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Petter Nekså

Chief Scientist

Petter Nekså

Chief Scientist

Petter Nekså
Phone: 926 06 519
Email:
Department: Gas Technology
Office: Trondheim

Publications and responsibilities

Publication
https://www.sintef.no/en/publications/publication/1950532/

In the literature, different energy carriers are proposed in future long-distance hydrogen value chains. Hydrogen can be stored and transported in different forms, e.g. as compressed dense-phase hydrogen, liquefied hydrogen and in chemically bound forms as different chemical hydrides. Recently...

Year 2021
Type Academic article
Publication
https://www.sintef.no/en/publications/publication/1925043/

This paper presents methods for design optimization and performance analysis of radial inflow turbines. Both methods are formulated in an equation-oriented manner and involve a single mathematical problem that is solved by an efficient, gradient-based optimization algorithm. In addition, the...

Authors Brede Andre Larsen Hagen Roberto Agromayor Petter Nekså
Year 2021
Type Academic article
Publication
https://www.sintef.no/en/publications/publication/1898311/

In the present study, the performance of a 33 kW multiejector trans-critical CO2 cooling system is experimentally evaluated for a supermarket application with/without internal heat exchanger and evaporative cooling. In order to enhance the overall performance of the system for tropical regions, the...

Authors Simarpreet Singh Armin Hafner M.P. Maiya Krzysztof Banasiak Petter Nekså
Year 2021
Type Academic article
Publication
https://www.sintef.no/en/publications/publication/1822029/

India is ranked first in milk production, and its goal is to increase annual production to 300 million tons by 2024. The dairy industry requires multi-temperature cooling and simultaneous heating. In the present study, the ejector based transcritical CO₂ system with two evaporators (LT at -10°C, MT...

Authors Koti Dasi Simarpreet Singh A.M. Guruchethan M.P. Maiya Armin Hafner Krzysztof Banasiak Petter Nekså
Year 2020
Type Academic article
Publication
https://www.sintef.no/en/publications/publication/1816892/

Experimental evaluation of a multiejector CO2 cooling system of 33 kW cooling capacity is conducted for an Indian supermarket at high ambient temperature context. The test-rig is designed to depict the actual supermarket cooling requirements in India with three different cooling temperature levels...

Authors Simarpreet Singh Prakash Maiya Armin Hafner Krzysztof Banasiak Petter Nekså
Year 2020
Type Academic article