Sustainable Energy - Without the Hot Air by David JC MacKay

By David JC MacKay

Addressing the sustainable strength main issue in an target demeanour, this enlightening ebook analyzes the correct numbers and organizes a plan for switch on either a private point and an international scale—for Europe, the U.S., and the realm. In case learn layout, this informative reference solutions questions surrounding nuclear power, the potential for sustainable fossil fuels, and the probabilities of sharing renewable strength with international international locations. whereas underlining the trouble of minimizing intake, the tone is still optimistic because it debunks incorrect information and obviously explains the calculations of expenditure consistent with individual to motivate humans to make person adjustments that may profit the realm at large.

Show description

Read or Download Sustainable Energy - Without the Hot Air PDF

Similar oil & energy books

The Final Energy Crisis

Few books in regards to the strength drawback are as up to date as this one is and few are as filled with insights. that is a mix that cannot be beat as I see it.

Carbon Shift: How Peak Oil and the Climate Crisis Will Change Canada (and Our Lives)

"We are actually so abusing the Earth that it could upward thrust and circulate again to the recent nation it used to be in fifty-five million years in the past, and if it does, so much people, and our descendants, will die. " -James Lovelock, prime weather professional and writer of The Revenge of Gaia "I do not see why individuals are so fearful approximately worldwide warming destroying the planet - height oil will look after that.

Green Building: Guidebook for Sustainable Architecture

A big attention for energy-efficient constructions is their basic strength standards over the full lifestyles cycle. tips to make certain this? What integrative components impact the functionality of a fit and sustainable development? This, whereas it can be vital for consumers and designers to grasp, is often now not very obvious.

Talking Climate: From Research to Practice in Public Engagement

This ebook describes a clean method of weather switch conversation: 5 middle ideas for public engagement which may propel weather swap discourse out of the margins and into the mainstream. The query of the way to speak approximately weather swap, and construct public engagement in high-consuming, carbon-intensive Western international locations, has occupied researchers, practitioners, and campaigners for greater than 20 years.

Additional resources for Sustainable Energy - Without the Hot Air

Sample text

C. MacKay. 5. 4. Chapter 2’s conclusion: a typical car-driver uses about 40 kWh per day. Now we need to find out about sustainable production. 5. How British people travel to work, according to the 2001 census. 28 Sustainable Energy – without the hot air 26 the official value of 10 kWh per litre. 7 kWh/l. When looking up calorific values, you’ll find ‘gross calorific value’ and ‘net calorific value’ listed. These differ by only 6% for motor fuels, so it’s not important to distinguish them, but let me explain anyway.

False. The energy yield ratio (the ratio of energy delivered by a system over its lifetime to the energy required to make it) of a roofmounted, grid-connected solar system in Central Northern Europe is 4, for a system with a lifetime of 20 years [Richards and Watt, 2007]; and more than 7 in a sunnier spot such as Australia. ] Wind turbines with a lifetime of 20 years have an energy yield ratio of 80. 8. Solar photovoltaic: a 10 m2 array of building-mounted south-facing panels with 20% efficiency can deliver about 4 kWh per day of electrical energy.

One way to estimate the energy used per day for hot air is to imagine a house heated instead by electric fires, whose powers we know. The power of a small electric bar fire or electric fan heater is 1 kW (24 kWh per day). In winter, you might need one of these per person to keep toasty. In summer, none. So we estimate that on average one modern person needs to use 12 kWh per day on hot air. But most people use more than they need, keeping several rooms warm simultaneously (kitchen, living room, corridor, and bathroom, say).

Download PDF sample

Rated 4.45 of 5 – based on 33 votes