Abstract
University campuses are meant to provide open and green spaces for students to create and excel. In this paper, the redesign of the Campus Outdoor Space (COS) of the College of Engineering in Tanta is assessed as it is a central square overlooked by buildings of the college exposed to excessive solar radiation. The method of the study consists of many stages. First, field measurements were appraised by Nova- Lynx weather station and investigating weather data files through the Climate consultant program. Next, the proposed design was tested and evaluated with the simulation programs Ansys Fluent CFD software to investigate thermal conformability. The positive environmental impact of the new design was revealed by comparing contours of solar heat flux, reflected infrared solar flux, wall radiated heat flux of surrounding buildings and analysis of temperature. Results indicated that COS redesign initiated a framework that integrates environmental comfort approaches producing retrofitting design rubric.
Highlights
The campus boundary includes all open and closed spaces of the university, where educational, cultural, and social activities are taking place [1]
Inspecting the data revealed the Environmental potentials of the Seberbay Campus’ open space redesign. First comparing these conditions with the ASHRAE Handbook 2005 Determinants that people dressed in normal winter clothes, the comfort temperatures is 680 F0(20.00 C0) to 740 F0 (23.30 C0) at relative humidity 50% [33], the comfort upper-temperature value could shift 50 F0 (2.80 C0) warmer If lightweight summer clothes were dressed up, ASHRAE will indicate if the global horizontal radiation value exceeded 315.5wh/m2
Comparison of the Campus Outdoor Space (COS) before and after the redesign as shown in fig. 6 demonstrate results that indicate a decrease in surface temperature from 70 Celsius to 44 Celsius, global horizontal radiation from 650 Wh/m2 to 150 Wh/m2, and the air temperature decreased by 15 Celsius from 50c0 to 35 c0
Summary
The campus boundary includes all open and closed spaces of the university, where educational, cultural, and social activities are taking place [1]. COS integrate and organize campus elements to facilitate scholars’ movement, gathering in a comfortable environment. Shades, fountains, and pavements provide a comfortable microclimate for users [2, 3]. COS in Seberbay was exposed to excessive solar radiation, without shaded seating areas or convenient paths. Social contact and comfort environmental retrofitting were the main pillars of the design decisions[4], the retrofitting process began with a general examination of the COS to determine main obstacles. COS before and after implementation of the design elements and guidelines are compared [5]
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