About
73
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Introduction
I am currently an independent researcher in the topics of engineering thermodynamics and heat transfer engineering with micro-level, component-level, and system-level studies. More details can be found on my website; www.bbkanbur.com. Recent publications can be found here or on my Google Scholar/Scopus/WebofScience pages (Scopus / Web of Science data is more scientific and trustable in my opinion).
Additional affiliations
April 2022 - November 2023
February 2019 - April 2022
Position
- Research Fellow
Description
- Worked on multiple projects at micro/component/system-scale levels with lab-/pilot-/real-scale setups. Experienced in experimental, numerical, and analytical works about data center cooling (liquid/air-cooled), small-scale power generation solutions, thermal management of 3D-printed components in plastic injection molding, thermal management of power sources, and droplet train impingement. More data can be found in my website: bbkanbur.com Note: From Feb to Jul 2019,I worked as a Research Assoc
Education
January 2015 - June 2019
February 2014 - July 2014
September 2012 - December 2013
Publications
Publications (73)
Purpose
Two-phase R-744 ejectors are critical components enabling energy recovery in R-744 heat pump and refrigeration systems, but despite their simple geometry, the flow physics involve complex multiphase mixing phenomena that need to be well-quantified for component and overall system improvement. This study aims to report on multiphase mixture...
Mean radiant temperature (MRT) is one of the six primary factors that determine thermal comfort in a given thermal environment. In this study, the average radiant temperature was determined using a calculation method based on the surrounding surface temperatures and view factors. The present study specifically investigated the use of calculated rad...
Snow and ice forming on the entrance and exit driveways of underground car parks of buildings brings serious difficulties and risks in safe parking for vehicles in winter. Even though traditional methods such as chemical salt and snow plowing reduce slippery conditions on driveways, they also result in infrastructure- and environment-related damage...
Metal additive manufacturing (MAM) is an effective way to fabricate conformal cooling channels (CCCs), which follow the curves of the plastic product in the mold body of the plastic injection. CCCs have free-curved pathways thanks to the design & manufacturing flexibilities of the MAM process so that they can achieve better cooling performance with...
Droplet train impingement is a fundamental approach to mimic the complicated interactions between the fluid and the substrate in advanced thermal engineering applications in industry. Differently from previous studies, the main original contribution of this study is to perform an inclined droplet train impingement on a non-uniformly heated surface....
This study proposed an original design of a cold plate for battery thermal management systems (BTMS) using selective laser melting (SLM) as one of the established metal additive manufacturing techniques. The cold plate had the dimensions of 50 mm×50 mm×6 mm with a cavity, where the coolant circulated, with a height of 4 mm. To increase the heat tra...
Indoor greenery is an energy-efficient and sustainable solution for living spaces thanks to its positive impacts on indoor air and environmental quality. This study presents experimental research to see the impact of a living green wall based on vegetation systems on the removal of total volatile organic compounds (TVOCs). The living space is a rea...
Plant-based vegetation systems are economically feasible and energy-efficient applications to reduce particle matters and volatile organic compounds in indoor environments. The impact of these systems depends on their location and operating conditions. This study focuses on the impact of a real plant-based green wall system, which consists of 128 p...
Conformal cooling channels (CCCs) are widely used in the plastic injection molding process to improve the product quality and operational performance. Tooling that incorporates CCCs can be fabricated through metal additive manufacturing (MAM). The present work focuses on the MAM of a plastic injection mold insert with different CCC types that are c...
The present study investigates thermal gradients on the heated aluminum and glass surfaces during ethanol droplet train impingement in the surface temperature ranges of 140°C–240°C. The ethanol droplet impingement is applied with an incline of 63 degrees and the droplet diameter is 0.2 mm in both aluminum and glass surface experiments. Thermal grad...
Steady-state hydrodynamic patterns of ethanol droplet train impingement on the heated aluminum surface is investigated in the surface temperature range of 80°C–260°C using two different Weber numbers (We) of 618 and 792. Instead of a vertical train impingement, the droplet train is sent to the aluminum surface with an incline of 63 degrees. Changes...
The transition of high-speed and high-frequency ethanol droplet train impingement on the glass substrate is investigated according to the surface temperature range of 80∘C-230∘C along 50 milliseconds. The Weber numbers of 1145, 1400, and 2067 are obtained using three different pinhole diameters in the droplet generator nozzle. Steady-state spreadin...
Nanoparticle-laden sessile droplet drying has a wide impact on applications. However, the complexity affected by the droplet evaporation dynamics and particle self-assembly behavior leads to challenges in the accurate prediction of the drying patterns. We initiate a data-driven machine learning algorithm by using a single data collection point via...
The study is to perform thermodynamic, economic and thermoeconomic assessments for two different direct immersion cooling data center systems which are the single-phase and the two-phase immersion cooling systems with the operating ranges of 3.2–27.6 kW and 6.8–15.9 kW, respectively. The two-phase cooling system achieves 72–79% better coefficient o...
Conformal cooling is an additive manufacturing-based solution and it is a rapidly developing method for reducing the cooling time of the plastic injection process. The present study investigates the thermal and mechanical performances of the 3D-printed conformal cooling channels using computational analyses and multi-objective optimization. For a r...
The waste heat management of the data center cooling systems has a significant share in the energy‐efficient operations of the data centers. In this study, a new hybrid desalination‐data center cooling system is proposed to reduce the cost drawback of the waste heat in the data center cooling operations. A two‐phase liquid‐immersion cooling unit is...
Plastic injection molding is a manufacturing process for producing part by injecting molten plastic into a mold. The performance of the plastic manufacture relies largely on the cooling. Conformal cooling channel (CCC) via additive manufacturing is very helpful in reducing the cooling time and makes injection modeling be cost saving. In this paper,...
The liquid-cooling data center (DC) systems have been becoming important for the rapidly developing in high-performance processors since the traditional air-cooled DC systems cannot efficiently manage them due to high heat dissipation rates. Two-phase liquid-immersion cooling is one of the promising direct liquid-cooled DC systems, but its system-s...
The heat dissipation from the battery surface significantly affects battery performance and lifetime. This study proposes a new and an alternative method to predict the thermal performance of the battery operation according to the surface temperature gradients and heat & exergy losses by using a data-driven dynamic mode decomposition method, which...
Although there has been a lot of waste heat utilization studies for the air‐cooled data center (DC) systems, the waste heat utilization has not been studied for the liquid‐cooled DC systems, which have been rapidly gaining importance for the high‐performance Information and Communication Technology facilities such as cloud computing and big data st...
The recent developments in the additive manufacturing make easier and affordable the fabrication of conformal cooling channels (CCCs) compared with the traditional machining techniques. Conformal cooling channels (CCCs) achieve better cooling performances than the conventional (straight-drilled) channels during the injection molding process since t...
The recent developments in the additive manufacturing make easier and more affordable the fabrication of conformal cooling solutions for the injection molding processes compared to the traditional straight-drilled cooling structures. This paper presents four different conformal cooling cavities. Their thermal and mechanical performances are analyze...
Injection molding is widely used in plastic product manufacturing process. The product quality and the cost-effectiveness highly depend on the cooling step in the molding process. Thanks to the development of additive manufacturing techniques, conformal cooling channel (CCC) becomes a promising alternative for channel design. In this paper, three C...
Small‐scale‐liquefied natural gas (LNG) cold‐utilized power generation systems are the sustainable solutions in the rural and inland areas where the large‐scale power generation is infeasible. This study investigates three different small‐scale LNG cold‐utilized power generation systems, which are called as the single, combined, and carbon dioxide...
Liquefied natural gas (LNG), a clean fuel type mainly containing methane, has been becoming more popular amongst the other fuels for the power generation systems. Although there are a lot of thermodynamic and thermoeconomic assessments about the LNG fired power generation systems, the environmental and sustainability aspects have still lack investi...
In the present study, a new small-scale cryogenic CO2 capture and LNG cold utilization system is investigated through the exergetic and thermoeconomic approaches. During the system operation, the condensed water is obtained as the byproduct. The power generation rate and the exergy efficiency reach their maximum points with 27.29 kW and 28.86% at t...
Capturing carbon dioxide under the cryogenic conditions has attracted more attention in the industrial applications. Despite of several large scale studies, the cryogenic carbon dioxide capture has not been well studied for the small scale power generation systems. In this study, a cryogenic carbon dioxide system is proposed for the small scale app...
Liquefied natural gas (LNG) cold utilized micro cogeneration systems are the feasible and sustainable solutions for the inland regions where the large scale LNG cold utilization or the conventional pipeline systems are not economically applicable. The present study investigates the single and combined systems in three LNG importing countries by usi...
The present paper investigates the dynamic energetic, exergetic and environmental performances of two different small-scale LNG cold utilized micro-cogeneration systems under the different climate conditions. The hourly weather data are collected for Singapore, and the dynamic simulations are performed according to the hourly data for each month. T...
The present study aims to conduct multiobjective optimization investigations by using the genetic algorithm on the small scale and combined LNG cold utilized micro cogeneration system. The system combines the Stirling engine and the microturbine plant with the related heat exchanger for the hot water production. Before the optimization, thermodynam...
Natural gas is one of the cleanest forms of fossil fuels and its usage is rising since the importance of environment-friendly conversion systems has been seen. Liquefied natural gas (LNG) and pipeline technologies are two present methods for the natural gas transportation between the exporter and importer. This review presents the LNG cold utilizat...
Liquefied natural gas cold utilization systems are used in the processes of three different inlet air-cooled microturbine systems to investigate the overall performances with respect to the life cycle-related enviroeconomic and thermal approaches as new defined aspects. The inlet air cooling applications increase the thermal efficiency and the powe...
Life cycle assessment (LCA) based thermoeconomic modelling has been applied for the evaluation of energy conversion systems since it provided more comprehensive and applicable assessment criteria. This study proposes an improved thermoeconomic method, named as life cycle integrated thermoeconomic assessment (LCiTA), which combines the LCA based env...
Few studies have been studied on the LNG cold utilization with micro-cogeneration systems while many studies were related to large scale power generation systems. This study proposes a combined LNG cold utilized micro-cogeneration system which includes an LNG pump, an LNG vaporizer, a combustion chamber, a recuperator, a compressor, a gas turbine a...
Exergy analyses provide to investigate the available work performance of thermal cycles. In this study, exergy analyses have been conducted for the conventional micro-cogeneration system and the Liquefied Natural Gas (LNG) cold utilized micro cogeneration system, respectively to detect exergy destruction and loss ratios which are related to second...
Few studies have been reported for the small scale LNG regasification units in power generation systems although many applied LNG cold utilization systems exist for the large scale regasification plants. Impact of the LNG cold utilization system is investigated for the micro cogeneration systems thermoeconomically. An exergy-cost matrix is generate...
Liquefied natural gas (LNG) cold utilized micro-cogeneration systems can be used as a part of small scale LNG regasification processes. The study proposes a LNG cold utilized micro-cogeneration system which combines a Stirling engine and a micro gas turbine. The combined system is compared to a conventional micro-cogeneration system the point of th...
The reason radiant heating systems are highly preferred in recently designed or a modernized construction is due to their energy efficiency and low exergy destruction. Radiant heating systems are different from typical HVAC systems because they heat surfaces rather than air and can save large amounts of energy while providing higher levels of comfo...
In this study characteristics of a model room with dimensions 6 m � 4 m � 3 m has been investigated using Computational Fluid Dynamics method with regard to thermal comfort, in case of that the room is heated and cooled by the means of radiant panels. Both general thermal comfort parameters [PMV (percentage mean vote), PPD (predicted percentage of...
Concretes and reinforced concretes have been important for years in construction technology. Although the mechanical properties of concretes and reinforced concretes are the most crucial criteria for preference, the thermal properties are also important in recent years owing to rising interests in renewable energy and net zero energy building techn...
Concretes and reinforcement concretes have been important for years in structure technology. Although the mechanical properties of concretes and reinforced concretes are the most crucial criteria for preference, the thermal properties are also important in recent years owing to developments in renewable energy and net zero energy building technolog...
Owing to developing of plastic industry, the researches about plastics rose. In this study, the effect of the new developed aircore on cooling quality was investigated for undercutting situations of injection moulding. As a result of this study, the positive outputs were obtained. Thus, the positive effects was thought for economy and industry. In...
Large part of heat loss from buildings occurs through external walls. Therefore, thermal insulation is applied to reduce it, where insulation thickness is a significant parameter. In this study; effect of external insulation thickness of a radiant heating panel mounted wall on heat loss was investigated by using two different methods, that is, nume...
Radiant heating panels provide low temperature heating applications. Therefore they can be applied with renewable sources such as heating pumps, solar energy. Owing to this applications, the radiant heating systems provide more energy savings than the conventional systems. Energy savings depend on the heat flux of radiant panel. Panels generate dif...
ZET Bu çalışmada duvardan ısıtmada kullanılan bir sulu (hidronik) radyant panelde farklı tasarım parametrelerine göre panel ısı transfer özellikleri hesaplamalı akışkanlar dinamiği (HAD) kullanılarak incelenmiştir. Bu tasarım parametrele-ri başlıca; kanatlı yüzey işlevi gören folyo tabakasının kalınlığı, borulama mesa-fesi ve panel suyu giriş sıcak...
In this study, the affect of wind loads was investigated numerically, within the framework of urban regeneration in Istanbul to observe the effects of wind loads acting on striking high-rise buildings, high-and low-rise buildings their interactions. Ansys Fluent Computational Fluid Dynamics (CFD) software package program is used in this examination...
In this study, thermal comfort situation of room was investigated with Compitational Fluid Dynamic(CFD) method according to both general thermal comfort parameters(PMV,PDD,operating temperature) and local thermal comfort parameters (radiant temperature asymmetry, draught, vertical air temperature difference, warm and cool floors) which described by...
In this study, heat transfer characteristics of a wall-heating hydronic radiant panel model is investigated in terms of some design parameters by making use of Computational Fluid Dynamics (CFD). These parameters are thickness of the aluminum foil, which serves as an extended surface, pipe-spacing and panel water inlet temperature. Numerical soluti...
In this study, the affect of wind loads was investigated numerically, within the framework of urban regeneration in Istanbul to observe the capability of natural ventilation according to the effects of wind loads acting on striking high-rise buildings which have glass curtain wall systems. Ansys Fluent Computational Fluid Dynamics (CFD) software pa...
Turkey consumes in large part of her energy for residential heating, as a foreign-dependent country for energy. By this, thermal insulation applications are important factor for energy savings. Optimum insulation thickness changes according to different heating/cooling regions of Turkey. Therefore, many studies have investigated the optimum insulat...