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Search: Posts Made By: Sparty
Forum: General Today, 07:20 AM
Replies: 0
Views: 8
Posted By Sparty
$1 billion AUD investment in the Solar Sunshot program

The Albanese Government’s $1 billion investment in the Solar Sunshot program will supercharge Australia’s ambition to become a renewable energy super power at home and abroad....
Forum: General 03-26-2024, 08:32 AM
Replies: 10
Views: 173
Posted By Sparty
:) In summer can you fry an egg on bitumen or a dark tin roof in Penrith?

Frying an egg directly on bitumen or a dark tin roof in Penrith during summer is possible, but it depends on a few factors:

Peak Summer Temperatures: Penrith's average maximum temperature in...
Forum: General 03-26-2024, 08:25 AM
Replies: 10
Views: 173
Posted By Sparty
Dark Bitumen Roads and the Urban Heat Island Effect

Dark Bitumen Roads and the Urban Heat Island Effect: A Recipe for Hotter Cities

Dark bitumen roads are a significant contributor to the urban heat island effect, making cities noticeably warmer...
Forum: General 03-26-2024, 08:18 AM
Replies: 10
Views: 173
Posted By Sparty
Are there effective heat reflective roofing materials that are dark in color?

While there have been some advancements in heat reflective materials, finding truly effective dark-colored heat reflective roofing is challenging.

Here's why:

Physics of Heat Absorption: Dark...
Forum: General 03-26-2024, 08:15 AM
Replies: 10
Views: 173
Posted By Sparty
Gemini what color would you choose for a hot city roof?

As a large language model, I can't make personal choices. However, based on the information we discussed, here's why a white roof would be the most recommended color for a hot city:

Reduced Heat...
Forum: General 03-26-2024, 08:07 AM
Replies: 10
Views: 173
Posted By Sparty
Dust, Grime etc

In a crowded suburb with a lot of dust and grime, yes, dust and grime can definitely be a factor when choosing between white and dark roofs. Here's why:

White Roofs:
More Visible Dirt: White...
Forum: General 03-26-2024, 08:05 AM
Replies: 10
Views: 173
Posted By Sparty
Is white colorbond roofing more expensive than dark colorbond roofing

The color of Colorbond roofing itself generally doesn't significantly impact the price per sheet. Here's why:

Colorbond Coating: Colorbond uses a pre-painted steel system for all their colors,...
Forum: General 03-26-2024, 08:01 AM
Replies: 10
Views: 173
Posted By Sparty
Is there research as to why Penrith has so many dark roofs?

There isn't likely to be specific research directly addressing why Penrith has so many dark roofs. Here's why:

Focus on Broader Issues: Research on urban heat islands often focuses on the overall...
Forum: General 03-26-2024, 07:56 AM
Replies: 10
Views: 173
Posted By Sparty
Evaporating water cooling the local environment?

Absolutely, evaporating water is a very effective way to cool the local environment. Here's the science behind it:

Energy Transfer: When water evaporates, it absorbs heat energy from its...
Forum: General 03-26-2024, 07:52 AM
Replies: 10
Views: 173
Posted By Sparty
Melbourne's Urban Cooling Strategy

Melbourne, Australia, is taking a multi-pronged approach to address urban heat islands through its Urban Cooling Strategy. Here's a breakdown of some key elements:

Increasing Urban Green...
Forum: General 03-26-2024, 07:41 AM
Replies: 10
Views: 173
Posted By Sparty
Gemini were Penrith's dark roofs part of the problem?

Gemini were dark roofs part of the problem?

Yes, dark roofs likely played a role in amplifying the heat in Penrith during that heatwave, contributing to the record-breaking temperature. Here's...
Forum: General 03-26-2024, 07:40 AM
Replies: 10
Views: 173
Posted By Sparty
Penrith: hottest place on Earth in January 2020

Gemini was Penrith Sydney the hottest place on Earth in January 2020 Really?

On January 4, 2020, Penrith, in Western Sydney, Australia, recorded a scorching temperature of 48.9°C (120°F).

This...
Forum: General 03-26-2024, 02:07 AM
Replies: 3
Views: 1,291
Posted By Sparty
Investigator Resources update 26/3/2024

Thinking Silver? Think Investigator.
Advancing Australia’s highest grade Silver project. (https://wcsecure.weblink.com.au/pdf/IVR/02788710.pdf)
Forum: Mass Storage for Green Energy 03-25-2024, 06:51 AM
Replies: 6
Views: 1,250
Posted By Sparty
Could tidal generators be included in this discussion above?

Absolutely, tidal generators can be included in the discussion of energy storage solutions, although they have a different role compared to technologies like PHES and batteries. Here's how they fit...
Forum: Mass Storage for Green Energy 03-25-2024, 06:47 AM
Replies: 6
Views: 1,250
Posted By Sparty
Cost comparisons for energy storage technologies

Cost comparisons for energy storage technologies can be tricky
because they depend on several factors, including:

Project size and scale: Large-scale PHES facilities will naturally be more...
Forum: Mass Storage for Green Energy 03-25-2024, 06:43 AM
Replies: 6
Views: 1,250
Posted By Sparty
Benefits of High Elevation Change

Benefits of High Elevation Change:
Increased Storage Capacity: A larger height difference allows for lifting the heavy object (usually concrete blocks) further. This translates to storing more...
Forum: Mass Storage for Green Energy 03-25-2024, 06:40 AM
Replies: 6
Views: 1,250
Posted By Sparty
While not strictly needing a high elevation change?

Elevation change is beneficial, but not strictly necessary: While a significant elevation change can increase the storage capacity of a gravity storage system, it's not an absolute requirement. The...
Forum: Mass Storage for Green Energy 03-25-2024, 06:37 AM
Replies: 6
Views: 1,250
Posted By Sparty
Elevation change is beneficial, but not strictly...

Elevation change is beneficial, but not strictly necessary: While a significant elevation change can increase the storage capacity of a gravity storage system, it's not an absolute requirement. The...
Forum: Mass Storage for Green Energy 03-25-2024, 06:33 AM
Replies: 6
Views: 1,250
Posted By Sparty
What are Gravity Storage systems

Gravity storage systems are a relatively new technology that utilizes gravity's potential energy to store energy for later use. Here's a breakdown of how they work:

Concept: The core principle is...
Forum: Geothermal 03-25-2024, 03:33 AM
Replies: 0
Views: 253
Posted By Sparty
City Street Thumper for Geothermal Detection

This article "Urban Vibro Trucks will thump city streets for geothermal options" published by Newatlas (https://newatlas.us1.list-manage.com/track/click) describes an innovative German company...
Forum: Nuclear 03-25-2024, 02:34 AM
Replies: 5
Views: 18,379
Posted By Sparty
< 1in10 Institutional Investors +ve re Nuclear

Big investors with a lot of money to manage (over $37 trillion!) are more interested in renewable energy and other climate solutions than nuclear power.
In a survey, less than 10% of these...
Forum: General 03-23-2024, 05:10 AM
Replies: 0
Views: 344
Posted By Sparty
100% renewable electricity in Australia

100% renewable electricity in Australia (https://www.sciencedirect.com/science/article/pii/S0360544217309568)

(Summarised by Gemini)

Main Points:
*Australia can switch to 100% renewable...
Forum: Australian Rare Earths 03-21-2024, 10:58 PM
Replies: 1
Views: 605
Posted By Sparty
Since 2009 - Increasing interest from the USA in our Australian Rare Earth Companies

I posted this in March 2009

http://www.australianrareearths.com/images/australianREEs-usa-visitors.gif

The image is from Google's Analytics and the green shows where the traffic to...
Forum: Australian Rare Earths 03-21-2024, 07:02 AM
Replies: 7
Views: 7,051
Posted By Sparty
Increasing interest from the USA in our Australian Rare Earth Companies

https://www.alternative-energy.com.au/forum/showthread.php?t=601

Old 11-17-2009, 12:58 AM
Forum: Australian Rare Earths 03-21-2024, 06:46 AM
Replies: 1
Views: 605
Posted By Sparty
US Govt to Fund ASX Rare Earths Companies

US Government to Fund ASX Rare Earths Companies:
Loan Pledges: The US Export Import Bank (US EXIM) expressed interest in lending $1.28 billion to ASX-listed rare earths companies to counter China's...
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