Yazar "Şahin, Birol" için listeleme
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Analysis of the drying kinetics of freeze-dried persimmon at different cabin pressures using artificial neural network method
Topal, Muhammed Emin; Şahin, Birol; Vela, Serkan (Natl Inst Science, 2025)The main objective of this study is to freeze dry persimmon (Diospyros kaki) at three different cabin pressures (0.008 mbar, 0.010 mbar and 0.012 mbar) and product thicknesses (3 mm, 5 mm, and 7 mm) and, examine the drying ... -
Artificial neural network modeling techniques for drying kinetics of citrus medica fruit during the freeze-drying process
Topal, Muhammed Emin; Şahin, Birol; Vela, Serkan (MDPI, 2024)The main objective of this study is to analyze the drying kinetics of Citrus medica by using the freeze-drying method at various thicknesses (3, 5, and 7 mm) and cabin pressures (0.008, 0.010, and 0.012 mbar). Additionally, ... -
Bor Nanoparçacıklarının Doğal Taşınımla Isı Transferinde Nanoakışkan Olarak Kullanımının İncelenmesi ve Karşılaştırılması
Şahin, Birol (2020)Gelişen teknolojiyle birlikte kendine daha fazla uygulama alanı bulan ve dünya üzerindeki rezervlerin büyük bir çoğunluğu ülkemizde bulunan bor elementi aynı zamanda stratejik bir öneme de sahiptir. Bu nedenle bor elementinin ... -
Effects of different drying methods on Camellia sinensis: Investigation of quality parameters and drying kinetics using artificial neural networks
Topal, Muhammed Emin; Şahin, Birol (Elsevier, 2025)This study aimed to compare the drying kinetics and quality outcomes of tea leaves subjected to four different drying methods—freeze drying (FD), hot air drying (HAD), infrared drying (ID), and microwave drying (MWD). Six ... -
Effects of the center of linear heating position on natural convection and entropy generation in a linearly heated square cavity
Şahin, Birol (Pergamon-Elsevier Science Ltd, 2020)Entropy generation and heat transfer caused by the natural convection in a square cavity, which is linearly heated from one of the vertical walls and uniformly cooled from the other vertical wall, is studied numerically. ... -
The energy efficient configurations of natural convection heat transfer in square enclosures with heatlines
Şahin, Birol (Yildiz Technical Univ, 2018)A steady state natural convection heat transfer is numerically investigated in a two-dimensional square enclosure. One of the side walls of the enclosure is brought to high temperature and the upper wall is insulated. the ... -
Freeze-drying of tea leaves at different pressures: effects on the thin-layer drying kinetics, water activity and color change
Topal, Muhammed Emin; Şahin, Birol (Pakistan Agricultural Scientists Forum, 2025)The primary purpose of this study is to freeze-drying (FD) of tea leaves (Camellia sinensis) and determine the drying kinetics using six different drying models. For this intent, a nonlinear regression analysis was conducted ... -
Geleneksel konutların restorasyon sürecinde enerji etkin iyileştirilmesi: Trabzon evi örneği
Lakot Alemdağ, Esra; Şahin, Birol; Akkan Çavdar, Ayça (Giresun Üniversitesi, 2023)İnşaat sektörü küresel enerji kullanımında ve çevresel sorunlarda önemli bir paya sahiptir. Konutlarda enerji verimliliğini arttıracak önlemler ile iç mekân iklimsel konforu iyileştirilerek daha az enerji tüketen, ... -
Numerical analysis of entropy generation in a square cavity filled with boron-water nanofluid
Şahin, Birol (Springer Heidelberg, 2020)The entropy generation and natural convection in a square cavity filled with boron-water nanofluid is numerically investigated under the influence of different nanoparticle volume fractions and buoyancy forces when heated ...
