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Name
Environment. Technology. Resources.
Type
Journal
Items
457 Publications
Compatibility
OpenAIRE 3.0 (OA, funding)
OAI-PMH
http://journals.ru.lv/index.php/ETR/oai

 

  • SPURIOUS ACTIVATION ASSESSMENT OF THERMAL POWER PLANT’S SAFETY-INSTRUMENTED SYSTEMS

    Safety-instrumented systems (also called technological protections) play the significant role in prevention and mitigating of major accidents that can occur on thermal power plant. Activations of safety-instrumented system turn the power unit into safe state by shutting it down or reducing it productivity. The power generation process operates continuously. Any unplanned outage of generation equipment leads to undersupply of energy and big commercial losses to generation company. In Russia th...

    A task for laser cutting of lamellae with TruLaser 1030

    The growing development of manufacturing, automotive, aerospace and other sectors in the industry generates the necessity to continuously expanding on modifications of electrical machinery and equipments which are used in them, as well as to improve their performance and reliability. The report presents some results from a study to the process of laser cutting through melting on lamellae for rotor and stator packages by using the laser system TruLaser 1030. Some functional dependencies are of...

    Assessing the potential of coniferous greenery from logging residues in Latvia using a system dynamics model

    Latvia is the fourth most forested country in Europe. 52 % of the country’s area is covered by forest lands. Approximately 41 % of the forests are composed of conifers that are the most harvested among the tree species in Latvia. Therefore, as a result of logging, large amount of coniferous residues are created and abandoned in forests.  There are several alternatives for sustainable use of coniferous residues. Still, the exact quantity of the resource is not known. Thus, it is not clear, whe...

    Thermal Insulation Materials From Sapropel And Hemp Shives (Cannabis Sativa L .)

    In Latvia, sapropel is an organic lake sediment that is formed from the remains of aquatic animals and aquatic plants, containing mineral particles (sand, clay, calcium carbonate and other compounds). Hemp is a rapidly growing multi – functional energy plant. Hemp seeds and fibre have a very high value on the world market , but in the world when processing hemp, shives of hemp remain as waste. The solution is found in the resources available in Latvia to use them for increasing energy efficie...

    Oil Additive Testing Equipment

    Automobile industry annually is to reduce harmful emissions into the environment. Anti-friction oil additives in automotive internal combustion engines is one way fight against friction losses which result from fuel economy, which in turn reduces the amount of harmful emissions vehicle exhaust. Assessment of the effectiveness of oil additives need to tribologycal properties for further analysis. For the purpose of this research is carried out in a variety of major friction equipment design st...
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