A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Energinių procesų agrofito aplinkoje aspektai ; Aspects of energy processes in agro-fit environment
Each process in nature may be characterized by its own distinctive material and energy exchanges. Many natural resources, including energy resources, are renewed in their natural way. The main renewable energy source on the Earth is solar radiation, received and used directly or after transformation into other kinds of energy. Man utilizes not all possible natural energy resources, choosing only those corresponding to current needs and the available technology level. The maximal utilization of the plant as a food and transformed solar radiation energy source is one of the most topical research issues. Only 3.5% of organic substances produced by dry land plants are consumed as food by human and animal consumers and utilised for energy needs. In the plant, 90 to 95% of dry organic matter is created by means of photosynthesis. The process itself goes on under the influence of solar radiation. The plant uses for creation of organic matter only 2% of solar radiation energy. The remaining 98% of solar energy is converted into the simplest, unrefined type of energy – heat transferred to the environment by convection heat transfer and in form of water vapour. Plant thermal energy exchange with the agro-fit environment is an important factor influencing the process of photosynthesis. The work is dedicated to the analysis of energy exchanges in an agro-fit environment from the viewpoint of thermal engineering.
Energinių procesų agrofito aplinkoje aspektai ; Aspects of energy processes in agro-fit environment
Each process in nature may be characterized by its own distinctive material and energy exchanges. Many natural resources, including energy resources, are renewed in their natural way. The main renewable energy source on the Earth is solar radiation, received and used directly or after transformation into other kinds of energy. Man utilizes not all possible natural energy resources, choosing only those corresponding to current needs and the available technology level. The maximal utilization of the plant as a food and transformed solar radiation energy source is one of the most topical research issues. Only 3.5% of organic substances produced by dry land plants are consumed as food by human and animal consumers and utilised for energy needs. In the plant, 90 to 95% of dry organic matter is created by means of photosynthesis. The process itself goes on under the influence of solar radiation. The plant uses for creation of organic matter only 2% of solar radiation energy. The remaining 98% of solar energy is converted into the simplest, unrefined type of energy – heat transferred to the environment by convection heat transfer and in form of water vapour. Plant thermal energy exchange with the agro-fit environment is an important factor influencing the process of photosynthesis. The work is dedicated to the analysis of energy exchanges in an agro-fit environment from the viewpoint of thermal engineering.
Energinių procesų agrofito aplinkoje aspektai ; Aspects of energy processes in agro-fit environment
Sirvydas, Povilas Algimantas (author) / Kerpauskas, Paulius (author)
2006-01-01
Energetika, 2006, Nr. 4 ; ISSN 0235-7208
Article (Journal)
Electronic Resource
Lithuanian , English
DDC:
690
Energinių procesų agrofito aplinkoje aspektai ; Aspects of energy processes in agro-fit environment
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