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作者:H. M. Tawancy , Luai M. Alhems , M. O. Aboelfotoh
来源:[J].Journal of Materials Engineering and Performance(IF 0.915), 2017, Vol.26 (7), pp.3191-3203
摘要:We have investigated the partial replacement of Pt with other less expensive Pt group metals on the properties of γ ′ + γ bond coats used in thermal barrier coatings (TBCs) deposited on a nickel-base superalloy. The microstructure, thermal stability, oxidation behavior and p...
作者:... Anwar Ul-Hamid , Luai M. Alhems , Aamer Saeed
来源:[J].Engineering Failure Analysis(IF 0.855), 2020, Vol.109
摘要:Abstract(#br)This study provides an overview of the common modes and causes of failure of heat exchanger tubes. Failure investigations of heat exchangers reported in the literature are compiled in this review based on the mechanisms of failure. A large majority of heat exchanger ...
作者:M. Mujahid Rafique , S. Rehman , Luai M. Alhems
来源:[J].Renewable Energy(IF 2.989), 2018, Vol.127, pp.565-574
摘要:Abstract(#br)Pakistan is an agricultural country and most of its population resides in rural areas. These communities have small power demands which can easily be met through proper utilization of renewable energy technologies such as solar photovoltaic (PV). The focus of this re...
作者:... Shafiqur Rehman , Shamim Khan , Luai M. Alhems
来源:[J].Journal of Cleaner Production(IF 3.398), 2019, Vol.216, pp.346-360
摘要:Abstract(#br)Wind energy, as a renewable resource, is the most rapidly growing source that produces electrical energy using wind turbines. Such a wind energy conversion system is both economical and is environmental friendly. It requires understanding of wind conditions at t...
作者:... Md. Mahbub Alam , Luai M. Alhems , M. Mujahid Rafique
来源:[J].Energies(IF 1.844), 2018, Vol.11 (3)
摘要:Among renewable sources of energy, wind is the most widely used resource due to its commercial acceptance, low cost and ease of operation and maintenance, relatively much less time for its realization from concept till operation, creation of new jobs, and least adverse effect on ...
作者:Luai M. Alhems , Abdelsalam Al-Sarkhi ...
来源:[J].Journal of Petroleum Science and Engineering(IF 0.997), 2016, Vol.147, pp.636-646
摘要:Abstract(#br)This study presents an experimental investigation of pressure drop measurements in a Tercom flanged machined venturi meter of 0.5 beta ratio for oil-water two-phase flow in a 0.0762 m (3-in.) pipe. Two-phase large scale inclinable flow loop was used to acquire data f...
作者:... Shafiqur Rehman , Luai M. Alhems , Aref Lashin
来源:[J].Energies(IF 1.844), 2016, Vol.9 (4)
摘要:Now days, air conditioning systems are a must for almost every commercial and residential building to achieve comfortable indoor conditions. The increasing energy demand, and increasing oil prices and pollution levels raise the need for alternative air conditioning systems w...
作者:W. M. Hamanah , M. A. Abido , Luai M. Alhems
来源:[J].Arabian Journal for Science and Engineering, 2020, Vol.45 (2), pp.1871-1883
摘要:Abstract(#br)This paper presents a new methodology to optimize the configuration of the hybrid energy system with the wind farm, photovoltaic array, diesel generator and battery bank. Minimizing the annual cost is considered as an objective function with different constraints con...
作者:... Aftab Ahmad , Luai M. Alhems , Muhammad M. Rafique
来源:[J].Journal of Mechanical Science and Technology(IF 0.616), 2019, Vol.33 (9), pp.4555-4562
摘要:Abstract(#br)The solar thermal performance of a 102 kW rated thermal capacity linear Fresnel reflector system was evaluated experimentally under fixed and variable airflow rate through the oil-air heat exchanger. The solar thermal system consisted of 240 mirrors (linear Fresnel s...
作者:Luai M. Alhems , Syed M. Shaahid ...
来源:[J].Arabian Journal for Science and Engineering, 2018, Vol.43 (11), pp.6355-6374
摘要:Abstract(#br)The performances of the venturi meters for oil–water flow under real oil well operating conditions were investigated in the present experimental investigation. The pressure drop measurements were studied in Tercom flanged machined venturi meters with a beta rati...

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