ResearchPaper Space New Technologies
Free vibration analysis of grid stiffened doubly curved composite shells using a refined higher order theory

Reza Kohandani; Ali Davar; Mohsen Heydari Beni; Jafar Eskandari Jam; Majid Eskandari Shahraki

Volume 15, Issue 1 , March 2022, Pages 1-21

  In this research the free vibration analysis of simply supported grid stiffened doubly curved shells by using a refined higher order theory is presented. The advantage of the present theory in comparison with other higher order theories is investigation of the effects of trapezoidal shape factor in the ...  Read More

ResearchPaper Space subsystems design: (navigation, control, structure and…)
Rapid Performance Sizing of Reaction Wheels in a Very High Resolution Remote Sensing Satellite Using Matching Diagram Technique

Amir Reza Kosari; Alireza Ahmadi; Alireza Sharifi; Masoud Khoshsima

Volume 15, Issue 1 , March 2022, Pages 23-42

  Very High Resolution Passive Scan Agile Earth Observation Satellites are able to maneuver around all their three body axes and scan the target area in different directions, simultaneously. The most stringent mid-level requirements which dominate their attitude determination and control subsystem performance ...  Read More

ResearchPaper physiology and space medicine (astrobiology)
Evaluation of changes in the expression level of some genes involved in decompression sickness in the pressure changes

Ehsan Siami; Reza Mohammadi; Vajiheh Zarrinpour

Volume 15, Issue 1 , March 2022, Pages 43-52

  This study evaluates the expression level of genes that change by pressure changes in astronautics and diving disorders such as decompression sickness. This study was performed on five skilled divers to analyze the expression level of TLR-2, HSP-72, IL-1b, NF-kB, and MPO genes that are responsible for ...  Read More

ResearchPaper Space subsystems design: (navigation, control, structure and…)
Re-Entry Trajectory Design with Use of Aided Optimization Algorithm through Combination of Classic Guidance & Acceleration Profile Optimization

Mohammad Javad Poustini; Seyed Hossein Sadati; Yosof Abbasi; Seyyed Majid Hosseini

Volume 15, Issue 1 , March 2022, Pages 53-65

  Trajectory optimization is a familiar method for most of re-entry and Re-usable vehicles. This is because of the ability to include almost all of the problem constraints without facing restrictions such as time & Calculation issues. Adding or removing constraints in trajectory optimization problem ...  Read More

ResearchPaper Space subsystems design: (navigation, control, structure and…)
Vibration control design of fuel sloshing in a spacecraft using virtual actuator

Abdolmagid khoshnood; Ali Aminzadeh; Peyman Nikpey

Volume 15, Issue 1 , March 2022, Pages 67-76

  This paper is dedicated to modeling of fuel sloshing dynamics and its effect on the stability and control of the space vehicle. Sloshing due to the liquid movement in the fuel tank of a space vehicle's propulsion system can be effective on the vehicle’s control and stability. Force and moment interaction ...  Read More

ResearchPaper Space subsystems design: (navigation, control, structure and…)
Developing a universal Software for the Conceptual Design of Cryogenic Rocket Propulsion System

Nourbakhsh Fouladi; Neda sadat Seddighi renani

Volume 15, Issue 1 , March 2022, Pages 77-92

  In this article, a universal algorithm and engineering software is presented for the conceptual design of cryogenic rocket propulsion system. The algorithm consisting five engine working cycles: pressure fed, gas generator, staged combustion, closed and opened expansion cycles. For validation, the Vulcain ...  Read More

ResearchPaper Space Science and Technology
Effects of geometrical parameters of a two-sided catalyst bed on flow and thermal fields of a monopropellant hydrazine thruster

Mohammad Reza Salimi

Volume 15, Issue 1 , March 2022, Pages 93-110

  In present study, a hydrazine based monopropellant thruster decomposition chamber is simulated numerically. The catalyst bed separated in two sides, the particles size in upstream side is larger than those in downstream side. Effects of upstream side length and its particles diameter on catalyst bed ...  Read More

ResearchPaper commerce, management, and apace law
The Intellectual Property Rights and Transfer of Technology in Space Industry

Saied Habiba; Hamid Kazemi; Milad Sadeghi

Volume 15, Issue 1 , March 2022, Pages 111-124

  From the past, space activities which has been extremely important for governments as the main and traditional players in the space industry, are now attractive to non-governmental and private individuals, who are the new actors in the space industry. Undoubtedly, in this field, technology is a prerequisite ...  Read More

ResearchPaper Space transportation systems Design (launch site and subsystems,…)
Multi-disciplinary optimization conceptual design of the launcher based on non-turbopump propulsion systems

Hanieh Eshaghnia; Mehran Nosratollahi; Amirhossain Adami; Hadi Dastoury

Volume 15, Issue 1 , March 2022, Pages 125-141

  Turbopump propulsion systems have been used in almost all launch vehicles. With the advancement of manufacturing technologies, especially in the use of composite and lightweight structures, the use of non-turbopump propulsion systems has been considered due to the reduction of operating costs. This study ...  Read More