Başlık için Makine Mühendisliği Bölümü listeleme
Toplam kayıt 27, listelenen: 1-20
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A micro-damage investigation on a low-alloy steel tested using a 7.62-mm AP projectile | [Raziskava mikropoškodb malolegiranega jekla po preizkusu s kroglo AP 7,62 mm]
(INST ZA KOVINSKE MATERIALE I IN TEHNOLOGIE, 2011)Low-alloy steels have been widely used as an armor material in defense systems due to their superior mechanical and weldability properties. In this study, microdamage formation in an AISI 4140 steel, which was hit by 7.62-mm ... -
A review study on energy harvesting systems for vechiles
(UNIV NORTH., 2018)The widespread and increasing consumption of fossil-based fuels as an energy source causes a rapid decrease of these natural sources, as well as an increase of pollution in the atmosphere. Fuel oil, one of the products of ... -
A study on heat storage sizing and flow control for a domestic scale solar-powered organic Rankine cycle-vapour compression refrigeration system
(PERGAMON-ELSEVIER SCIENCE LTD, 2019)This paper presents the off-design modelling of a domestic scale solar organic Rankine cycle (ORC) and vapour compression cycle (VCC) in a coupled operation in different operating modes by using evacuated flat plate (EFP) ... -
Absorbsiyonlu (LiBr-su) nem alma sisteminin ısıl performans değerlerinin deneysel olarak araştırılması
(ÇUKUROVA ÜNİV., 2017)Bu çalışmada,mekanik nem alma sistemlerinin yerine kullanılabilecek, nem alma ve rejenerasyon kolonlarında, daha önce kullanılmamış, polikarbonatdolgu malzemesi kullanılan bir açık sıvı nem alma sisteminin deneysel ... -
An experimental study on a bus air conditioner to determine its conformty to design and comfort condition
(Yildiz Technical University Press, 2017)The air conditioning system for a bus should be selected considering a number of parameters, including passenger capacity, local climatic conditions, and fuel consumption. It is possible to determine whether a selected air ... -
Döner tip rejeneratör diferansiyel denklemlerinin çözümü için en uygun sınır şartlarının belirlenmesi
(GAZI UNIV,, 2020)Rotary type regenerators are used for energy recovery from waste heat, especially in low temperature applications such as air conditioning systems. In this study, the developed mathematical model for rotary type regenerators ... -
Effect of the martensite volume fraction on the machining of a dual-phase steel using a milling operation
(INST ZA KOVINSKE MATERIALE I IN TEHNOLOGIE, 2011)Dual-phase steels are attractive because of their good combination of strength and ductility. However, an increase in the martensite content will decrease the steel's machinability significantly. Therefore, optimum cutting ... -
Elastic Solution Based On The Mori-Tanaka Sceheme For Pressurized Functionally Graded Cylinder
(CZESTOCHOWA UNIV TECHNOLOGY, 2020)In this paper, an elastic analysis of a thick-walled functionally graded cylinder subjected to internal pressure is examined. Material properties for the isotropic material are estimated to obey the Mori-Tanaka homogenization ... -
Energy and exergy analysis of a combined refrigeration and waste heat driven organic rankine cycle System, thermal Science
(VINCA INST NUCLEAR SCI., 2017)Energy and exergy analysis of a combined refrigeration and waste heat driven organic Rankine cycle system were studied theoretically in this paper. In order to complete refrigeration process, the obtained kinetic energy ... -
Energy and exergy analysis of an organic Rankine-Brayton combined cycle
(GAZI UNIV, 2018)In this study, thermodynamic analysis of reheat and intercooled Brayton cycle combined with organic Rankine cycle (ORC) using waste heat from intercooler in Brayton cycle as heat source is presented. The effects of different ... -
Energy and Exergy Analysis of LiBr-aq and LiCl-aq Liquid Desiccant Dehumidification System
(UNIV NORTH., 2020)In this study, energy and exergy analysis of experimental results obtained from a dehumidification system using LiBr-aq (lithium bromide-water) and LiCl-aq (lithium chloridewater) as desiccant was made. In dehumidifier and ... -
Experimental detemination of convective heat transfer coefficient during open sun and green- house drying of apple slices
(EDP SCIENCES., 2016)A small scale greenhouse type dryer was designed and tested. Convective heat transfer coefficient of apple slices was identified under open sun at natural convection mode and in greenhouse drying at natural and forced ... -
First and second law evaluation of combined brayton-organic rankine power cycle
(YILDIZ TECHNICAL UNIV., 2020)In the present work, we have conducted thermodynamic analysis of an organic Rankine cycle (ORC) using waste heat from intercooler and regenerator in Brayton cycle with intercooling, reheating, and regeneration (BCIRR). ... -
Investigation on the behaviour of the functionaly gradient material consisting of boron carbide and aluminum alloy
(INST ZA KOVINSKE MATERIALE I IN TEHNOLOGIE, 2012)In the current study the effect of different temperatures on the aging behaviour of a functionally gradient material was investigated to observe the variation of hardness with respect to the aging time. To do this, the ... -
Investigation on the rheological behavior of Al-Fe-V-Si/Alumina composite powders
(REDAKCIA KOVOVE MATERIALY,, 2012)In this paper, the rheological properties of the feedstocks of Al-Fe-V-Si and Al-Fe-V-Si composites reinforced with alumina were investigated. The feedstocks, containing four different types of powder (Al-Fe-V-Si, Al-Fe-V-Si ... -
Modeling of heat transfer coefficient in solar greenhouse type drying systems
(MDPI, 2019)As a sustainable energy source, solar energy is used in many applications. A greenhouse type dryer, which is a food drying system, directly benefits from solar energy. Convective heat transfer coefficient (h(c)) is an ... -
Novel packing materials for open liquid desiccant system
(ELSEVIER SCIENCE BV, 2016)The objective of this study is to design and test a liquid dehumidification system that can operate with a maximum performance under atmospheric conditions without any mass transfer problems. For this purpose, polycarbonate ... -
Numerical investigation of flow and heat transfer in communicating converging and diverging channels
(Yildiz Technical University, 2018)Fluid flow and heat transfer in communicating converging and diverging channel has been numerically investigated. Channels are assumed to be at constant wall temperature and the flow is assumed to be steady state and ... -
Optimization of the pool boiling heat transfer in the region of the Isolated bubbles using the ABC algorithm
(ISFAHAN UNIV TECHNOLOGY, 2019)The region of the isolated bubble regime, in which the bubbling starts, is a very significant process for boiling heat transfer. In this study, Artificial Bee Colony algorithm (ABC), which is mainly based on the searching ... -
Performance improvement potentials of low global warming potential refrigerants for intercity bus air conditioning system
(Serbian Society of Heat Transfer Engineers, 2018)In this study, theoretical investigation of two evaporator ejector refrigeration system was carried out based on energy and exergy analysis using R134a and low global warming potential refrigerants (namely R1234yf and ...