Modification of the Detonation Parameters of Mining Explosives Containing Hydrogen Peroxide and Aluminium Powder

• Autorzy: Paszula Józef , Maranda Andrzej , Nikolczuk Karolina , Giercuszkiewicz Agnieszka

Identyfikatory

DOI

10.22211/cejem/145031

• Języki publikacji: EN

Abstrakty

EN

Presently, due to rising environmental consciousness, numerous actions are being taken to prevent devastation of the natural environment. If explosive mixtures are manufactured in an insufficiently controlled manner, they contain too much ammonium nitrate and generate nitrogen oxides (NOx), which are both harmful for living organism and responsible for negative weather phenomena. However, the products from decomposition of hydrogen peroxide are only oxygen and hydrogen, which are both environmentally friendly. This paper presents the results of research on the impact of two types of aluminium powder on the detonation parameters of mining explosives containing hydrogen peroxide 60% as an oxidiser. The detonation velocities were measured by means of short circuit sensors. Direct measurement of the blast wave overpressure was performed with piezoelectric sensors and the positive phase impulse was analyzed. Measurement of the explosive strength was made by the ballistic pendulum method for 10 g samples. The results of these experiments showed that the addition of both types of aluminium, as well as their content in the explosive mixture, have a significant impact on all of the measured parameters.

Słowa kluczowe

EN

hydrogen peroxide; detonation velocity; ammonium(V) nitrate; blast wave characteristics

• Czasopismo: Central European Journal of Energetic Materials
• Rocznik: 2021
• Tom: Vol. 18, no. 4
• Strony: 477--491
• Opis fizyczny: Bibliogr. 18 poz., rys., tab.

Twórcy

autor

Paszula Józef

• Military University of Technology, 2 gen. S. Kaliskiego Street, 00-908 Warsaw 46, Poland

• https://orcid.org/0000-0003-1908-6804

autor

Maranda Andrzej

• Łukasiewicz Research Network – Institute of Industrial Organic Chemistry, 6 Annopol Street, 03-236 Warsaw, Poland

• https://orcid.org/0000-0003-3543-6587

autor

Nikolczuk Karolina

• Łukasiewicz Research Network – Institute of Industrial Organic Chemistry, 6 Annopol Street, 03-236 Warsaw, Poland

• https://orcid.org/0000-0003-2376-7661

autor

Giercuszkiewicz Agnieszka

• Military University of Technology, 2 gen. S. Kaliskiego Street, 00-908 Warsaw 46, Poland

• https://orcid.org/0000-0002-0391-2932

Bibliografia

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