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PORTALE DELLA DIDATTICA

Space Environment, Access and Operations

01DWAPH

A.A. 2022/23

Course Language

Inglese

Degree programme(s)

Master of science-level of the Bologna process in Ingegneria Gestionale (Engineering And Management) - Torino

Course structure
Teaching Hours
Lezioni 60
Esercitazioni in aula 20
Lecturers
Teacher Status SSD h.Les h.Ex h.Lab h.Tut Years teaching
Pagani Alfonso   Professore Associato ING-IND/04 15 0 0 0 1
Co-lectuers
Espandi
Context
SSD CFU Activities Area context
ING-IND/03
ING-IND/04
ING-IND/07		 2
4
2		 D - A scelta dello studente
D - A scelta dello studente
D - A scelta dello studente		 A scelta dello studente
A scelta dello studente
A scelta dello studente
Statistiche superamento esami
2022/23
Exploiting the space for scientific and commercial reasons requires operating in a severe environment. From the launch up to the in-orbit operations, the spacecraft, whether launchers, satellites, or manned modulus, must face harsh external conditions and must survive extreme mechanical loads. The effective implementation of space activities requires having a fundamental understanding of the context in which the systems must operate and the capability to recognise the pros and cons of the technologies that can be adopted. This course offers a first introduction to the space environment, an overview of the main spacecraft architectures and an analysis of the typical mission profiles. The student will understand the complex environment in which typical spacecraft operates, starting from the trans-atmospheric flight up to the operation in a microgravity context. The effects of the thermal loads, space radiation and low-pressure atmosphere will be discussed. A wide introduction of the common architecture of spacecraft will be given to establishing the common taxonomy used in space operations. The anatomy of typical launcher systems, the common layup of satellite, space modulus and stratospheric platforms is introduced. A special focus will be offered on expendable and semi-reusable launch vehicle structures design and engineering requirements. Emphasis will be given to the study of launch loadings, materials and structural design requirements, manufacturing, propulsion system and launch vehicle capabilities. The course will introduce the main aspect of a space mission, the available orbits, and the impact of the mission profile on the technical requirements and costs. The student will acquire fundamentals on space vehicle design; she/he will be able to make decisions on which launch vehicle to use or to identify the characteristics of spacecraft necessary to choose a launch vehicle for either up-stream or down-stream space missions.
Exploiting the space for scientific and commercial reasons requires operating in a severe environment. From the launch up to the in-orbit operations, the spacecraft, whether launchers, satellites, or manned modulus, must face harsh external conditions and must survive extreme mechanical loads. The effective implementation of space activities requires having a fundamental understanding of the context in which the systems must operate and the capability to recognise the pros and cons of the technologies that can be adopted. This course offers a first introduction to the space environment, an overview of the main spacecraft architectures and an analysis of the typical mission profiles. The student will understand the complex environment in which typical spacecraft operates, starting from the trans-atmospheric flight up to the operation in a microgravity context. The effects of the thermal loads, space radiation and low-pressure atmosphere will be discussed. A wide introduction of the common architecture of spacecraft will be given to establishing the common taxonomy used in space operations. The anatomy of typical launcher systems, the common layup of satellite, space modulus and stratospheric platforms is introduced. A special focus will be offered on expendable and semi-reusable launch vehicle structures design and engineering requirements. Emphasis will be given to the study of launch loadings, materials and structural design requirements, manufacturing, propulsion system and launch vehicle capabilities. The course will introduce the main aspect of a space mission, the available orbits, and the impact of the mission profile on the technical requirements and costs. The student will acquire fundamentals on space vehicle design; she/he will be able to make decisions on which launch vehicle to use or to identify the characteristics of spacecraft necessary to choose a launch vehicle for either up-stream or down-stream space missions.
The students will acquire specific technical and operational skills relevant for a critical analysis of spacecraft architectures, space operations and modern launch systems. They will acquire knowledge and competencies on: • Space environment. • Anatomy of modern spacecraft. Introduction to typical launch system and architectures: single/multi-stage, reusable, satellite, manned modules. • Stratospheric platforms. • Operational environment and impact on the technical solutions. • Basic notions on the typical mission profiles including atmospheric and trans-atmospheric flight. Knowledge of the main orbits: Low/ Medium Earth Orbit and Geostationary Earth Orbit. • Performances of the main launch systems: mass estimation, payload, orbits. • Cost and risk analysis of the actual launch systems. Trends and innovations of launch systems and expected impact on space access. • Capability to analyse the performances of a launch system and select the most appropriate for a given mission.
The students will acquire specific technical and operational skills relevant for a critical analysis of spacecraft architectures, space operations and modern launch systems. They will acquire knowledge and competencies on: • Space environment. • Anatomy of modern spacecraft. Introduction to typical launch system and architectures: single/multi-stage, reusable, satellite, manned modules. • Stratospheric platforms. • Operational environment and impact on the technical solutions. • Basic notions on the typical mission profiles including atmospheric and trans-atmospheric flight. Knowledge of the main orbits: Low/ Medium Earth Orbit and Geostationary Earth Orbit. • Performances of the main launch systems: mass estimation, payload, orbits. • Cost and risk analysis of the actual launch systems. Trends and innovations of launch systems and expected impact on space access. • Capability to analyse the performances of a launch system and select the most appropriate for a given mission.
With respect to the M.Sc. curriculum in Engineering and Management: • The topics covered will require a basic knowledge of the mathematical and physical disciplines acquired during the Bc.S. With respect to M.Sc curriculum in Aerospace Engineering: • The course does not require any specific knowledge on aerospace subjects.
With respect to the M.Sc. curriculum in Engineering and Management: • The topics covered will require a basic knowledge of the mathematical and physical disciplines acquired during the Bc.S. With respect to M.Sc curriculum in Aerospace Engineering: • The course does not require any specific knowledge on aerospace subjects.
The module will cover the following topics: • Space environment and sustainability. • Operations analysis and access to space. • Anatomy of typical spacecraft: launchers, satellite, space modulus, stratospheric platforms. • Key-technologies: materials and processes. • Introduction to propulsion systems: chemical, electrical, nuclear. • Advanced propulsion technology: starship, differential sail, gravitational shielding, etc. • Cost and risk analysis for access to space. • Infrastructures, orbital aggregation, and spaceports.
The module will cover the following topics: • Space environment and sustainability. • Operations analysis and access to space. • Anatomy of typical spacecraft: launchers, satellite, space modulus, stratospheric platforms. • Key-technologies: materials and processes. • Introduction to propulsion systems: chemical, electrical, nuclear. • Advanced propulsion technology: starship, differential sail, gravitational shielding, etc. • Cost and risk analysis for access to space. • Infrastructures, orbital aggregation, and spaceports.
The program is structured around 5 modules: Space Environment (10h) Description of the space environment. Launch, trans-atmospheric flight, micro-gravity, thermal loads, radiations, extreme low-pressure atmosphere. Anatomy of a spacecraft (10h) Introduction and historical evolution of the main spacecraft. Introduction of specific nomenclature. Description and critical comparisons of the existing architecture. Space structures, materials and loads (20h) Introduction of the main components of the space structures. Review of the typical material used in space applications, performances, and manufacturing process. Evaluation of the operational loads and launch loads. Payload/launcher interaction. Propulsion systems (20h) Introduction of the main propulsion systems adopted by the launch vehicles and manoeuvring subsystems. Evaluation of the performances of the propulsion system and impact on the mission profile. Mission profiles and operations (20h) Mission profiles. Description of the main orbits: LEO, MEO and GEO. Satellites and stratospheric platforms operations for downstream applications.
The program is structured around 5 modules: Space Environment (10h) - Description of the space environment. Launch, trans-atmospheric flight, micro-gravity, thermal loads, radiations, extreme low-pressure atmosphere. Anatomy of a spacecraft (10h) - Introduction and historical evolution of the main spacecraft. Introduction of specific nomenclature. Description and critical comparisons of the existing architecture. Space structures, materials and loads (20h) - Introduction of the main components of the space structures. Review of the typical material used in space applications, performances, and manufacturing process. Evaluation of the operational loads and launch loads. Payload/launcher interaction. Propulsion systems (20h) - Introduction of the main propulsion systems adopted by the launch vehicles and manoeuvring subsystems. Evaluation of the performances of the propulsion system and impact on the mission profile. Mission profiles and operations (20h) - Mission profiles. Description of the main orbits: LEO, MEO and GEO. Satellites and stratospheric platforms operations for downstream applications.
Reports and scientific articles on space access provided by the instructors are sufficient. Further reading material: • Rocket Propulsion Elements, George P. Sutton, Oscar Biblarz, Wiley. • Spacecraft Structures and Mechanisms, T.P. Sarafin, Space Technology Library. • Spacecraft Structures, J. Jaap Wijker, Springer.
Reports and scientific articles on space access provided by the instructors are sufficient. Further reading material: • Rocket Propulsion Elements, George P. Sutton, Oscar Biblarz, Wiley. • Spacecraft Structures and Mechanisms, T.P. Sarafin, Space Technology Library. • The Space Environment and its Effects on Space Systems, V.L. Pisacane, AIAA Education Series.
Modalità di esame: Prova orale obbligatoria; Elaborato progettuale in gruppo;
Exam: Compulsory oral exam; Group project;
... The exam consists of an oral test of about 30-45 minutes during which 3-4 questions will be discussed, at least one being about a group project. The assessment criteria will be aimed at verifying the fulfilment of the following objectives (in accordance with the aforementioned Expected Learning Outcomes): 1. awareness of the space environment and access to space and ability to apply the methodologies and appropriate tools for designing a space architecture and mission from launch to operations; 2. ability to transfer the acquired knowledge to problems of engineering relevance.
Gli studenti e le studentesse con disabilità o con Disturbi Specifici di Apprendimento (DSA), oltre alla segnalazione tramite procedura informatizzata, sono invitati a comunicare anche direttamente al/la docente titolare dell'insegnamento, con un preavviso non inferiore ad una settimana dall'avvio della sessione d'esame, gli strumenti compensativi concordati con l'Unità Special Needs, al fine di permettere al/la docente la declinazione più idonea in riferimento alla specifica tipologia di esame.
Exam: Compulsory oral exam; Group project;
The exam consists of an oral test of about 30-45 minutes during which 3-4 questions will be discussed, at least one being about a group project. The assessment criteria will be aimed at verifying the fulfilment of the following objectives (in accordance with the aforementioned Expected Learning Outcomes): 1. awareness of the space environment and access to space and ability to apply the methodologies and appropriate tools for designing a space architecture and mission from launch to operations; 2. ability to transfer the acquired knowledge to problems of engineering relevance.
In addition to the message sent by the online system, students with disabilities or Specific Learning Disorders (SLD) are invited to directly inform the professor in charge of the course about the special arrangements for the exam that have been agreed with the Special Needs Unit. The professor has to be informed at least one week before the beginning of the examination session in order to provide students with the most suitable arrangements for each specific type of exam.
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