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Zena Khalefa

Country of origin: Iraq General field of specialization: Engineering sciences
Academic Background

Degrees

2018 Engineering sciences
Research and Profession

Current Research Activities

Engineering sciences

Study the effect of vertical vibrations on the convicted heat transfer coefficient from the flat plate and cylinder with different longitudinal fins and cross-section as well as different angles. The test model exposed to constant heat flux regularly between the [250 – 1500] W\m2 Found that the heat transfer coefficient increases with heat flux as well as an increase of vibration. The increase of vibration tends to break the thermal boundary layer when low frequencies and small angles orientated ranging from [o0 to o45]. When increase the orientated angle reduced vibration effect on improving the heat transfer coefficient, because the compound forces of buoyancy is affecting.

Affiliations

Iraqi Engineering Union