Improving performance evaluation coefficient and parabolic solar collector efficiency with hybrid nanofluid by innovative slotted turbulators

Ibrahim, Syed; Aamir, Nudrat; Mousa, Abd Allah A.; Hamam, Haneen; Alhowaity, Awatif; Ali, Vakkar; Ibrahim, Muhammad; Saeed, Tareq

doi:10.1016/j.seta.2022.102391

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The Major Techniques Of Ht Development In Tt1

Introduction1

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Cited by 5 publications

(2 citation statements)

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“…Sadeghi et al [ 97 ] works on HT characteristics with nano-fluids. Ibrahim et al [ 99 ] studied the efficiency of parabolic trough collector. Table 2 shows the outline of optimal parameters of literature review on TTs.…”

Section: The Major Techniques Of Ht Development In Ttmentioning

confidence: 99%

A review of different twisted tape configurations used in heat exchanger and their impact on thermal performance of the system

Khargotra

Kumar

Nadda

et al. 2023

Heliyon

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Section: The Major Techniques Of Ht Development In Ttmentioning

confidence: 99%

A review of different twisted tape configurations used in heat exchanger and their impact on thermal performance of the system

Khargotra

Kumar

Nadda

et al. 2023

Heliyon

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“…The findings demonstrated that by increasing the Re, the energy efficiency and exergy efficiency experienced maximum improvements of 23.79% and 21.15%, respectively. A novel twisted strip geometry that enhances the efficiency (η) of solar collectors by reducing (ΔP) was proposed by Ibrahim et al 5 . Their testing fluid was SWCNT- CuO /H 2 O hybrid nanofluid.…”

Section: Introductionmentioning

confidence: 99%

Numerical simulation for impact of implement of reflector and turbulator within the solar system in existence of nanomaterial

Sheikholeslami

Jafaryar

2023

Sci Rep

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Turbulent flow of oil based hybrid nanofluid within an absorber tube of concentrated solar system has been evaluated in this article. To concentrate the solar irradiation, the parabolic plate has been located below the tube and variable heat flux was considered as the boundary condition of the tube. The presence of a turbulator within the circular tube causes secondary flow to increase. Both thermal (Sgen,th) and frictional (Sgen,f) components of irreversibility were reported in outputs. As Re increases, the residence time decreases and lower outlet temperature has been achieved. Sgen,th decreases about 57.36% with growth of Re while Sgen,f increases about 17.44 times. As the number of rows of tapes increases, the value of Sgen,f enhances about 69.23% while the value of Sgen,th decreases around 3.67%. Increase of pitch ratio causes Sgen,th to decrease about 11.25% while frictional component increases around 76.7%.

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Limitations and challenges of heat transfer enhancement techniques in solar thermal collectors: A review

Omeiza,

Abid,

Subramanian

et al. 2023

J. Cent. South Univ.

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Improving performance evaluation coefficient and parabolic solar collector efficiency with hybrid nanofluid by innovative slotted turbulators

Cited by 5 publications

References 57 publications

A review of different twisted tape configurations used in heat exchanger and their impact on thermal performance of the system

A review of different twisted tape configurations used in heat exchanger and their impact on thermal performance of the system

Numerical simulation for impact of implement of reflector and turbulator within the solar system in existence of nanomaterial

Limitations and challenges of heat transfer enhancement techniques in solar thermal collectors: A review

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