Launchspace Offers Two New Courses on Orbital Mechanics and Liquid Rocket Engine Design
Now Available for Presentation at Your Facility
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Introduction to Orbital Mechanics & Lunar Mission Planning
LOCATION: YOUR FACILITY
DURATION: THREE DAYS
COURSE NO.:2020
COURSE SUMMARY
This professional course covers basic orbital mechanics and includes an introduction to the concepts needed to design a trip from the earth to the moon. The course also includes historical information about the development of classical orbital mechanics, modern astrodynamics and the Apollo lunar missions. Two-body and multi-body orbital dynamics will be discussed, especially as they apply to lunar missions. In addition to classical propulsive maneuvers based on chemical rockets, electrical propulsion will be introduced as well, to include a discussion of optimal steering control laws for continuous-thrust space transfers. Recent examples of electric space propulsion will be provided, including science missions to the moon and asteroids.
COURSE MATERIALS:
Classroom presentation notes, glossary of terms, and useful formulas
WHO SHOULD ATTEND:
This course is designed for spacecraft engineers, program managers, and other professionals who wish to enhance their knowledge of orbital mechanics in order to better understand and appreciate the complexities of satellite motion and space mission design. It is intended to familiarize the attendee with a selection of advanced concepts in astrodynamics.
WHAT YOU WILL LEARN:
Definitions and equations for the classical orbital elements, the two-body problem, the three-body problem and basic gravity perturbations. Historical information about the development of astrodynamics and the Apollo lunar missions. Mission planning concepts for multi-body transfers, including lunar transfers. Concepts for the optimization of electric propulsion for space maneuvers.
COURSE OUTLINE:
1. Introduction and History of Orbital Mechanics
- Definitions and Terminology
- A Brief History of Orbital Mechanics
- The Two-Body Problem and Types of Orbits
- Classical Orbit Parameters
- Classical Equations of Motion
2. Orbit Determination
- Basic Concepts and Definitions
- Types of Observations
- Lagrange Time of Flight Equation
- The Lambert Problem and Solutions
3. Gravity Perturbations
- Basic Concepts and Definitions
- Types of Gravity Perturbations
- Precession and Sun-Synchronous Orbits
- Station-Keeping Requirements and Satellite Lifetimes
4. Multi-Body Orbital Dynamics
- Basic Concepts and Definitions
- The Restricted Three-Body Problem
- Lagrange Stability Points
- Halo Orbits in Rotating Frames
5. Lunar Mission Planning
- Basic Concepts and Definitions
- A Brief History of the Apollo Missions
- Propulsive Maneuver Planning in 3D
- Effects of Lunar Mass Concentrations
6. Continuous Low-Thrust Propulsion
- Basic Concepts and Definitions
- Non-Chemical Propulsion Technologies
- Mathematical Solutions for Steering Control Laws
- Recent Examples of Electric Propulsion Missions
7. Appendix
- Glossary of Terms
- Useful Equations
- References
INSTRUCTOR:
Dr. James D. Thorne (Jim) is a leading expert on astrodynamics at a national security research center. He is a career veteran of the US Air Force during which time he focused on space technology, acquisition and policy. He has conducted analyses of space-related program concepts and also does independent research in the field of orbital mechanics. Jim published a time-explicit power series solution to a classical orbit determination problem, known in the literature as "Thorne's solution of the Lambert problem" and has also published basic research in continuous-thrust trajectory optimization. He holds a BS from Purdue University and MS & PhD degrees from the AF Institute of Technology, all in Astronautical Engineering. Jim is a member of the American Astronautical Society and is a frequent reviewer of technical journal articles in the field of astrodynamics.
See the Launchspace Course Catalog on our website:
Liquid Rocket Engine Design
DURATION: THREE DAYS
LOCATION: YOUR FACILITY
COURSE NO.: 5095
COURSE SUMMARY
This course explores the liquid rocket engine design problem from a system level. The requirements, issues, problems, and criteria that define and shape a new engine system design are covered in detail. The compromises involved in system level design, such as component interactions, are also covered at length. Several existing liquid rocket engine systems are used as case studies to illustrate the various principles involved. This course (or equivalent knowledge and experience) is a prerequisite to the three-day Course Number 5098, Advanced Liquid Rocket Engine Design Workshop, which is most often conducted on a client-site basis.
COURSE MATERIALS:
Each attendee will receive a printed copy of the class notes and an individual Certificate of Completion.
WHO SHOULD ATTEND:
Launch vehicle propulsion system engineers, project engineers, program managers, and other technical professionals who require or desire a well-grounded knowledge of how basic requirements evolve into rocket engine systems design, and how system level requirements influence component designs.
WHAT YOU WILL LEARN:
Classification of various types of liquid rocket engine systems. An overview of types of components employed in the above systems. The reasons for design trade-offs and choices.
COURSE OUTLINE:
- Introduction and Course Overview
- Liquid Rocket Engine Systems
A Short History. A summary of the development efforts from the 1950s through the late 1980s.
- Design of A New Liquid Rocket Engine System
Where do we start? Development of a set of objectives to be satisfied by a new system design. Development of a set of system requirements from the above objectives. Covers selection of propellants, typical engine thermodynamic cycles, and general system packaging and operating considerations
- The Powerplant Cycles We Have to Choose From
Examines rocket engine system cycles including fixed thrust pressure fed, monopropellant as generator, bipropellant gas generator, expander cycle, staged combustion cycle, as well as variations of each
- Propellant Combinations
Commonly used fuels and oxidizers. Some system considerations related to the selection of propellants
- Liquid Propellant Rocket Engine Combustion Systems
Basic considerations of various types of combustion chambers. Nozzles and effects of various design parameters. Ignition systems including pyrotechnic, pyrophoric, and spark. Injection systems and injectors. Orifices, orifice patterns, manifolding, and other considerations.
- Propellant Delivery Systems
Gas pressure feed systems. Turbomachinery in liquid rocket engine systems. Considerations of engine cycles in turbine design. Turbine staging decisions. Pumping hardware in liquid rocket engine systems. Bearings, seals, machine efficiency, and axial thrust considerations.
- Control Issues in Liquid Rocket Engine Systems
Fixed thrust engines and issues regarding calibration and propellant utilization. Variable thrust engines and their issues. Engine start methods, sequencing, and issues. Engine shutdown methods, sequencing, and issues.
INSTRUCTOR: DAVID MOHR
David Mohr has an international reputation as a rocket engine designer and propulsion systems lecturer. He designs and evaluates thermodynamic cycles for air-breathing, nuclear and rocket powerplant systems; and builds rocket engine components. Mr. Mohr has developed an innovative liquid rocket ignition device for reliable high-altitude-ignition. He provides rocket propulsion design, analysis, fabrication and test expertise to many aerospace companies such as Applied Astronautics, Hybridyne Aerospace, Lockheed-Martin and Aerojet. Early in his career, he assisted Rocketdyne in developing the Space Shuttle Main Engine (SSME). One current project is the development of a liquid oxygen turbopump for a new, high-pressure propulsion system. Mr. Mohr fabricates and tests rocket engines and fluid pumping machinery in his own facilities. He has lectured at numerous commercial and government facilities including NASA's Stennis Space Center and Italy's FiatAvio. Mr. Mohr has contributed sections to the Handbook of Turbomachinery and the Handbook of Machinery Dynamics.
See the Launchspace Course Catalog on our website:
community since 1970. Early in his career, Dr. Marshall H. Kaplan realized that space professionals had limited resources in advancing their own space-related knowledge base and on-the-job training options. Over the last few decades this company has created and delivered hundreds of focused courses to thousands of engineers, managers and support personnel in the space community. All training subject matter and supporting materials are designed to increase knowledge and improve productivity associated with space technologies, systems and operations. These topics are not offered in a university setting.
Over the past 20 years, Launchspace has been offering company-specific courses that are tailored to the requirements of any given company to train its own personnel. These courses are presented on-site by experts in the particular subject areas. Such offerings have proven to be very cost-effective and efficient. Every major space organization in North America and Europe has taken advantage of Launchspace's Training programs. This includes government agencies such as NASA, USAF and several other offices of the Department of Defense.Course topics cover almost every aspect of space flight from launch vehicle technologies to orbital mechanics to spacecraft design. Our customized courses are offered at client locations in support of mission requirements and to expand the expertise of professional staff members. In addition, a few high-demand public classes are presented for open registration at selected conference locations. Contact us to discuss a customized training program for your professionals:See our website for a partial listing of possible course offerings www.launchspace.com_______________________________________________________________________________________________LAUNCHSPACE is an educational organization dedicated to training and continuing education for space professionals and to supporting the space community.We offer the largest array of customized client-site courses to government agencies and industry, and a full spectrum of technical and management expertise in support of space programs. Click on www.Launchspace.com to see our extensive catalog of course offerings. Any of these can be customized for your needs, or we can create a new course for you.Through our training programs we have helped thousands of engineers and managers become more productive in their careers. Our courses and programs are unique and customized for our clients. We focus on critical skills in all areas of spaceflight, spacecraft and launch systems.Our instructors are all experts in their fields and present highly interactive classes in-person and at your facilities.Please contact us for more information about our services at info@launchspace.com or +1.202.258.6133._______________________________________________________________________________________________
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