Başlık için Makine Mühendisliği Bölümü Koleksiyonu listeleme
Toplam kayıt 264, listelenen: 106-125
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Experimental and theoretical examination of the energy performance and CO2 emissions of room air conditioners utilizing natural refrigerant R290 as a substitute for R22
(Springer, 2023)The purpose of this research is to analyze the performance of an air conditioner that uses natural refrigerant R290 both analytically and experimentally. The feasibility of R290 for R22 air conditioner is examined thoroughly. ... -
An experimental case study on the effect of condenser geometry in a refrigerator: Sub-cooling and coefficient of performance issues
(Elsevier, 2023)The study aims to establish the role of the condenser and condenser geometry in the performance enhancement of the future generation of mid-sized refrigerators. Experimental and statistical methods were used to examine the ... -
Experimental investigation and a new predictive tool for thermal performance of pulsating heat pipes
(Springer, 2023)In the present study, binary-fluid-charged uniform and nonuniform flat plate closed loop pulsating heat pipes (FP-CLPHP) are experimentally investigated in comparative manner, and a novel correlation with innovative point ... -
Experimental investigation and force analysis of flat-plate type pulsating heat pipes having ternary mixtures
(Pergamon-Elsevier Science Ltd., 2021)Comprehensive experiments are conducted to analyze complex heat transfer characteristics and flow nature of a flat plate closed loop pulsating heat pipe charged with ternary mixtures. Consecutive channels of the heat pipe ... -
Experimental investigation of coaxial impinging air jets
(Pergamon-Elsevier Science Ltd, 2018)This study experimentally investigates hydrodynamical and thermal characteristics of coaxial confined impinging turbulent air jets. Various values of the dimensionless nozzle-to-plate distances and dimensionless flowrate ... -
Experimental investigation of flow boiling in single minichannels with low mass velocities
(Pergamon-Elsevier Science Ltd, 2018)Flow boiling characteristics in a single minichannel with the aspect ratio of 2 (1.8 mm width and 0.9 mm height) are studied experimentally. Experiments are conducted for different values of the wall heat flux (in the range ... -
Experimental investigation of heat transfer characteristics and wall pressure distribution of swirling coaxial confined impinging air jets
(Pergamon-Elsevier Science Ltd, 2018)In the present study, swirling coaxial confined impinging turbulent air jets issuing from a novel designed nozzle is studied experimentally. Heat transfer characteristics and pressure distribution on the impingement plate ... -
Experimental performance assessment of a novel insulation plaster as an energy-efficient retrofit solution for external walls: A key building material towards low/zero carbon buildings
(Elsevier, 2023)Thermal insulation plasters have become the focus of attention in the building sector. Among the most important reasons for this is the high thermal energy losses of the buildings. Since conventional briquettes used in ... -
Experimental research on machinability characteristics of Al-9Si alloy: Effect of Sr and Mg additives
(Sage Publications, 2022)In this study, the effects of strontium (Sr) and magnesium (Mg) elements in certain rates added to Al-9Si alloy manufactured using permanent mold casting technique on the structural, mechanical, and machinability properties ... -
Experimental studies and comprehensive computational investigations on composites-based phase change material for battery thermal management systems in electric vehicles
(Elsevier, 2024)Battery Thermal Management System plays a significant role in maintaining the health of the batteries for the long run. Active-based cooling technologies, due to the lesser thermal conductivity of air and parasitic losses, ... -
Experimental studies of latent heat storage based solar air heater for space heating: A comparative analysis
(Elsevier, 2023)There are numerous applications of solar energy technology, among which an air heating system is commonly used for space heating, wood seasoning, industrial drying, etc. Previous research focuses on the bulk usage of ... -
Experimental study of single-phase fluid flow and heat transfer characteristics in rectangular microchannels
(2018)In this study, single-phase laminar flow of deionized water through microchannel heat sinks is investigated experimentally. Heat sinks including twenty-nine parallel rectangular channels have been used as the test samples. ... -
Experimental study on machinability of pre-hardened Toolox 44 and Nimax mould steels
(Gazi Üniversitesi Mühendislik Mimarlık Fakültesi, 2021)In this study, the machinability of Nimax and Toolox 44 materials, which are among the mould steels was investigated experimentally. Cutting experiments were carried out with PVD-AlCrN coated carbide end mill using three ... -
An experimental study on microstructural, mechanical and machinability properties of as-cast and heat-treated al-7Si-mg alloy
(Springer, 2024)The automotive industry is constantly striving for targets for the development of lightweight materials for less fuel consumption and carbon emissions. For this purpose, lighter and higher-performance Al-Si alloys with ... -
Extended 2-D magnetic field modeling of linear motor to investigate the magnetic force parameters of high-speed superconducting maglev
(IEEE, 2023)A 2-D numerical finite-element model of a linear synchronous motor (LSM) is extended based on the magnetic field and moving mesh properties to investigate the magnetic flux and magnetic force characteristics of the high-speed ... -
Extensive analysis of a reinvigorated solar water heating system using low-density polyethylene glazing
(MDPI, 2023)Solar energy is one of the most promising forms of alternative energy because it has no adverse effects on the environment and is entirely free. Converting solar energy into thermal energy is the most common and straightforward ... -
Fast pyrolysis of tea bush, walnut shell, and pine cone mixture: Effect of pyrolysis parameters on pyrolysis crop yields
(MDPI, 2023)Liquid products obtained by the fast pyrolysis process applied to biomass can be used as chemical raw materials and liquid fuels. In this study, tea bush, walnut shell, and pine cone samples selected as biomass samples ... -
Fire retardation, compressive strength and durability analysis of concrete reinforced with novel plasters: An experimental, computational and statistical research
(Elsevier, 2024)Concrete is an essential component of the construction industry, valued for its high compressive strength (CS) and durability. However, when exposed to extreme conditions like fire without protective structural elements, ... -
Floating PVs in Terms of Power Generation, Environmental Aspects, Market Potential, and Challenges
(MDPI, 2022)Limited reserves of fossil fuels, rising environmental concerns, and a remarkable increase in electricity demand have led to the necessity of harnessing solar energy on a large scale. For this purpose, there has been a ... -
Flow boiling characteristics in a novel minichannel with a step on each corner
(Taylor & Francis Inc, 2020)In the present study, flow boiling in a single minichannel with a longitudinal step on its each corner is studied experimentally. Bubble/flow dynamics, and thus, underlying physical phenomenon is investigated through ...