M ELiSSA Technical Note Memorandum of Understanding 19071/05/NL/CP MELISSA FOOD CHARACTERIZATION: PHASE 1 TECHNICAL NOTE: 1.1 ELABORATION OF SYSTEM REQUIREMENTS FOR A FPPS prepared by/préparé par Martin Weihreter reference/réference Contract number 22070/08/NL/JC issue/édition 2 revision/révision 0 date of issue/date d’édition 01.10.2010 status/état Draft Document type/type de document Technical Note Distribution/distribution ESA/ESTEC; FC1 consortium CONFIDENTIAL DOCUMENT MELiSSA Technical Note issue 2 revision 0 0 page ii of viii APPROVAL Title Elaboration of system requirements for a FPPS issue 2 revision 0 titre issue revision author Laury Chaerle date 14.05.2009 auteur Martin Weihreter date 20.10.2009 UGent Reviewed by J.Brunet (Sherpa) - D. VanDerStraeten (UGent) date 11.12.2009 approved by Dominique Van Der Straeten (UGent) date 01.10.2010 (UGent) approuvé by CHANGE LOG reason for change /raison du changement issue/issue revision/revision date/date First submission to ESA 1 18.12.2009 Second submission to ESA 2 01.10.2010 CHANGE RECORD Issue: 2 Revision: 0 reason for change/raison du changement page(s)/page(s) paragraph(s)/paragraph(s) MELiSSA Technical Note issue 2 revision 0 0 page iii of viii T ABLE OF C ONTENTS APPROVAL .............................................................................................................................. ii T ABLE OF C ONTENTS ............................................................................... iii Table of Figures ................................................................................................................. vii List of Tables ...................................................................................................................... vii List of Abbreviations ......................................................................................................... vii Keywords ............................................................................................................................ vii Reference documents ....................................................................................................... viii 1 Introduction ...................................................................................................................... 1 1.1 Naming rules ............................................................................................................ 2 2 FPPS system description .................................................................................................. 3 2.1 External view ........................................................................................................... 3 2.1.1 Overall objective (black box view) ....................................................................... 3 2.1.2 Contextual view ..................................................................................................... 3 2.2 Internal view ............................................................................................................ 4 2.3 Preliminary crop selection ...................................................................................... 5 3 Functional requirements .................................................................................................. 7 3.1 Produce crops .......................................................................................................... 7 3.2 Process crops ............................................................................................................ 7 3.3 Prepare food ............................................................................................................. 8 3.4 Store seeds and food ................................................................................................ 8 3.5 Elaborate menus ...................................................................................................... 8 3.6 Food management ................................................................................................... 9 3.7 Recycle atmosphere ................................................................................................. 9 3.8 Purify water ........................................................................................................... 10 3.9 Cleaning in place ................................................................................................... 10 3.10 Quality control ....................................................................................................... 10 4 Performance requirements ............................................................................................. 12 4.1 Food quantity ......................................................................................................... 12 4.2 Temporal food availability ................................................................................... 12 4.3 Food quality ........................................................................................................... 13 MELiSSA Technical Note issue 2 revision 0 0 page iv of viii 5 Physical requirements .................................................................................................... 14 5.1 ALISSE criteria ..................................................................................................... 14 5.1.1 Mass .................................................................................................................... 14 5.1.2 Volume ................................................................................................................ 14 5.1.3 Energy ................................................................................................................. 14 5.1.4 Efficiency ............................................................................................................ 14 5.2 Containment of emissions ..................................................................................... 15 5.2.1 Vapor, VOC, dust, particulate matter .................................................................. 15 5.2.2 Heat/energy dissipation ....................................................................................... 15 5.2.3 Radiation ............................................................................................................. 15 5.2.4 Sound ................................................................................................................... 15 5.3 Limitation of electromagnetic interference ......................................................... 15 6 Environmental requirements ......................................................................................... 16 6.1 Surface transit ....................................................................................................... 16 6.1.1 Acceleration ........................................................................................................ 16 6.1.2 Vibrations ............................................................................................................ 16 6.1.3 Radiation ............................................................................................................. 17 6.2 Food production environment on extraterrestrial surface ................................ 17 6.2.1 Surface environmental parameters under confined conditions ........................... 17 6.2.1.1 Gravity ......................................................................................................... 17 6.2.1.2 Radiation ..................................................................................................... 17 6.2.1.3 Micrometeorites .......................................................................................... 18 6.2.1.4 Pressure, Temperature and atmosphere composition .................................. 18 6.2.2 Surface environmental parameters under partly confined conditions ................. 18 6.2.2.1 Temperature ................................................................................................ 19 6.2.2.2 Pressure ....................................................................................................... 19 6.2.2.3 Vibration ...................................................................................................... 19 6.3 Planet protection ................................................................................................... 19 7 Operational requirements .............................................................................................. 20 7.1 Operational mission description .......................................................................... 20 7.1.1 Mission phases .................................................................................................... 20 7.1.2 Mission duration .................................................................................................. 20 7.1.3 Crew size ............................................................................................................. 21 7.2 Required resources ................................................................................................ 21 7.2.1 External resources needed by the FPPS .............................................................. 21 7.2.2 Internal FPPS resources ...................................................................................... 21 7.3 Automation degree ................................................................................................ 22 7.4 Operational modes ...............................................................................................