CiNii 図書 - Solar thermal and biomass energy

This book concerns renewable energy sources and in particular, it collects the state-of-the-art in thermal solar techniques and biomasses. Conventional energy sources based on oil, coal and natural gas are damaging economic and social progress, the environment and human life. Many people are concerned about these problems and wish to address the symptoms as a matter of urgency, but not all understand the basic causes and consequently do not realize that not only technological, but also social changes are required. It is now widely acknowledged that renewable energy capacity has to be increased by exploiting its enormous potential. A policy of energy sustainability can't leave solar energy exploitation out of consideration. Besides being the origin of almost all the other energy sources, renewable and conventional, excluding geothermic, nuclear and gravitational (tides) ones, the energy provided by the Sun is free, endless and clean (the devices used to exploit solar energy are characterized by very low emissions while running). Moreover solar energy is easy to harness and distribute (it is particularly abundant in many world areas with depressed and difficult economic situation).Very few books treat so diffusely the state-of-the-art in thermal solar technologies and especially biomasses, a topic in which there is a bit of confusion due to the very wide range of technologies related to this area. Renewable energy education is a relatively new field and previously it formed a minor part of traditional university courses. However, over the past decade, several new approaches have emerged: we see these in the new literature and, even more clearly, in new books. The present treatise, in the authors' auspices, represents a contribution to this new 'incoming science'.

Part I: Sun Energy Chapter 1: The solar radiation The solar physics
The solar constant
The extraterrestrial radiation
The position of the Sun in the celestial vault
The solar radiation on the Earth's soil during clear sky days
Instantaneous direct radiation received on a surface
Instantaneous global radiation received on a surface
Calculation of direct energy received on a surface
The true solar time
The diagram of solar trajectories
The monthly average solar radiation on inclined surfaces
Daily radiation on an inclined surface
Hourly solar radiation on inclined surfaces
The local radiation data retrieval
Variation in the energy which can be intercepted by the position of the surfaces Chapter 2: Solar energy utilization Introduction
Low-temperature solar thermal technology
Medium-temperature solar thermal technology
High-temperature solar thermal technology General bibliography and consulted websites - Part I Part II: Biomasses Energy Chapter 3: Biomasses identities Introduction
Definition and classification
Origin and nature
Commercial forms Chapter 4: Energy from biomasses Biomass energy conversion
Biochemical conversion
Thermochemical conversion Chapter 5: Environmental aspects Reduction of emissions into the atmosphere

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Solar thermal and biomass energy

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