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Design Optimisation of Wind- PV-Microhydro-Multi-Energy Storage System
Aerk Dimri, et. al
School of Engineering University of Aberdeen
Abstract: Combined Heat and Power (CHP) units supply around two-thirds of the electricity that is consumed in the University of Aberdeen, s Old Aberdeen campus. As the CHP unit nears the end of its designed life., this paper explores the most cost-effective Hybrid Renewable Energy System (HRES) configuration that can replace the CHP and achieve the university , s emission reduction target. This paper first analyses the current CHP and grid energy system and presents the electricity demand and the equivalent carbon emissions of the Old Aberdeen campus. Then the potential for renewable electricity generation is explored which includes an assessment of the wind energy resources, solar irradiance, potential locations for solar panel installation on the University property, and the potential of micro-hydro installations on the river Don. The electricity demand and the renewable energy data are then used to find the most cost-effective HRES configurations for multiple energy scenarios using MOHRES software. The most cost-effective HRES solution in the context of the Old Aberdeen campus achieves net-zero electricity at an investment cost of 7.1 M£ which is paid back in 25 years with an overall energy cost of 0.18 £/kWh. This cost is 14.3% lower than the current cost of electricity supplied by the grid. The annual cost of carbon offsets that need to be paid between 2040 to 2045 to balance emissions from grid electricity using the recommended solution is projected to be around £35.,000.
IEEE Education and Healthcare Facilities Committee
What to Eat for Breakfast | Jia Yuan Canteen
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中文版
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Specification for Irish Coffee
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IoT Enabled Smart Gardening
Nikhil Sukhdev – Naman Nahata
PES University, Bangalore, India
Sunil Sridhara – Gnana Swamy
CTAS Development
Abstract: Internet of Things (IoT) is the interconnection of physical objects and devices to the internet and in turn to each other to aid decision making. This paper deals with automation of gardening systems using IoT. With water resources becoming ever so scarce by the day, it has become imperative that we use water extremely judiciously in all walks of our daily life. We track the environmental conditions such as humidity of the soil, and temperature and take an appropriate route towards the problem. Based on the data collected, we run algorithms which help keep the garden in good condition and at the same time using resources optimally.
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Trees
https://www.facebook.com/photo.php?fbid=712034790962912&set=t.100063490485113&type=3
“Landscape with a clump of trees” 1844 Théodore Rousseau
“Keep a green tree in your heart
and perhaps a singing bird will come”.
— Chinese proverb
The condition of campus gardens, trees and landscaping is a central element of ambiance, brand identity, environmental instruction and even revenue to education communities when tied to charitable donations. The Tree Care Industry Association (TCIA) is trade association of 2300 private tree care firms that is also an ANSI-accredited standards developer. It has several titles relevant to education communities and posts drafts of best practice titles at the link below:
Current Projects & Public Review Periods
Last year we tracked a revision of TCIA A300 that asserted leading practice for lightning protection has been released for public consultation. The consultation period closed and, like many standards setting organizations, leading practice discovery has been impeded by the circumstances of the pandemic.
We encourage our colleagues in business units responsible for lawns, trees, gardens and pathways to participate in the TCIA standards development process (Learn more HERE). Stakeholders in any interest category may communicate directly with Amy Tetreault at the Tree Care Industry Association, (603) 314-5380, atetreault@tcia.org, 136 Harvey Rd # 101, Londonderry, NH 03053.
We maintain the TCIA standards catalog on our periodic Bucolia and Pathway colloquia. See our CALENDAR for the next online meting; open to everyone.
Issue: [Various]
Category: Bucolia, Pathways
Colleagues: Mike Anthony, Jack Janveja, Richard Robben
LEARN MORE:
A Brief History of Isaac Newton’s Apple Tree
Learn how to apply an SRS redirect without unloading your primary suspension point in this instructional video and article featuring Aaron Feather, CTSP! https://t.co/qJCSQeg2iz
— Tree Care Industry Association (@TreeCareBiz) May 22, 2020
Always return to this Czesław Miłosz: pic.twitter.com/3Ydw75jwCQ
— Dr. Maya C. Popa (@MayaCPopa) July 4, 2023
Rainwater Catchment Systems
Duke University West Campus Water Reclamation Pond | Click on image
One of several titles asserting best practice for rainwater catchment systems — an emergent design feature many college and university facility departments are signaling to demonstrate their conformity to the campus sustainability zietgeist — is ASPE 63 Rainwater Catchment Systems; developed and published by the American Society of Plumbing Engineers. From the project prospectus:
Scope: This standard covers requirements for the design and installation of rainwater catchment systems that utilize the principle of collecting and using precipitation from a rooftop and other hard, impervious building surfaces. This standard does not apply to the collection of rainwater from vehicular parking or other similar surfaces.
Project Need: The purpose of this standard is to assist engineers, designers, plumbers, builders/developers, local government, and end-users in safely implementing a rainwater catchment system.
Stakeholders: Plumbing engineers, designers, plumbers, builders/developers, local government, end users.
You may obtain a copy of the 2020 edition by contacting Gretchen Pienta, (847) 296-0002, gpienta@aspe.org, 6400 Shafer Court, Suite 350, Rosemont, IL 60018. We encourage front-line/workpoint experts and facility managers to participate in the ASPE standards development process. Start with the link below:
ASPE Standards Development Home Page
We have all water system codes and standards on the agenda of our next monthly Mechanical, Plumbing and Rain colloquia See our CALENDAR for the next online meeting; open to everyone.
Issue: [13-61]
Category: Mechanical Engineering, Water
Colleagues: Richard Robben, Larry Spielvogel
University of Toledo
Related: Posted 10 September 2020
Artificial Intelligence in Health Care: Trustworthiness
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Evensong “And So It Goes”
In every heart there is a room
A sanctuary safe and strong
To heal the wounds from lovers past
Until a new one comes along
[Verse 2]
I spoke to you in cautious tones
You answered me with no pretense
And still I feel I said too much
My silence is my self defense
[Chorus]
And every time I’ve held a rose
It seems I only felt the thorns
And so it goes, and so it goes
And so will you soon I suppose
[Verse 3]
But if my silence made you leave
Then that would be my worst mistake
So I will share this room with you
And you can have this heart to break
[Chorus]
And this is why my eyes are closed
It’s just as well for all I’ve seen
And so it goes, and so it goes
And you’re the only one who knows
[Verse 4]
So I would choose to be with you
That’s if the choice were mine to make
But you can make decisions too
And you can have this heart to break
[Outro]
And so it goes, and so it goes
And you’re the only one who knows
New update alert! The 2022 update to the Trademark Assignment Dataset is now available online. Find 1.29 million trademark assignments, involving 2.28 million unique trademark properties issued by the USPTO between March 1952 and January 2023: https://t.co/njrDAbSpwB pic.twitter.com/GkAXrHoQ9T
— USPTO (@uspto) July 13, 2023
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