Improving energy performance metrics to maximize the benefits of disruptive technologies

Park, Won Young; Shah, Nihar; Shiraishi, Kenji; Vine, Edward

doi:10.1016/j.erss.2022.102678

Cited by 4 publications

(4 citation statements)

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“…5 Análisis exergético del R290 como sustituto del R410A en un acondicionador de aire variable operando con diferentes cargas de refrigerante 𝐸 ̇𝑥𝐷,𝑐𝑜𝑛𝑑 = 𝑚̇𝑟 𝑒𝑓 (𝑒 3 − 𝑒 4 ) − 𝑄 ̇𝑐𝑜𝑛𝑑 (1 − 𝑇 0 𝑇 𝑣,𝑐𝑜𝑛𝑑 ) (9) donde, 𝑇 𝑣,𝑐𝑜𝑛𝑑 es la temperatura de la frontera del condensador [K], 𝑄 ̇𝑐𝑜𝑛𝑑 es el flujo de calor del condensador [kW], el cual se determina a partir del balance de energía del condensador como se muestra en la ecuación (10).…”

Section: Modelo Termodinámicounclassified

“…Tradicionalmente, los sistemas de refrigeración y HVAC han determinado su eficiencia energética mediante la eficiencia de primera ley de la termodinámica, por lo cual algunas métricas de desempeño como el COP y la EER no permiten estimar la evolución real de las tecnologías en términos de la eficiencia de segunda ley [10]. Algunos autores han planteado metodologías que intentan explicar de manera más especifica el comportamiento de un equipo, incluyendo no solo un análisis de energía, sino también análisis económicos, principios de transferencia de calor, entre otros [11].…”

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Análisis exergético del R290 como sustituto del R410A en un acondicionador de aire variable operando con diferentes cargas de refrigerante

2022

Congreso Iberoamericano De Ingeniería Mecánica-Cibim 2022

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Este estudio evalúa experimentalmente el R290 como sustituto del R410A en un equipo acondicionador de aire variable operando con diferentes cargas de refrigerante a partir de un análisis de exergía. El trabajo experimental se realizó siguiendo el método del calorímetro balanceado según la norma ISO-5151, en un equipo acondicionador de aire tipo mini-split de 18000 Btu/h. Durante los ensayos se cuantifico la capacidad de enfriamiento, el consumo de energía, las presiones y temperaturas del equipo, operando con 7 cargas de R410A y 5 cargas de R290. Entre los resultados principales se encontró que el compresor presenta mayor exergía destruida por la carga de refrigerante, debido principalmente al incremento del calor en el equipo. Por otro lado, al comparar los refrigerantes se observó menor destrucción de exergía y mayor eficiencia exergética operando con R290. Sin embargo, la capacidad de enfriamiento se disminuye significativamente en el R290 en comparación con R410A.

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Section: Modelo Termodinámicounclassified

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Análisis exergético del R290 como sustituto del R410A en un acondicionador de aire variable operando con diferentes cargas de refrigerante

2022

Congreso Iberoamericano De Ingeniería Mecánica-Cibim 2022

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“…However, the prevalence of disruptive technologies and digitalization may induce disruption in social relations, human values, institutions and the nature of human cognition as well as experience [18]. Policies will also need to be updated to measure the impact of technologies by advancing the standards of test procedures and performance metrics [19]. Disruptive technologies such as the Internet of Things (IoT), image processing, artificial intelligence (AI), Big Data and smartphone applications can be coordinated and seamlessly connected to improve disaster management capabilities [20].…”

Section: Introductionmentioning

confidence: 99%

Realization of Sustainable Development Goals with Disruptive Technologies by Integrating Industry 5.0, Society 5.0, Smart Cities and Villages

Kasinathan¹,

Pugazhendhi²,

Elavarasan

et al. 2022

Sustainability

114

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Significant changes in society were emphasized as being required to achieve Sustainable Development Goals, a need which was further intensified with the emergence of the pandemic. The prospective society should be directed towards sustainable development, a process in which technology plays a crucial role. The proposed study discusses the technological potential for attaining the Sustainable Development Goals via disruptive technologies. This study further analyzes the outcome of disruptive technologies from the aspects of product development, health care transformation, a pandemic case study, nature-inclusive business models, smart cities and villages. These outcomes are mapped as a direct influence on Sustainable Development Goals 3, 8, 9 and 11. Various disruptive technologies and the ways in which the Sustainable Development Goals are influenced are elaborated. The investigation into the potential of disruptive technologies highlighted that Industry 5.0 and Society 5.0 are the most supportive development to underpin the efforts to achieve the Sustainable Development Goals. The study proposes the scenario where both Industry 5.0 and Society 5.0 are integrated to form smart cities and villages where the prospects of achieving Sustainable Development Goals are more favorable due to the integrated framework and Sustainable Development Goals’ interactions. Furthermore, the study proposes an integrated framework for including new age technologies to establish the concepts of Industry 5.0 and Society 5.0 integrated into smart cities and villages. The corresponding influence on the Sustainable Development Goals are also mapped. A SWOT analysis is performed to assess the proposed integrated approach to achieve Sustainable Development Goals. Ultimately, this study can assist the industrialist, policy makers and researchers in envisioning Sustainable Development Goals from technological perspectives.

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“…The major driving motivation accelerating AALS in most countries is government policy on disruptive technologies [17]. This has been made compulsory for assisting the aging, and disabled population [18], [19].…”

Section: Introductionmentioning

confidence: 99%

WearROBOT: An Energy Conservative Wearable Obstacle Detection Robot With LP Multi-Commodity Graph

Okafor

Longe

2022

IEEE Access

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Human activity wearable obstacle detection for the visually impaired (VI) is developed for routine monitoring and observation of surrounding events. Environmental observation, home surveillance, and assistive supports are now built on wearable devices using Inertia-based sensors, such as accelerometers, linear acceleration, and gyroscopes. Previous assisted living system (ALS) still faces challenges in energy management and resource allocation when performing daily activities, particularly with ambulation. Legacy systems cannot fully improve self-esteem, hence, WearROBOT. It detects rearview obstacles and has an audio feedback system incorporated for voicing out once an obstacle is detected. Linear programing (LP) multi-commodity graph (LMCG) learning model is proposed while coupling the shortest path resource allocation for space diversity linearization. An Infrared sensor problem function that minimizes link utilization is derived. Angle-Intensity analysis (AIA) is carried out on various use case scenarios to enable the user to know the best angle to consider depending on its usage and battery conservation. The work showed how intensity differs at various angles at 5°,15°,20° 35°, and 45° respectively. Also, the reflectivity of different materials and how it affects the battery life are studied. As the wearable robot moves away from the node-obstacle, the LMCG narrow-band sensor node (LMCG-NB-IoT) drops energy significantly. The Low Power WAN (LP-WAN), Bluetooth Low-Energy (BLE) and proposed LMCG-NB-IoT offered 51.28%, 33.33%, and 15.39% respectively. In terms of energy latency, the schemes gave 65.63%, 31.25%, and 3.12% respectively. Similarly, the proposed LMCG-NB-IoT had a 50% battery life profile. Finally, WearROBOT mobility aid minimizes injuries experienced by the visually impaired.

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Improving energy performance metrics to maximize the benefits of disruptive technologies

Cited by 4 publications

References 4 publications

Análisis exergético del R290 como sustituto del R410A en un acondicionador de aire variable operando con diferentes cargas de refrigerante

Análisis exergético del R290 como sustituto del R410A en un acondicionador de aire variable operando con diferentes cargas de refrigerante

Realization of Sustainable Development Goals with Disruptive Technologies by Integrating Industry 5.0, Society 5.0, Smart Cities and Villages

WearROBOT: An Energy Conservative Wearable Obstacle Detection Robot With LP Multi-Commodity Graph

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