Essays about: "underground economy"

Showing result 1 - 5 of 9 essays containing the words underground economy.

  1. 1. Techno-economic analysis and simulation of low temperature district heating networks

    University essay from Lunds universitet/Avdelningen för Energi och byggnadsdesign; Lunds universitet/Institutionen för arkitektur och byggd miljö

    Author : Ilia Iarkov; [2023]
    Keywords : Low-temperature district heating; Modelica; BTES; LCA; LCC; Technology and Engineering;

    Abstract : The continuous increase in global energy consumption has led to a greater focus on the energy required for heating buildings. This thesis presents a techno-economic model for analysing low-temperature district heating networks coupled with a geothermal heat source. READ MORE

  3. 2. Factors that influence an LHD operation: A Review

    University essay from Luleå tekniska universitet/Geoteknologi

    Author : Ivan Ricardo Marin Rodriguez; [2023]
    Keywords : LHD; LHD Operation; LHD Design; Bucket Design; Loading Operation; LHD Productivity; Fragmentation; LHD Operator;

    Abstract : As an important sector of the global economy, underground mining serves as the foundation for the economies of many nations. It involves the extraction of precious minerals, ores, and other geological elements. READ MORE

  4. 3. RECLAIMING KIRUNA : Ecological reclamation of post-exhaustion Kiruna mine

    University essay from KTH/Skolan för arkitektur och samhällsbyggnad (ABE)

    Author : DIKSHA ANAND; [2020]
    Keywords : Reclamation; Kiruna; Post-exhaustion mine; Brownfield redevelopment; Landscape ecology; Restore; Revive; Regenerate; Bio-economy; Sustainable urban design;

    Abstract : In brownfield regeneration models, extraction sites are often left out of the question because of degradation, severe contamination, or economic viability and are usually abandoned, after the minimal remediations. These exhaustions not only impact the environment and economy in spatial relations but also influence the growth of the communities cultured by them. READ MORE

  5. 4. Alternative Test Methods for Mine Trucks and Loaders to Reduce Environmental Impact, Improve Lead Time and Productivity

    University essay from Luleå tekniska universitet/Institutionen för teknikvetenskap och matematik

    Author : Petter Aksnes; [2019]
    Keywords : operations development; deviations; wastes; production flow; machine testing; verksamhetsutveckling; avvikelser; slöserier; produktionsflöde; maskinprovning;

    Abstract : Epiroc manufactures and develops equipment for the mining and infrastructure industry. This thesis has been performed at Epiroc Underground Rock Excavation (URE) in Örebro, the company’s largest production unit for underground machines. In this project MH machines (material handling) have been investigated, i.e loaders and trucks. READ MORE

  6. 5. The comparison of automatic and manual loading in an underground mining environment

    University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurser

    Author : Simon Marklund; [2017]
    Keywords : Underground Mining; Automation; Loading; Transport; LHD;

    Abstract : Mine automation has been in development since the 1980s and began to be implemented in the 1990s with the biggest drivers being safety, reduced maintenance and increased productivity. Automation is used in many different mining methods performing a variety of tasks. READ MORE