Conference Agenda

We propose using the heat generated by air-conditioning systems (specifically from condensers) for sludge drying applications in wastewater treatment plants.

Disposal of sewage water treatment plant sludge is challenging across the world. As per the safe handling standards, sludge is classified into class 'A' category (Pathogens free) for the use in horticulture as manure. Now only in practice disposal in landfill that’s harm environment as contamination in water sources by percolate in earth and attracts the disease vectors. During process of air conditioning heat generated from condensers, we can apply the same through heat exchanger to dry the Sludge with low temperature 55-75 degree centigrade .

Redirecting excess heat from air-conditioning systems to sludge drying can contribute to sustainability. It also addresses the issue of venting excess heat into the environment, which can contribute to Climate Change.

That heat we utilize in various application and excess of vent out in open environments that’s one of cause factors for climate change, to increase world environment temperature as of now its rise up to 1.5 degree centigrade and in future regularly effect same way.

The increasing global demand for energy-efficient and sustainable residential buildings presents unique challenges in hot climates, where high temperatures and humidity significantly impact indoor environmental quality and energy consumption. This study explores the potential of Building Information Modeling (BIM) as a comprehensive tool to develop and implement sustainable solutions for residential buildings in these challenging environments.

BIM's ability to facilitate detailed simulations and analyses of building performance provides architects, engineers, and builders with valuable insights into energy consumption patterns, thermal comfort, and material performance. This paper examines the integration of BIM in the design of residential buildings in hot climates, focusing on strategies for reducing energy consumption, enhancing resident comfort, and improving overall sustainability. Additionally, the study is expected to address the challenges and limitations of BIM adoption in this context, offering recommendations for overcoming these barriers.

By leveraging BIM's capabilities, this research aims to contribute to the development of innovative and sustainable building practices that can mitigate the adverse effects of hot climates on residential living spaces. The insights from this study should have significant implications for architects, engineers, policymakers, and stakeholders involved in the construction industry, particularly in regions characterized by extreme heat.

Further, this research will help demonstrate how BIM can optimize building orientation, envelope design, and HVAC systems through sensitivity analysis and simulation models. The findings are expected to highlight the importance of early-stage BIM implementation in achieving energy-efficient and sustainable residential buildings in hot climates.

The paper presents a sustainable mobile modular solution for providing energy supply to temporary camps. Using a computer model developed in transient systems simulation (TRNSYS), the study assesses the performance of a mobile modular energy unit designed for heating, ventilation, and air conditioning (HVAC) systems for temporary camps in hot climate regions.

In earlier research, Riga Technical University developed two prototypes of mobile modular energy units, which were successfully field-tested under the climatic conditions of Riga, Latvia. The performance of these units in supporting HVAC systems for a temporary shelter - a tent -was assessed. The results showed that, compared to a shelter's HVAC system relying solely on a photovoltaic (PV) system, the mobile modular energy unit could achieve 50% autonomous operation over a year without the need for a fossil fuel generator. Considering that temporary shelters are typically used only during the summer season, the modular energy unit can ensure 93% autonomous operation during the summer months.

The developed computer model will become the basis for the development of a sustainable energy system for temporary camps, which will improve not only the power supply, but also the to ensure human well-being and to create adequate comfort conditions. And will also reduce the introduction of standardized solutions that depend on fossil fuels, which, although they require low investment costs, pollute the environment and are often ineffective due to interruptions in the supply of fuel.

Building integrated photovoltaics (BIPV) are emerging in implementation as a sustainable solution to keep global temperature increase below 2°C [35.6°F], aligning with the 2015 Paris Agreement. However, silicon-based solar cells in BIPV systems exhibit low efficiency, converting only 15–25% of incident irradiance into electricity, while 56–66% is dissipated as heat. In hot climates, this heat further raises cell temperatures, leading to a decline in electrical efficiency, a shortened product lifespan, and an increase in building cooling loads. This study examines the impact of ventilated and non-ventilated BIPV façade systems using computational fluid dynamics (CFD) on a low-rise archetype inspired by a literature-based BIPV experimental structure. The effect of each configuration on the indoor cooling load is compared for a typical summer and winter day in Doha, Qatar. The increase in cooling loads due to the non-ventilated BIPV wall is 257% and 71.9% of the electricity generated by the system at standard irradiation on a typical summer and winter day, respectively, deeming it futile. Under the same conditions, the increase in cooling load due to the naturally ventilated BIPV wall is only around 1% of the electricity generated on both a typical summer and winter day.