Sami Ridha Aslan

• Doctor of Engineering
• Northern Technical University

The aim of the work is to develop a mathematical model which has capability to analyses the design parameters as a function of operations conditions for single and multi-stage Joule Thomson Cryocooler System JTCS. The operations conditions are inlet and outlet pressure, precooling temperature, and mass flow rate. The design parameters are expansion...

Solar distillation is seen as a sustainable and practical way to solve water shortages in rural regions, which are experiencing an increase in demand for clean water. Over the course of four months in the autumn and winter, experiments were carried out in Kirkuk, Iraq, located at 35.4666° N, 44.3799° E. We directly inserted eight vacuum tubes into...

This research investigates the performance of integrated system combining of hydraulic storage and solar power in Iraq. A photovoltaic-water pumping system was designed to store solar energy in the form of water in tank at a height of 6 mm. The study evaluates the influence of solar radiation level and pumping time in determining the amount of ener...

Solar energy for water pumping is a possible alternative to conventional electricity and diesel based pumping systems, particularly given the current electricity shortage and the high cost of diesel. The literary survey includes a comparison between previous studies of the pumping system by photovoltaic cells and the extent of the influence of exte...

The waste heat energy discharged into the atmosphere by a car engine's fuel consumption provides more than 70% of the energy. We can utilise waste heat energy in a car's exhaust system if a thermoelectric generator is used to convert the lost thermal energy into electricity. A thermoelectric generator is a device that uses the Seebeck effect to tur...

In this article, the fully boiling process inside pipe filled with porous media has been numerically investigated using Cu/water nanofluid. Two-Phase Mixture Model (TPMM) has been modified to include the impacts of adding nano-fluid instead of pure water under Local Thermal Equilibrium (LTE) model. The mathematical formulation have been solved util...

This paper presents theoretical and experimental study to investigate the thermal performance of parabolic trough collector (PTC) manufactured in Iraq, Kirkuk by local facilities. The construction of (PTC) was made of 1.5 m length and 1 m width with 70° rim angle. An aluminum plate used as a reflector and it’s covered with solar film in order to in...

The aim of this study is to improve the heat transfer in a double tube heat exchanger by using four samples of the inner tube (smooth tube, half circular finned tube, circular finned tube and circular helical finned tube). The experiments were carried out by using the four kinds of fluids flow, namely, (a parallel flow of cold water inside the inne...