Sökning: "Javad Barabady"

Hittade 4 avhandlingar innehållade orden Javad Barabady.

  1. 1. Improvement of system availability using reliability and maintainability analysis

    Författare :Javad Barabady; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Drift och underhållsteknik; Operation and Maintenance;

    Sammanfattning : System reliability, maintainability and availability have assumed great significance in recent years due to a competitive environment and overall operating and production costs. Performance of equipment depends on reliability and availability of the equipment used, operating environment, maintenance efficiency, operation process and technical expertise of operators, etc. LÄS MER

  3. 2. Production assurance : concept, implementation and improvement

    Författare :Javad Barabady; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Drift och underhållsteknik; Operation and Maintenance;

    Sammanfattning : The dynamic business environment is characterized by short-term and long- term uncertainties in the business processes, combined with a short-term focus on meeting customers' and share-holders' requirements. Therefore, making correct decisions in a dynamic business environ-ment is a major challenge for production plant engineers and managers all over the world. LÄS MER

  4. 3. Mine production index: Development and application

    Författare :Amol Lanke; Javad Barabady; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Production Assurance program PAP ; Fuzzy analytical hierarchy process FAHP ; Mine production assurance MPA ; Bottleneck detection; Mine production index MPi ; Mining; Drift och underhållsteknik; Operation and Maintenance Engineering;

    Sammanfattning : Assuring production forms a crucial part of mining business profitability. Factors related to various mine operations, activities and business processes can threaten required/planned mine production. To address problems and ensure production level in mining, it is necessary to implement a mine production assurance program (MPA). LÄS MER

  5. 4. Role of Fragmentation at the Production Level of a Sublevel Caving Operation

    Författare :Sohail Manzoor; Anna Gustafson; Håkan Schunnesson; Daniel Johansson; Javad Barabady; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Mining and Rock Engineering; Gruv- och berganläggningsteknik;

    Sammanfattning : This research was conducted to evaluate the association of rock fragmentation with different unit operations of a sublevel caving (SLC) production cycle. Drilling, charging, and blasting, as well as the nature of the rock mass, can affect the fragmentation observed at the drawpoints. LÄS MER