Zobrazeno 1 - 10
of 777
pro vyhledávání: '"turbulators"'
Autor:
Seyed Soheil Mousavi Ajarostaghi, Ali Basem, Khalid Waleed Al-Mansoori, Abbas J. Sultan, Mortatha Al-Yasiri, Seyed Hossein Hashemi Karouei, Hossein Ahangaran
Publikováno v:
International Journal of Thermofluids, Vol 24, Iss , Pp 100830- (2024)
Due to the necessity of performing thermal operations, heat exchangers are widely employed in many different areas. The heat transfer and fluid flow within a spiral double-pipe heat exchanger fitted with a novel turbulator were numerically assessed i
Externí odkaz:
https://doaj.org/article/ebf82b367b694eac997b21020f229bc9
Publikováno v:
Heliyon, Vol 10, Iss 9, Pp e30333- (2024)
Based on the significance of heat transfer in tubular flows, various methods of heat transfer enhancement have been developed by scholars. The use of turbulator inserts like twisted tapes is widely discussed and suggested by researchers, and many stu
Externí odkaz:
https://doaj.org/article/16140480cd194814b2af88e3efe70ad7
Autor:
Neaman Sohrabi, Karrar A. Hammoodi, Ahmad Hammoud, Dheyaa J. Jasim, Seyed Hossein Hashemi Karouei, Javad Kheyri, Hossein Nabi
Publikováno v:
Case Studies in Thermal Engineering, Vol 55, Iss , Pp 104037- (2024)
This research investigates the heat transfer and pressure drop characteristics of a conical spiral tube heat exchanger. The study specifically focuses on the application of Ag-HEG (Silver–Hydrogen exfoliated graphene) nanofluid and various turbulat
Externí odkaz:
https://doaj.org/article/c926ff5887dd4d8485e009221831b3af
Publikováno v:
International Journal of Thermofluids, Vol 21, Iss , Pp 100577- (2024)
Heat exchangers (HE) are one of the vital heat transfer equipment that have various applications in disparate industries. In this regard, countless methods have been implemented to increase and optimize the heat transfer process inside them. However,
Externí odkaz:
https://doaj.org/article/732aa00ffb2c4ac382791a97da997279
Autor:
Alawi Omer A., Kamar Haslinda Mohamed, Falah Mayadah W., Hussein Omar A., Abdelrazek Ali H., Ahmed Waqar, Eltaweel Mahmoud, Homod Raad Z., Al-Ansari Nadhir, Yaseen Zaher Mundher
Publikováno v:
Nanotechnology Reviews, Vol 12, Iss 1, Pp 267-79 (2023)
Mono, hybrid, and ternary nanofluids were tested inside the plain and twisted-tape pipes using k-omega shear stress transport turbulence models. The Reynolds number was 5,000 ≤ Re ≤ 15,000, and thermophysical properties were calculated under the
Externí odkaz:
https://doaj.org/article/6374e86b4ea34a37a57588860b43196b
Publikováno v:
Case Studies in Thermal Engineering, Vol 49, Iss , Pp 103263- (2023)
Simulations of laminar air flow and thermal configurations through a heat exchanger tube (HXT) equipped with X-V baffles (XVB) are performed. The Reynolds number is between 100 – 2000. The current numerical problem is solved by a numerical method (
Externí odkaz:
https://doaj.org/article/d7cd32f5acf74566b3d0600295181e4d
Akademický článek
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Akademický článek
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Akademický článek
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Autor:
Peng Yin, Yaser Mohamed Hasan, Bashar S. Bashar, Musaddak Maher Abdul Zahra, Munthir Mohammed Radhy AL Kubaisy, Hadeel Majed, Israa Alhani, Emad Salaam Abood, Salema K. Hadrawi, As'ad Alizadeh, Maboud Hekmatifar
Publikováno v:
Case Studies in Thermal Engineering, Vol 41, Iss , Pp 102571- (2023)
In this paper, the study and simulation of turbulent flow inside a parabolic solar collector tube equipped with two spring insert samples with two different pitch ratios (P/D = 0.22, 0.44) and a specific cross-section are investigated. Heat transfer
Externí odkaz:
https://doaj.org/article/0c0fc511f4124922a11a1fcb2d02119c