CUED Publications database

Useful work transitions in Portugal, 1856–2009

Serrenho, AC and Sousa, T and Domingos, T and Warr, B and Ayres, R (2015) Useful work transitions in Portugal, 1856–2009. In: Energy Security and Development: The Global Context and Indian Perspectives. UNSPECIFIED, pp. 133-146.

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The use of heat, as a consequence of industrialization, is a recent evolution to the service economy. In contrast to the conventional approach, we perform a useful work accounting, focusing our analysis on the final uses of energy instead of their sources. This enables the assessment of energy-driven activities and capturing of the structure of energy mixes. In addition, we include important energy flows, such as food for humans and feed for working animals, which are usually absent from energy statistics. We consider five different categories of energy uses: heat, mechanical drive, light, other electric uses, and muscle work. We apply this methodology to account for useful work in Portugal from 1856 to 2009. Different transitions in final energy use are identified in this long-term analysis such as the shifts from firewood to coal and from coal to oil and electricity. Useful work shifts from muscle work to mechanical drive uses, and from low to high temperature.

Item Type: Book Section
Divisions: Div D > Structures
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:18
Last Modified: 10 Apr 2021 22:48
DOI: 10.1007/978-81-322-2065-7_8