Search Results - "Essa, Khaled"

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  1. 1

    Studying the Effect of Two Analytical Solutions of Advection-Diffusion Equation on Experimental Data by Essa, Khaled S. M., Taha, Hanaa Mohamed Ahmed

    Published in Pure and applied geophysics (01-06-2023)
    “…In this article, two proposed analytical model solutions of the steady-state advection-diffusion equation were carried out using the technique of advection…”
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    Journal Article
  2. 2

    Analytical Study of Fuel Switching from Heavy Fuel Oil to Natural Gas in clay brick factories at Arab Abu Saed, Greater Cairo by Higazy, Mamdouh, Essa, Khaled S. M., Mubarak, Fawzia, El-Sayed, El-Sayed M., Sallam, Abdelsattar M., Talaat, Mona S.

    Published in Scientific reports (12-07-2019)
    “…Arab Abu Saed area in Giza governorate, south to Cairo contains more than 228 clay brick kilns represent the largest cluster of brickworks in Egypt. Burning of…”
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  3. 3

    Analytical Solutions of the Advection–Diffusion Equation with Variable Vertical Eddy Diffusivity and Wind Speed Using Hankel Transform by Essa, Khaled S. M., Shalaby, Ahmed S., Ibrahim, Mahmoud A. E., Mosallem, Ahmed M.

    Published in Pure and applied geophysics (01-09-2020)
    “…Hankel transform was employed to solve the two-dimensional steady state advection–diffusion equation considering a continuous point source with vertical eddy…”
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  4. 4

    Evaluation of analytical solution of advection diffusion equation in three dimensions by Essa, Khaled S. M., Mosallem, Ahmed M., Shalaby, Ahmed S.

    Published in Atmospheric science letters (01-09-2021)
    “…Three‐dimensional advection–diffusion equation with steady state was evaluated from continuous point source taking the vertical and crosswind eddy…”
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  5. 5
  6. 6

    Different solutions of the diffusion equation and its applications by Essa, Khaled S. M., Etman, Soad M., El-Otaify, Maha S., Embaby, M., Mosallem, Ahmed M., Shalaby, Ahmed S.

    “…In this  report, we solved the advection–diffusion equation under pollutants deposition on the ground surface, taking wind speed and vertical diffusion depend…”
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  7. 7

    Modeling the relationships among psychological immunity, mindfulness and flourishing of university students by Essa, Eman Khaled

    “…The aim of this study is to examine the relationship among psycho-immunity, mindfulness and flourishing of university students. To achieve this a battery of…”
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  8. 8

    Calculating isotope concentrations using different schemes of dispersion parameters by Abdel-Wahab, M, Essa, Khaled S M, Embaby, M, Elsaid, Sawsan E M

    Published in Radiation protection dosimetry (01-09-2013)
    “…The investigated work aims to calculate the concentration of different isotopes through short downwind distances. A theoretical model was designed to calculate…”
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  9. 9

    New analytical solution of the dispersion equation by Essa, Khaled S.M., Etman, Soad M., Embaby, M.

    Published in Atmospheric research (01-06-2007)
    “…The dispersion of pollutants from a point source is analytically investigated taking into consideration the vertical variation of both wind speed and eddy…”
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  10. 10

    New formulations of eddy diffusivity for solution of diffusion equation in a convective boundary layer by Essa, Khaled S.M., Embaby, M.

    Published in Atmospheric research (01-07-2007)
    “…In this paper, new formulations of eddy diffusivity have been derived in order to be used in atmospheric dispersion models. The obtained formulae depend on…”
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  11. 11

    Maximum ground level concentration for Gaussian plume formula using standard and Briggs methods by Essa, Khaled S. M., El Saied, Sawsan I. M.

    Published in Environmental quality management (01-06-2023)
    “…This work aims to determine the maximum concentration and downwind distance at the earth's surface in two methods Briggs and standard for two conditions are…”
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  12. 12

    Atmospheric vertical dispersion in moderate winds with eddy diffusivities as power law functions by Khaled S.M. Essa, Maha S. El-Otaify

    “…The vertical diffusion of a passive tracer released from a source in an unstable stratified boundary layer is studied by comparing an analytical model and…”
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  13. 13

    Modeling of atmospheric dispersion with dry deposition: an application on a research reactor by Essa, Khaled S. M., Etman, Soad M., El-Otaify, Maha S.

    Published in Revista Brasileira de Meteorologia (01-09-2014)
    “…An analytical solution of the three dimensional advection-diffusion equations has been formulated to simulate the dispersion of pollutants in the planetary…”
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  14. 14

    Feasibility Study of Electrical Generation by Wind Energy on the Red-Sea Coast in Egypt by Essa, Khaled S. M., Embaby, M., Marrouf, A. A.

    Published in Wind engineering (01-05-2007)
    “…The wind characteristic for six stations, on the Red Sea and Sinai coasts in Egypt, are analyzed for power generation. The Weibull parameters are determined by…”
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  15. 15

    Statistical Evaluation of Wind Energy at Inshas, Egypt by Essa, Khaled S. M., Embaby, M.

    Published in Wind engineering (01-01-2005)
    “…The wind speed at Inshas, Egypt in 2003 is considered as a case study. A statistical analysis gave the annual average wind speed as 3.80 m/s, in the range of…”
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  16. 16

    Diffusion from a point source in an urban atmosphere by ESSA, Khaled S. M, EL-OTAIFY, Maha S

    Published in Meteorology and atmospheric physics (01-02-2006)
    “…In the present paper, a model for the diffusion of material from a point source in an urban atmosphere is incorporated. The plume is assumed to have a…”
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  17. 17

    Survey and Assessment of Wind-speed and Windpower in Egypt, including Air Density Variation by Essa, Khaled S. M., Mubarak, Fawzia

    Published in Wind engineering (01-03-2006)
    “…Nearly 5 years of meteorological data were analysed from 18 stations throughout Egypt, classified as located in Mediterranean, Inland, and Red Sea zones. The…”
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  18. 18

    The Effect of Air Density Variation on Wind Power Flux by Essa, Khaled S. M., Etman, Soad M., Embaby, M.

    Published in Wind engineering (2004)
    “…Wind energy potential is proportional to both air density and the third power of the wind speed averaged over a suitable time period. The wind speed and air…”
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  19. 19

    PROTACs- a game-changing technology by Konstantinidou, Markella, Li, Jingyao, Zhang, Bidong, Wang, Zefeng, Shaabani, Shabnam, Ter Brake, Frans, Essa, Khaled, Dömling, Alexander

    Published in Expert opinion on drug discovery (02-12-2019)
    “…: Proteolysis - targeting chimeras (PROTACs) have emerged as a new modality with the potential to revolutionize drug discovery. PROTACs are heterobifunctional…”
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  20. 20

    On the relation between cloud cover amount and sunshine duration by ESSA, Khaled S, ETMAN, Soad M

    Published in Meteorology and atmospheric physics (01-12-2004)
    “…The total cloud cover is deduced from measurements of monthly mean averages of the percent of possible sunshine duration at three locations in Egypt, Cairo,…”
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