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Article
Publication date: 4 June 2024

Rabee Reffat and Radwa Ezzat

This purpose of this paper is to address the research problem of optimizing photovoltaic (PV) panel placement on building facades to maximize solar energy generation.

Abstract

Purpose

This purpose of this paper is to address the research problem of optimizing photovoltaic (PV) panel placement on building facades to maximize solar energy generation.

Design/methodology/approach

The study examines the significance of various design configurations and their implications for PV system performance. The research involves analysis of relevant literature and energy simulations. An exemplary case study is conducted in a hot climate zone to quantify the impacts of PV panel placement on energy generation. Various application scenarios are developed, resulting in 28 scenarios for PV on building facades. Energy simulations using Grasshopper Rhino software and Ladybug plugin components are performed.

Findings

The paper identifies key factors influencing PV panel placement and energy generation through qualitative analysis. It introduces an appropriateness matrix as a decision-making framework to evaluate placement options. The study identifies design configurations and external features impacting PV location selection and performs a qualitative classification to determine their impact on energy generation.

Practical implications

The results and decision-making framework enable informed choices based on solar radiation levels, shading conditions, and building requirements. Optimizing PV panel placement enhances solar energy harvesting in buildings, benefiting architects and engineers.

Originality/value

The novel contributions of this paper include practical insights and guidance for strategically placing PV panels on building facades.

Details

Archnet-IJAR: International Journal of Architectural Research, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 2631-6862

Keywords

Article
Publication date: 23 October 2023

Rabee Reffat and Julia Adel

This purpose of this paper is to address the problem of reducing energy consumption in existing buildings using advanced noninvasive interventions (NVIs).

Abstract

Purpose

This purpose of this paper is to address the problem of reducing energy consumption in existing buildings using advanced noninvasive interventions (NVIs).

Design/methodology/approach

The study methodology involves systematically developing and testing 18 different NVIs in six categories (glazing types, window films, external shading devices, automated internal shades, lighting systems and nanopainting) to identify the most effective individual NVIs. The impact of each individual NVI was examined on an exemplary university educational building in a hot climate zone in Egypt using a computational energy simulation tool, and the results were used to develop 39 combination scenarios of dual, triple and quadruple combinations of NVIs.

Findings

The optimal 10 combination scenarios of NVIs were determined based on achieving the highest percentages of energy reduction. The optimal percentage of energy reduction is 47.1%, and it was obtained from a combination of nanowindow film, nanopainting, LED lighting and horizontal louver external. The study found that appropriate mixture of NVIs is the most key factor in achieving the highest percentages of energy reduction.

Practical implications

These results have important implications for optimizing energy savings in existing buildings. The results can guide architects, owners and policymakers in selecting the most appropriate interventions in existing buildings to achieve the optimal reduction in energy consumption.

Originality/value

The novelty of this research unfolds in two significant ways: first, through the exploration of the potential effects arising from the integration of advanced NVIs into existing building facades. Second, it lies in the systematic development of a series of scenarios that amalgamate these NVIs, thereby pinpointing the most efficient strategies to optimize energy savings, all without necessitating any disruptive alterations to the existing building structure. These combination scenarios encompass the incorporation of both passive and active NVIs. The potential application of these diverse scenarios to a real-life case study is presented to underscore the substantial impact that these advanced NVIs can have on the energy performance of the building.

Details

Archnet-IJAR: International Journal of Architectural Research, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 2631-6862

Keywords

Article
Publication date: 1 September 2006

Rabee M. Reffat

This paper introduces an alternative teaching model in a virtual architectural design studio, its application, impacts and constraints. This model aims for achieving collaborative…

Abstract

This paper introduces an alternative teaching model in a virtual architectural design studio, its application, impacts and constraints. This model aims for achieving collaborative learning through facilitating students to Inhabit, Design, Construct and Evaluate (IDCE) their designs collaboratively in a multi-user real-time 3D virtual environment platform (Activeworlds). The application of this model in virtual design studio (VDS) teaching has favorably impacted students' motivation for active, creative and explorative learning, social dynamics between studio participants. It also fostered learning electronic communication, collaboration techniques and etiquette in addition to design technology. The model assisted in developing collaborative experience and shared responsibility. However, there are some drawbacks of the virtual environment platform that hindered having a responsive design environment to users' needs with especially in modeling and rate of viewing. The advantages and constraints of applying the IDCE teaching model in a multi-user real-time 3D virtual environment for first year students at the University of Sydney are addressed in this paper.

Details

Open House International, vol. 31 no. 3
Type: Research Article
ISSN: 0168-2601

Keywords

Article
Publication date: 1 September 2006

Ashraf Salama

The process of educating future architects and designers around the world varies dramatically. However, there is one striking similarity - the dominance of the design studio as…

Abstract

The process of educating future architects and designers around the world varies dramatically. However, there is one striking similarity - the dominance of the design studio as the main forum for knowledge acquisition and assimilation, and for creative exploration and interaction. Such a setting encompasses intensive cognitive and physical activities, which ultimately result in conceptualizing meaningful environments proposed to accommodate related human activities. The design studio is the primary space where students explore their creative skills that are so prized by the profession; it is the kiln where future architects are molded. It has occupied a central position since architectural education was formalized two centuries ago in France and later in Germany, the rest of Europe, North America, and the rest of the world.

Details

Open House International, vol. 31 no. 3
Type: Research Article
ISSN: 0168-2601

Article
Publication date: 7 June 2011

H.S. Hassan, E. Shehab and J. Peppard

This paper aims to thoroughly review the research literature concerning e‐service in the public sector (2000‐2009) for the purpose of summarising and synthesising the arguments…

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Abstract

Purpose

This paper aims to thoroughly review the research literature concerning e‐service in the public sector (2000‐2009) for the purpose of summarising and synthesising the arguments and ideas of the main contributors to the development of e‐service research and explore the different perspectives. In addition, the paper attempts to identify the key characteristics of e‐service; and to gather conceptual perspectives on the nature, scope, and transformation to e‐service.

Design/methodology/approach

A classification of the relevant publications that are concerned with the theory and application of e‐service is presented together with potential future research areas.

Findings

Most of the literature has focused on the underlying perspectives of approaches to e‐service. It clearly acknowledges that contextual issues and factors influence e‐service. However, there is still no standard definition of the concept and vagueness about what exactly e‐service is, creating confusion and comparability issues, and making it difficult for researchers to build on each others' work. In addition, the key underlying theme throughout the literature is that e‐service in the public sector necessitates closer working relationships between government stakeholders.

Originality/value

By reviewing the relevant publications, the paper develops a clear articulation of the concept, nature, boundaries, components, and elements of e‐service which is significant in order to understand the e‐service research better and manage e‐service in the public sector. With a rapid growth in the volume of research output on the topic of e‐service, the paper considers different viewpoints, theories, and methods in e‐service research to date to draw conclusions about current status and possible future directions for e‐service in the public sector.

Details

Business Process Management Journal, vol. 17 no. 3
Type: Research Article
ISSN: 1463-7154

Keywords

Article
Publication date: 23 October 2007

Christopher Kian Teck Kueh

This paper seeks to apply a systemic approach to study human‐map‐space interactions that will benefit the design of a wayfinding map.

Abstract

Purpose

This paper seeks to apply a systemic approach to study human‐map‐space interactions that will benefit the design of a wayfinding map.

Design/methodology/approach

This paper presents a case study that was based on Van Bockstaele et al.'s sociocybernetic theory as a research framework to map study. Van Bockstaele et al.'s theory suggests that an individual's behaviour derives from a cognitive system that consists of latent (background thinking process) and patent (amplified language or action that communicates with the public) action. To observe and understand an individual's action, the observer must also consider cognitive systems. Applying this theory, the process of individuals using maps to solve wayfinding tasks within the City of Fremantle, Western Australia was observed. The study involved observing 30 international students who use three maps, each of which presents iconic, symbolic, and iconic and symbolic representations, to locate four destinations in the city.

Findings

Findings suggest that external systems such as maps and the actual environment affect an individual's latent and patent actions, while their behaviour affects the way they perceive the external systems.

Research limitations/implications

This paper addresses the complexity of systems involved in the process of an individual using maps to solve wayfinding tasks in the actual environment.

Practical implications

This study provides graphic and information designers with a substantial understanding of human‐map‐space interactions based on systemic perspectives.

Originality/value

The application of sociocybernetics is uncommon in map studies. This paper provides a link between the two disciplines.

Details

Kybernetes, vol. 36 no. 9/10
Type: Research Article
ISSN: 0368-492X

Keywords

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