Search Results - "Ahmadein, M."

Investigation and performance analysis of solar still with energy storage materials: An energy- exergy efficiency analysis by Mevada, Dinesh, Panchal, Hitesh, Ahmadein, M., Zayed, Mohamed E., Alsaleh, Naser A., Djuansjah, Joy, Moustafa, Essam B., Elsheikh, Ammar H., Sadasivuni, Kishor Kumar

“…Researchers have attempted different Energy storage materials (ESM) in solar stills (SS) to improve distillate yield. In this experimental work, an attempt was…”
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Analysis of macrosegregation formation and columnar-to-equiaxed transition during solidification of Al-4 wt.%Cu ingot using a 5-phase model by Ahmadein, M, Wu, M, Ludwig, A

“…A 5-phase mixed columnar-equiaxed solidification model was recently introduced to predict the as-cast structure, and a series of laboratory experiments were…”
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Modeling of cooling and heat conduction in permanent mold casting process by Ahmadein, M., Elsheikh, Ammar H., Alsaleh, Naser A.

“…Motivated by the need to understand the heat transfer process in permanent mold casting, the heat conduction problem in the casting and the mold is modeled as…”
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Improving the mechanical properties and coefficient of thermal expansion of molybdenum-reinforced copper using powder metallurgy by Ahmadein, M, El-Kady, Omayma A, Mohammed, M M, Essa, Fadl A, Alsaleh, Naser A, Djuansjah, Joy, Elsheikh, Ammar H

“…Abstract This paper presents an experimental study of Cu-Mo alloys prepared by powder metallurgy (PM) method. Also, improving the dispersion and wettability of…”
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Analysis of macrosegregation formation and columnar-to-equiaxed transition during solidification of Al-4wt.%Cu ingot using a 5-phase model by Ahmadein, M., Wu, M., Ludwig, A.

“…A 5-phase mixed columnar-equiaxed solidification model was recently introduced to predict the as-cast structure, and a series of laboratory experiments were…”
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Grain Nucleation Parameters for Aluminum Alloys: Experimental Determination and Model Validation by Ahmadein, M., Pustal, B., Berger, R., Subašić, E., Bührig-Polaczek, A.

“…A statistical grain nucleation model was implemented as a part of a multiphase flow and solidification simulation code for metallic alloys. Three…”
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Heat Transfer Coefficient Determination in a Gravity Die Casting Process with Local Air Gap Formation and Contact Pressure Using Experimental Evaluation and Numerical Simulation by Vossel, T., Wolff, N., Pustal, B., Bührig-Polaczek, A., Ahmadein, M.

“…Anticipating the processes and parameters involved for accomplishing a sound metal casting requires an in-depth understanding of the underlying behaviors…”
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The resolution of analogue measuring devices and its associated uncertainty: An investigation with practical recommendations by Hawam, Ahmed A., El_Kassas, A.M., Mahmoud, Gouda M., Hasan, Ebtisam H., Ahmadein, M.

“…Despite the popularity of the analogue measuring devices, there is no recognized reference provided comprehensive guidelines for determining their resolution…”
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Premature melt solidification during mold filling and its influence on the as-cast structure by WU, M., AHMADEIN, M., LUDWIG, A.

“…Premature melt solidification is the solidification of a melt during mold filling. In this study, a numerical model is used to analyze the influence of the…”
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Determination and verification of the gap dependent heat transfer coefficient during permanent mold casting of A356 aluminum alloy by Ahmadein, M., Pustal, B., Wolff, N., Bührig‐Polaczek, A.

“…In complex castings, the heat transfer across the casting / mold interface depends on the local gap size and contact pressure. Thus, an experimental setup is…”
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Determination and verification of the gap dependent heat transfer coefficient during permanent mold casting of A356 aluminum alloy: Bestimmung und Verifikation des spaltabhängigen Wärmeübergangskoeffizienten im Dauerformguss einer A356 Aluminium‐Legierung by Ahmadein, M., Pustal, B., Wolff, N., Bührig‐Polaczek, A.

“…Abstract In complex castings, the heat transfer across the casting / mold interface depends on the local gap size and contact pressure. Thus, an experimental…”
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Numerical study of the influence of mold filling conditions on the as-cast structure of Al-4 wt.% Cu ingots by Ahmadein, M., Wu, M., Ludwig, A.

“…In the last few decades research efforts were conducted to grasp good understanding about the origin of equiaxed and columnar grains formed during…”
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