Zobrazeno 1 - 10
of 48
pro vyhledávání: '"Nelson K. Akafuah"'
Autor:
Adnan Darwish Ahmad, Nelson K. Akafuah, Jason Forthofer, Manabu Fuchihata, Taro Hirasawa, Kazunori Kuwana, Yuji Nakamura, Kozo Sekimoto, Kozo Saito, Forman A. Williams
Publikováno v:
Frontiers in Mechanical Engineering, Vol 9 (2023)
The authors are a team of fire whirl researchers who have been actively studying whirls and large-scale wildland fires by directly observing them through fire-fighting efforts and applying theory, scale modeling, and numerical simulations in fire res
Externí odkaz:
https://doaj.org/article/08fd2025e2e34e6798a674c868dc7053
Autor:
Mohammad Alrbai, Adnan Darwish Ahmad, Sameer Al-Dahidi, Ahmad M. Abubaker, Loiy Al-Ghussain, Hassan S. Hayajneh, Nelson K. Akafuah
Publikováno v:
Case Studies in Thermal Engineering, Vol 40, Iss , Pp 102509- (2022)
The use of biogas fuel in homogeneous charge compression ignition (HCCI) engines has been promoted recently due to the environmental advantages. However, hydrogen sulfide (H2S) forms a non-environment friendly content and biogas impurity that its rem
Externí odkaz:
https://doaj.org/article/91a8e4c9429c4f4fac4183c56df6f8e2
Autor:
Loiy Al-Ghussain, Adnan Darwish Ahmad, Ahmad M. Abubaker, Mohamed A. Mohamed, Muhammed A. Hassan, Nelson K. Akafuah
Publikováno v:
Case Studies in Thermal Engineering, Vol 39, Iss , Pp 102442- (2022)
In the context of refining countries’ transition plans toward 100% shares of renewable systems in the electric power grids by 2050, this study aims to investigate, for the first time, the potential of covering the increasing energy demand for elect
Externí odkaz:
https://doaj.org/article/0cdfc25ac5e04540a9ca3c204ea2e85c
Publikováno v:
Fluids, Vol 5, Iss 4, p 231 (2020)
Despite progress in laser-based and computational tools, an accessible model that relies on fundamentals and offers a reasonably accurate estimation of droplet size and velocity is lacking, primarily due to entangled complex breakup mechanisms. There
Externí odkaz:
https://doaj.org/article/fb24268b403f47619de3b1a7bb84cd38
Autor:
Loiy Al-Ghussain, Mohammad Abujubbeh, Adnan Darwish Ahmad, Ahmad M. Abubaker, Onur Taylan, Murat Fahrioglu, Nelson K. Akafuah
Publikováno v:
Energies, Vol 13, Iss 18, p 4908 (2020)
Many developing countries suffer from high energy-import dependency and inadequate electrification of rural areas, which aggravates the poverty problem. In this work, Al-Tafilah in Jordan was considered as a case study, where the technical, economic,
Externí odkaz:
https://doaj.org/article/bd8dedb0190b44a1a258378609bd6827
Publikováno v:
Applied Sciences, Vol 9, Iss 19, p 4041 (2019)
Recently, remarkable developments have taken place, leading to significant improvements in microfluidic methods to capture subtle biological effects down to single cells. As microfluidic devices are getting sophisticated, design optimization through
Externí odkaz:
https://doaj.org/article/0615aca15ccd4ddabd850f61e8ade25c
Autor:
Adnan Darwish Ahmad, Binit B. Singh, Mark Doerre, Ahmad M. Abubaker, Masoud Arabghahestani, Ahmad A. Salaimeh, Nelson K. Akafuah
Publikováno v:
Fluids, Vol 4, Iss 3, p 165 (2019)
In this study, we evaluated the fundamental physical behavior during droplet formation and flow from a rotary bell spray in the absence of an electrostatic field. The impact of a wide range of operating parameters of the rotary bell sprayer, such as
Externí odkaz:
https://doaj.org/article/7ee144d27cab4c799890035b4a5850fe
Autor:
Mark Doerre, Nelson K. Akafuah
Publikováno v:
Symmetry, Vol 11, Iss 7, p 937 (2019)
This brief paper explains the slight differences in governing equations for a fluid film in a spinning cone, and the mechanism that reduces the order of a solution. Spinning cones with a centrally supplied fluid that spreads over its inner surface as
Externí odkaz:
https://doaj.org/article/5f919f2e28134ee3b88410cf2da9de90
Autor:
Loiy Al-Ghussain, Adnan Darwish Ahmad, Ahmad M. Abubaker, Mohammad Alrbai, Osama Ayadi, Sameer Al-Dahidi, Nelson K. Akafuah
Publikováno v:
Energy Sources, Part A: Recovery, Utilization, and Environmental Effects. 45:523-541
Autor:
Mark Doerre, Nelson K. Akafuah
Publikováno v:
Journal of Coatings Technology and Research. 19:939-945
This article analyzes a published formulation of the Navier–Stokes equations cast into surface-following coordinates and provides some additional mathematical background to follow the article. Ubiquitous in the paint shops of automotive plants arou