications

Study on Lubrication Efficiency and Friction Power Loss of Engine Based on a Hybrid Hydrodynamic Model

Study on Lubrication Efficiency and Friction Power Loss of Engine Based on a Hybrid Hydrodynamic Model

Investigating the rheology of 2D titanium carbide (MXene) dispersions for colloidal processing: Progress and challenges

A Review of the Recent Development of Photovoltaic/Thermal (PV/T) Systems and Their Applications

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