Original Article Telecommunication
Approaches to Overcome Challenges and Technology Bottlenecks of Geostationary Orbit high Throughput Satellite Payload Antenna

elham sharifi; Arash Ahmadi; Mohammad Fazaelifar

Volume 3, Issue 1 , August 2023, Pages 1-12


  The antenna of a high throughput satellite payload should generate multiple spot beams simultaneously to provide frequency reuse by creating cellular coverage for the satellite. The phased array antenna is a proper option for this application. In geostationary orbit, the satellite field of view is limited, ...  Read More

reviewed article
Statistical Study of Satellite Constellations and the Cubesat Role

Ehsan Mousivand; Sajjad Ghazanfarinia; Yaser Saffar; Masoud Khoshsima

Volume 3, Issue 1 , August 2023, Pages 13-26


  Satellite Constellations are the new approach to achieve the capabilities that were previously expected from large and complex satellites. This paper reviews activities and related satellite constellation of about 130 companies and research institutes in the world, with the aim of reviewing the approach ...  Read More

Original Article
Pulse-mode Performance Evaluation of a Monopropellant Hydrazine Thruster

mohamad ali amirifar; alireza rajabi; nooredin ghadiri masoom; Zahra Amirsardari

Volume 3, Issue 1 , August 2023, Pages 27-34


  In this study, the pulse mode performance of a monopropellant hydrazine thruster has been studied. For this purpose, a laboratory sample of a monopropellant hydrazine thruster under atmospheric pressure was fabricated and tested. The catalyst of this thruster is synthesized natively. The pulse mode performance ...  Read More

Original Article Telecommunication
Scheduling an Agile Earth Observation Satellite with a Defined Mission Using Discrete Event Supervisory Control

Arda Afzali; Bahman Ghorbani Vaghei

Volume 3, Issue 1 , August 2023, Pages 35-47


  Finding the best possible scheduling to maximize observations and transfer them to the ground station as a function of satellite characteristics, orbital mechanics, attitude control system, field of view and observational objectives, is very important. The combination of the agility of the satellite ...  Read More

Original Article
Design, Analysis and Structural Test of Telecommunication Satellite Based on ECSS Standard

Seyed Mohammad Navid Ghoreishi; Mohammad Aminjafari; Amir Sedaghati; Ehsan Zabihian

Volume 3, Issue 1 , August 2023, Pages 48-63


  The structure of a satellite, during its operational life, must be tolerated all applied mechanical loads which the most important of them is vibration loads during the launch. To ensure the verification of design of the satellite structure, finite element analysis and vibration tests should be performed ...  Read More

Original Article
Lost-in-space star identification algorithm based on Hausdorff distance with two approaches: Pivot star and celestial sphere segmentation

Mona Zahednamazi; Alireza Toloei; Reza Ghasemi

Volume 3, Issue 1 , August 2023, Pages 64-75


  One of the best attitude sensors for space applications is the star sensor. This sensor determines the attitude using stars in the field of view. One of the main advantages of this sensor is attitude initialization using lost-in-space star identification algorithms. This paper presents a new lost-in-space ...  Read More

reviewed article Material science
A review of self-healing technologies in YSZ thermal barrier coatings

Maedeh sadat Zoei; S. Javid Mirahmadi; Mojtaba Forghani; mohammad chiani; Saeed Asghari

Volume 3, Issue 1 , August 2023, Pages 76-86


  Thermal barrier coatings (TBCs), are advanced ceramic systems that are usually applied to the surface of hot industrial parts to improve equipment performance at higher temperatures. During each thermal cycle, due to the mismatch in the coefficients of thermal expansion of TBC layers, these layers expand ...  Read More

Original Article
Investigating propellant flow in the converging-diverging nozzle with atmospheric outlet conditions by means of numerical simulation and validating the results with experimental tests

adel Pourtaghi Marzrood; Arezoo Esmaeili; adel Pourtaghi marzrood; Moharram Shameli

Volume 3, Issue 1 , August 2023, Pages 87-96


  Backflow is a phenomenon that occurs due to the increase of upstream pressure compared to downstream pressure. In converging-diverging nozzles, by increasing the outlet pressure compared to the design pressure, the phenomenon of backflow is observed in the divergent part, which causes a decrease in the ...  Read More

Original Article Material science
Investigating the Effect of Microgravity and Gravity of Mars on the Absorption of Lead by Lactobacillus acidophilus

maryam salvatifar

Volume 3, Issue 1 , August 2023, Pages 97-104


  One of the most serious problems of the industrialized world is heavy metal contamination. As a heavy metal, lead has very harmful effects on human health even in small amounts. Therefore, removing it from water is one of the most important challenges in public health system. Microorganism application ...  Read More

Original Article Telecommunication
Design, and Fabrication of X-band Antenna for Sensing Satellite with the Use of Circular Probe and Radiation Pattern Directing Blades

Hossein Eskandari; Razieh Narimani; Elham Hosseini

Volume 3, Issue 1 , August 2023, Pages 105-113


  In this paper a waveguide antenna to create a saddle shaped pattern for remote sensing satellite applications has been introduced, and a method to excite a waveguide as feeding X-band antenna with the aim of achieving circular polarization has been presented. With the use of a circular microstrip probe, ...  Read More

Original Article Space engineering
The Effect of Micrometeorite's Random Impact on Satellite Lifetime with Redundant Solar Panel Approach

Roya Sanaie; Pouya Talebinejad; Seyed Mohammadjavad Tabatabiee; Mahdi Fakoor

Volume 3, Issue 1 , August 2023, Pages 114-122


  The solar array ,one of the main parts of the satellite's electrical power subsystem, is responsible for providing the required electrical power for the satellite during the mission. Micrometeorites and small space debris are considered serious risk for the satellite mission. Due to the number of satellites ...  Read More

Original Article
The Effects of Space Weather on Economic Processes and Human Civilization Infrastructures

Amirreza Kosari; Elahe Khatoonabadi; Aida Kazemi; reza amjadifard; Vahid Bohlouri

Volume 3, Issue 1 , August 2023, Pages 123-144


  This paper investigates solar activities and its phenomena from the perspective of risks on the functioning of urban infrastructures, industrial systems and economic structure affected by such phenomena. Also, according to the existing analyzes and results, the basic requirements to prevent the severity ...  Read More