Başlık için Makine Mühendisliği Bölümü Koleksiyonu listeleme
Toplam kayıt 245, listelenen: 1-20
-
Alumina and titanium nanoparticles to diesel–Guizotia abyssinica (L.) biodiesel blends on MFVCR engine performance and emissions
(Elsevier, 2024)Deteriorating air quality and diminishing fossil fuel reserves drive the demand for alternative fuels. Biodiesel from animal and plant sources appears promising, but it has drawbacks like lower thermal efficiency and higher ... -
Analysing the impact of insulating material properties on the thermal performance of a novel composite precast concrete walling system exposed to elevated temperatures
(Elsevier, 2023)The use of prefabricated elements is widely adopted in the construction sector to reduce the necessary on-site construction works and time, to maximise efficiency in material use and to mitigate on-site fabrication and ... -
Analysis of a wall cooling system using a heat pump
(Pergamon-Elsevier Science Ltd, 2016)In this study, a vertical ground source heat pump wall cooling system that belongs to the Yildiz Renewable Energy House at the Davutpasa Campus of Yildiz Technical University was studied both experimentally and theoretically. ... -
Analysis of effective parameters of building’s glazing on energy savings and carbon emission mitigation prospective
(Taylor & Francis Ltd., 2022)The optimal window-to-wall-ratio of the glazing systems and the wall thickness of the building will help reduce energy consumption in the buildings. The current work explores the spectral characteristics of clear, tinted ... -
Analysis of the benefits of adopting roof sandwich panels integrated with PCM versus PUR to mitigate energy costs and carbon dioxide emissions
(Elsevier, 2024)The construction industry's thirst for power has skyrocketed on a global scale. A significant amount of this power is used for buildings' heating, ventilation, and air-conditioning needs (HVAC systems), which in turn ensure ... -
Applications of solar PV tree systems with different design aspects and performance assessment
(Oxford University Press, 2022)Solar energy is deemed as the most abundant, reliable, eco-friendly and totally free resource of energy. There is a wide range of techniques to harness solar energy for different purposes. Among all the available methods, ... -
Assessing performance of an external compound parabolic concentrator solar collector with cascaded latent heat thermal storage
(Wiley, 2024)This study presents quantitative results of charging experiments conducted on cascaded thermal energy storage system (CTESS) integrated with external compound parabolic concentrator solar collector (XCPCSC). Increasing ... -
Assessment of exergetic sustainability indicators for a single layer solar drying system
(Inderscience Enterprises Ltd, 2015)This paper aims to develop and assess the exergetic sustainability indicators for a single layer solar drying process of the shelled and unshelled pistachio samples. For this purpose, in terms of the Second Law of ... -
Assessment of the thermo-hydraulic efficiency of an indoor-designed jet impingement solar thermal collector roughened with single discrete arc-shaped ribs
(MDPI, 2022)This study illustrates the impact of single discrete arc-shaped ribs (SDASR)-type artificial roughness on the performance of a jet impingement solar thermal collector (JISTC). The impact of parametric variations of SDASR ... -
Bor ile yapılan tane inceltmenin Al-30Zn alaşımının mikroyapı ve mekanik özelliklerine etkisi
(Gazi Univ, Fac Engineering Architecture, 2019)In this study, one binary aluminum-zinc (Al-30Zn) alloy and nine ternary aluminum-zinc-boron [Al-30Zn-(0.01-2) B] alloys were produced by permanent mold casting method. Structural properties of the produced alloys were ... -
Characterization of biodiesel based on plastic pyrolysis oil (PPO) and coconut oil: Performance and emission analysis using RSM-ANN approach
(Elsevier, 2023)The work presents comparative study of the production and characterisation of sustainable biodiesel fuel made from waste plastics and virgin coconut oil. For characterisation, various chemical tests were performed, including ... -
The combined effects of filling ratio and inclination angle on thermal performance of a closed loop pulsating heat pipe
(Springer, 2021)In the present study, a series of experiments are conducted to investigate the thermal performance of a copper made pulsating heat pipe consisting of uniform flow passages with the cross section of 2 mm x 2 mm. Test ... -
Combined influence of artificial nucleation site and expanding cross section on flow boiling performance of micro pin fins
(Elsevier, 2022)Present paper experimentally studies combined influence of artificial nucleation sites and expanding cross section on saturated flow boiling performance of heat sinks with micro pin fins. Thermal and visualization-based ... -
Common applications of thin layer drying curve equations and their evaluation criteria
(Springer International Publishing, 2014)In this study, thin layer drying curve equations commonly used in the literature between 2003 and 2013 are systematically discussed and evaluated in terms of their applications and selection for thin layer drying processes ... -
Comparison of energy performance and static loads on a building integrated wind, solar, and rainwater harvester
(Springer International Publishing, 2014)In recent years, sustainable energy and green buildings are developed as important issues. Many helpful systems were developed to profit from advantages of different renewable energy sources. However, the research on ... -
Component-based exergetic measures of an experimental turboprop/turboshaft engine for propeller aircrafts and helicopters
(Inderscience Enterprises Ltd, 2012)In this paper, component-based exergetic assessment is presented for an experimental turboprop/turboshaft engine, including comparisons and exergetic performance such as their efficiencies, improvement potentials, exergy ... -
A comprehensive review on hydrogen production from coal gasification: Challenges and Opportunities
(Elsevier, 2021)This paper comparatively discusses hydrogen production options through coal gasification, including plasma methods, and evaluate them for practical applications. In this regard, it focuses on numerous aspects of hydrogen ... -
A comprehensive review on recent advancements in cooling of solar photovoltaic systems using phase change materials
(Oxford University, 2022)Due to the increasing demand for energy worldwide, photovoltaic (PV) cooling systems have become an important field of research in recent years. The most important factor affecting the performance of a solar PV cell is its ... -
Conical coaxial impinging air jets: angle effect on the heat transfer performance
(Springer, 2020)Herein, an experimental attempt is conducted to research thermal and flow behaviors of an impinging jet exiting from a coaxial type nozzle with a conical outer and a circular inner outlets. the experiments include four ... -
Contemporary evaporative cooling system with indirect interaction in construction implementations: A theoretical exploration
(MDPI, 2024)The construction sector, including in developed countries, plays a notable part in the overall energy consumption worldwide, being responsible for 40% of it. In addition to this, heating, ventilating and air-conditioning ...