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Received 2021 Dec 5; Revised 2022 Aug 12; Accepted 2022 Sep 24; Issue date 2023 Jan 15.
Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company''s public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.
Keywords: COVID-19, Hospital, Hybrid renewable energy system, Hydrogen energy storage, Oxygen production, Photovoltaic panels
The schematic of the novel renewable hybrid system to produce electricity and O2 for COVID19 patients in hospitals.
Hourly solar radiation and ambient temperature for a year.
Features of PV panels. [24]
Features of the hydrogen storage system and oxygen capsules.
Configuration of solar panels on the rooftop of the hospital.
Relation for calculating purchased cost of PV panels, electrolyzer and fuel cell [34,35].
Where and are interest rate and operation years, respectively. Value of the mentioned parameters are given in Table 4.
Parameters used for the optimization [41].
Variation range of decision variables.
where x, X, std(x), mean(x) refer to features before preprocessing, features after preprocessing, standard deviation, and the average value of each feature.
Where n, yi, and denote to the number of data, actual and estimated value, respectively.
Fraction of crossover, elite, and mutation.
Portion of electricity and gas consumption of the hospital located in Tehran, Iran.
Percentage of energy consumption of different sections of the hospital.
Mounthly energy demand and energy supply by source.
Monthly number of filled oxygen capsules.
Gradient, mu and validation fail with epochs.
Train, validation, and test mean square error with epochs.
Regression model for training, validation, test and all data.
Pareto frontiers of 4 objective optimizations (cost rate, CO2 emission, power from the grid, and number of oxygen capsules).
The number of PV panels, electrolyzer power, fuel cell power, CO2 emissions, filled O2 capsules, cost rate and power from the grid for each point.
Articles from Energy (Oxford, England) are provided here courtesy of Elsevier
The U.S. healthcare system contributes 10% of the nation''s carbon emissions and 9% of harmful non-greenhouse air pollutants, and the industry continues to grow tter Buildings Healthcare sector partners represent 700 million square feet of space, collectively saving $340 million since 2011. These leading healthcare organizations are developing strategic cost reduction programs to improve the environment of care for patients, employees, and their communities.
To date, Better Buildings, Better Plants partners have saved more than 3.6 quadrillion Btu, saving more than $22 billion and 224 million metric tons of CO2.
Dealing with COVID-19 presents an unprecedented scenario for building owners, plant managers, and employees. Better Buildings has collected resources from partners, affiliates, and other organizations that may prove useful.
There are many different ways to work with DOE through the Better Buildings Initiative. Explore our partnerships to find the best fit for your organization, whether your focus is energy, water, waste, or carbon.
Valley Children''s Healthcare is building a renewable energy microgrid to enhance operational resilience, financial efficiency, and environmental sustainability while reducing over 50% of GHG emissions, covering 80% of the hospital''s energy needs, and saving $15 million over 25 years.
UW Health''s new Eastpark Medical Center in Madison, Wisconsin will reap 30% energy savings based on ASHRAE 90.1 design standards and features the state''s largest solar carport, peak demand controls, native landscaping, electric vehicle charging stations, and green cleaning practices.
Allina Health leveraged a climate risk vulnerability assessment tool from the University of Minnesota and the State of Minnesotato ensure the organization is prepared for the impacts of climate change on its buildings and community.
DaVita Kidney Care leveraged virtual power purchase agreements (VPPAs) to achieve 100% renewable energy throughout its U.S. operations via the construction of both wind and solar farms in Texas.
The document provides insights and best practices for telehealth, including carbon reduction, space utilization, equitable access, and technology.
Healthcare Realty partnered with a renewable energy advisor to establish its solar program, including a carport array,and make progress towards its energy and GHG emissions reduction goals; all of the projects in the pipeline will be financed through third-party ownership, via power purchase agreements or through a feed-in-tariff program.
Erie VA Medical Center (VAMC) replaced water-cooled condensing units with air-cooled units, achieving monthly water savings of more than 55% and over 8,000,000 gallons over the first year of operation.
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