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All Journal Civil Engineering Journal JAREE (Journal on Advanced Research in Electrical Engineering)
Zaman, Shah
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Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering

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Field Assessment of Non-nuclear Methods Used for Hot Mix Asphalt Density Measurement Zaman, Shah; Hussain, Jawad; Ahmad Zaidi, Syed Bilal; Ejaz, Naeem; Awan, Hammad Hussain
Civil Engineering Journal Vol 5, No 8 (2019): August
Publisher : Salehan Institute of Higher Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28991/cej-2019-03091374

Abstract

Destructive nature along with the associated higher cost of the traditional core method used for hot mix asphalt density measurement has convinced researchers switching to some non-destructive technique for this purpose which is cost efficient as well. Earlier, nuclear density gauges were introduced for this purpose which was non-destructive as well. Since such devices were associated with the use of gamma rays, therefore, leading to safety and health issues. Last decade observed a revolution in asphalt density measurement technique with the evolution of non-nuclear density gauges. This research work is carried out with the objective to determine the efficiency and accuracy of a newly developed non-nuclear density gauge i.e. PQI-380 for field conditions as it needs its thorough evaluation prior to future uses in many of the developing countries including Pakistan. Density data obtained using standard core method and non-nuclear density gauge for 195 location confirms the satisfactory performance of the instrument. Results obtained show that the coefficient of correlation is near to 0.9. which refers to a strong correlation between the density data. Moreover, performance criteria e.g. root mean square error and mean absolute error between the density data set is also very low confirming the good measuring abilities of the device. Instrument performed well for repeatability analysis giving maximum coefficient of variance less than 5 percent.
Azimuth Angle and Magnetic Declination to Maximize Solar Panel Efficiency (Solar Tracking System) Saeed, Zubair; Shahzad, Waseem; Ur Rehman, Asad; Ali, Syeda Zuriat e Zehra; Zaman, Shah; Shehzad, Faheem
JAREE (Journal on Advanced Research in Electrical Engineering) Vol 8, No 1 (2024): January
Publisher : Department of Electrical Engineering ITS and FORTEI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/jaree.v8i1.357

Abstract

This study presents the idea of power production through the solar which depends on the light intensity that falls on the solar panel. This project utilizes dual axis solar tracking system based on intensity of light using Arduino UNO. The hardware implementation includes an Arduino UNO and four LDR sensor for sensing the maximum intensity of light. Two DC motors are used, one motor is used for horizontal rotation and the second motor is used for the vertical rotation. This system includes the implementation of MPPT. It controls the charge and stores it in a battery. Battery provides 12V to inverter where DC voltages convert into AC voltages. SPWM inverter is designed over push pull topology. In conclusion, the proposed system operates on low input power and delivers high efficiency in output.
Co-Authors Ahmad Zaidi, Syed Bilal Ali, Syeda Zuriat e Zehra Awan, Hammad Hussain Ejaz, Naeem Hussain, Jawad Saeed, Zubair Shahzad, Waseem Shehzad, Faheem Ur Rehman, Asad