Statement of the problem of designing a liquid rocket engine dual bell nozzle of the maximum thrust using the direct method of the calculus of variations
Statement of the problem of designing a liquid rocket engine dual bell nozzle of the maximum thrust using the direct method of the calculus of variations Ivan Dubrovskyi ORCID: https://orcid.org/0000-0002-0707-0074 Oles Honchar Dnipro National University, Dnipro Valerii Bucharskyi ORCID: https://orcid.org/0000-0002-8245-5652 Oles Honchar Dnipro National University, Dnipro Introduction A rocket engine with a standard single-section profiled nozzle provides maximum thrust only at a certain value of atmospheric pressure [1]. To expand the range of atmospheric pressure values at which the optimum …