M.Sc. in in Mechanical Engineering -Suleyman Demirel University (SDU) Turkey

M.Sc. researcher focused on developing an innovative and novel design for a spiral heat exchanger, enhancing its thermal efficiency using advanced simulation software.

B.Sc. in Cooling and air conditioning technology ,Technical Engineering College of Mosul_(TEC)

Diploma in Mechanical Technologies, Mosul Technical Institute

Heat Exchangers, Modeling and Simulation, Wind Engineering [University Presidency Northern Technical University, Mosul, Iraq]

Fluid Mechanics, Piping, Engineering Thermodynamics, FLUENT , Thermal Conductivity, CFD Coding, CFX, Heat Capacity, Convection, Applied Thermodynamics, Thermal Engineering, Computational Fluid Dynamics, Engineering Optimization.
• Published research papers on nanopractic.
• Worked with CFD for model development.

Enhanced Performance the Air-Conditioning System by Adding Al2O3 to the Compressor Oil Abstract

Journal Journal of Advanced Research in Fluid Mechanics and Thermal Sciences

publisher Semarak Ilmu Publishing

DOI https://doi.org/10.37934/arfmts.129.1.6977

Issue 1

Volume 129

Scientists are striving to discover new methods to reduce energy consumption in response to the high demand for energy. The purpose of this article is to find how adding nanoparticles to the compressor oil can enhance the cooling of an air conditioner and to compare this oil to natural oil without nanoparticle addition. Nanomaterial’s were added to the compressor oil at a mass concentration of 0.2%. Nanoparticles (Al2O3) were prepared, and then the stability of the nanoparticles was evaluated through direct monitoring, and this monitoring was done over different time periods. The results obtained showed that conditioning leads to enhancement when adding nanoparticles to the base oil present in the system, by making a comparison with the use of oil alone. The results showed an increase in the cooling rate of the Nano-oil system by an increase estimated at (16%), while the increase in the efficiency of the Nano-oil system was higher than that, reaching (19%) in the case of comparison with the traditional system used in the system. Another result obtained is that when solid nanoparticles are added to the cooling oil in the system, this leads to an improvement in the thermo physical properties of the system by an estimated rate of about (14%).

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Enhanced Performance of Vapor Compression Air Conditioners Using TiO2 Nanoparticle-Oil Additives

Journal International Journal of Heat and Technology

publisher International Information and Engineering Technology Association

DOI https://doi.org/10.18280/ijht.410617

Issue 1554–1560

Volume 41

In this paper, two different refrigerants (R22 and R410) were used, and TiO2 nanoparticles were mixed with pure oil used for the compressor not to directly with the Freon of 1-Ton split Air Conditioners a/c unit. Power consumption inside room temperature and Coefficient of Performance (COP) with oil mixed TiO2 nanoparticles were better than pure oil for both refrigerants. R410 has better performance than R22. The a/c system used R410 and operated with oil mixed TiO2 nanoparticles saved a maximum of 28.4% in power consumption, and maximum COP of 4.55. Consequently, the a/c system that utilizes TiO2 nanoparticles is recommended to save power consumption and improve thermal performance.

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SIMULATION AND INVESTIGATION OF NANO-REFRIGERANT FLUID CHARACTERISTICS WITH THE TWO-PHASE FLOW IN MICROCHANNEL

Journal Frontiers in Heat and Mass Transfer

publisher Tech Science Press

DOI 10.5098/hmt.17.21

Issue 1-7

Volume 17

his paper presents a simulation and investigation of the heat transfer coefficient, pressure drop, and thermal conductivity of two-phase flow. The simulation was performed of mixtures (Al2O3 nanoparticles with R134a refrigerant). The size of nanoparticles (Al2O3) which is used in this study is 30 nm and volume concentrations are 0.015 and 0.03. The two – phase flowing through a horizontal circular microchannel of (diameter 100 µm, and length 20 mm) under constant heat flux (3000 W/m2) and constant wall temperature (330 K), also in this study used the inlet temperature at-20oC and mass flow rates are 0.3, 0.4, 0.5, 0.6, 0.7 and 0.8 g/s using in the dissipation of heat from electronic circuits by evaporation. The simulation is achieved by CFD numerical model using FLUENT ANSYS version 15 software. The results indicate the best temperature, pressure drop, density and volume fraction for two-phase flow nanorefrigerant in the microchannel. The higher heat transfer coefficient and pressure drop of two-phase nanorefrigerant flow at a high volume concentration (0.03) of Al2O3 when the mass flow rate is maximum. Finally, compared heat transfer coefficient of this study with the results of Kumar et al. (2013) at variation the mass flow rate, and found the root mean square of error (10%), also compared heat transfer coefficient of this study with results of Hernández et al. (2016) at variable volume concentration of nanoparticles Al2O3, and found the root mean square of error (3.7%).

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Performance Enhancement of Air Conditioning (Split Unit) Using CuO/Oil Nano-Lubricant

Journal Materials Science Forum

publisher Trans Tech Publications Ltd

DOI https://doi.org/10.4028/www.scientific.net/MSF.1021.97

Issue 97-106

Volume 1021

Abstract. The aims of this study are to improve thermal characteristics and decrease electrical consumption of air-conditioning as well as, to increase the performance (COP) of cooling cycle. CuO nanoparticles (0.003 mass fraction) have been added to compressor oil of air conditioning (1 ton capacity, split-unit) used Freon gas (R22), and then compared with pure oil compressor of air conditioning under same environmental conditions. The results showed that the increasing of density ratio, COP and viscosity ratio are 3%, 50% and 1.8% respectively while the decreasing of electrical consumption is 51.2%. The experimental data are compared with previous data in the literature to be validated. It can be recommended that the nano-oil is significant utilizing in air conditioner compressors for energy consumption applications.

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Effect of conic baffles in the shell and helical tube heat exchangers

Journal Energy & Environment

publisher Sage Journals

DOI https://doi.org/10.1177/0958305X19846871

Issue 8

Volume 30

In the present study, computational fluid dynamics techniques are used to investigate numerically the performance of a heat exchanger (shell and helical tube) in order to improve its ability of transferring the heat through its body. The heat exchanger model includes a helical tube, a shell and baffles where the latter are of a cone shaped and distributed in the center and in the shell side. The angle and length of baffles are taken to be varied in the range of 0° to 90° and 10 cm to 35 cm, respectively. The major findings of the thermal analyses show that due to the baffles shape of the shell, the fluid moves inside the domain, with continuous baffles, and varies significantly, which is resulted in a significant increase in the heat transfer coefficient in the heat exchanger. The maximum amount of the transferred heat was obtained at the angle of 80° and length of 30 cm of the baffle

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Wind Energy Productivity Evaluation UsingWeibull Statistical Method

Publisher Springer Nature

DOI https://doi.org/10.1007/978-981-33-4355-9_37

Country Malaysia

Location Kuala Lumpur

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