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Your search keyword '"Ghaddar, Nesreen"' showing total 463 results
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463 results on '"Ghaddar, Nesreen"'

31. Sustainable cooling solutions

Author

Ghaddar, Nesreen, Kishore, Ravi Anant, Menberg, Kathrin, Ndukwu, Macmanus Chinenye, Hou, Huilong, Islam, Rashedul, Sahin, Ezgi Bay, Sett, Soumyadip, and Mandal, Jyotirmoy

Abstract

In this warming world, excessive heat is burning cities from the south to the north. Cooling technologies have been available for decades, but many, like air conditioners, can themselves be a source of heat and emissions that exacerbate local heat island effects and contribute to climate change. Furthermore, cooling solutions are often out of reach for the most vulnerable people. This Voices asks: what is the path to sustainable cooling technologies for all?

Published
2024
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33. Evaluating thermal response when elderly people using local cooling devices:Correlation among overall and local thermal sensation with skin temperature

Author

Chen, Minzhou, Younes, Jaafar, Farahani, Azin Velashjerdi, Kilpeläinen, Simo, Kosonen, Risto, Ghaddar, Nesreen, Ghali, Kamel, Melikov, Arsen Krikor, Chen, Minzhou, Younes, Jaafar, Farahani, Azin Velashjerdi, Kilpeläinen, Simo, Kosonen, Risto, Ghaddar, Nesreen, Ghali, Kamel, and Melikov, Arsen Krikor

Abstract

The thermal comfort of elderly people in warm indoor environments is important because of their higher risk of heat stress. The use of local cooling devices may help alleviate heat stress. In this study, 26 elderly participants were recruited for climate chamber experiments in neutral (26 °C, 40 % relative humidity (RH)), slightly warm (29 °C, 40 % RH; 28 °C, 60 % RH), and warm (33 °C, 40 % RH; 32 °C, 50 % RH) environments. Three local cooling devices were tested: a table fan, evaporative cooling device, and air-cooled jacket. This study found, in different warm environments, the use of local cooling devices by the elderly results in an mean skin temperature decrease of no more than 0.5 °C. The thermal sensation in the head and torso has the most significant impact on overall thermal sensation. The mean skin temperature (MST) remains an effective physiological indicator for estimating overall thermal sensation after using local cooling devices. The skin temperature in the head, limbs, and extremities plays a substantial role in predicting overall thermal sensation. The thermosensory mean skin temperature (TMST) proposed based on the skin temperature of these parts can more accurately predict overall thermal sensation than MST. This study provides a reference for the development of future local cooling devices. This study has implications for guiding the selection of devices for nursing homes or residential environments for the elderly, and it can be utilized to formulate recommendations for improving device design.

Published
2024

35. Leapfrogging to Sustainability: Utility-Scale Renewable Energy and Battery Storage Integration – Exposing the Opportunities Through the Lebanese Power System

Author

Diab, Ahmad, Harajli, Hassan, Ghaddar, Nesreen, Abarbanel, Henry D.I., Series Editor, Braha, Dan, Series Editor, Érdi, Péter, Series Editor, Friston, Karl J, Series Editor, Haken, Hermann, Series Editor, Jirsa, Viktor, Series Editor, Kacprzyk, Janusz, Series Editor, Kaneko, Kunihiko, Series Editor, Kelso, Scott, Series Editor, Kirkilionis, Markus, Series Editor, Kurths, Jürgen, Series Editor, Menezes, Ronaldo, Series Editor, Nowak, Andrzej, Series Editor, Qudrat-Ullah, Hassan, Series Editor, Reichl, Linda, Series Editor, Schuster, Peter, Series Editor, Schweitzer, Frank, Series Editor, Sornette, Didier, Series Editor, Thurner, Stefan, Series Editor, and Kayal, Aymen A., editor

Published
2019
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44. Modeling of Heat and Moisture Transfer in Porous Textile Medium Subject to External Wind: Improving Clothing Design

Author

Ghaddar, Nesreen, Ghali, Kamel, Vafai, Kambiz, Section editor, Kulacki, Francis A., Editor-in-Chief, Acharya, Sumanta, Section Editor, Chudnovsky, Yaroslav, Section Editor, Cotta, Renato Machado, Section Editor, Devireddy, Ram, Section Editor, Dhir, Vijay K., Section Editor, Mengüç, M. Pinar, Section Editor, Mostaghimi, Javad, Section Editor, and Vafai, Kambiz, Section Editor

Published
2018
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