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Έλεγχος αξιοπιστίαις ENVI-met, Μελέτη επιρροής συντελεστή ανακλαστικότητας, Μελέτη προτεινόμενης ανάπλασης για την πλατεία Δικαιοσύνης

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  • ABSTRACT

    During the last years, bioclimatic design emerges as a promising solution for the ever-growing

    demand to improve living conditions in the cities. This trend dominated the urban areas design

    principles and particularly the squares, which form places of transit of thousands of people on a

    daily basis. The regeneration of these areas can be realized using various methods, including the

    placement of appropriate materials, the planting vegetation etc. In recent years computational fluid

    dynamics programs have been utilized, providing an asset for the best possible reform of open

    outdoor spaces. Such programs offer the possibility to simulate microclimate of an area, offering

    important data for the study.

    The purpose of this thesis is to evaluate the reliability and accuracy of Envi-met, a widespread

    program of this kind, by comparing its results with actual measurements. For this reason a study

    was conducted in two squares of central Athens, namely Kotzia square and Dikeosynis square under

    two main axes. Real measurements of temperature and relative humidity for specific days and hours

    took place and were complemented by simulations using Envi-met. It should be noted that the

    measurement results have been visualised in the form of isotherms with special program. Finally, a

    proposal concerning the regeneration of Dikeosynis square was evaluated using Envi-met.

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    Envi-met,

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    , Leonardo

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  • 1 ............................... 31

    1.1 ....... 31

    1.2 .......................................................................................................................... 33

    1.3 .................................................................................................... 34

    1.4 ............................................................................................ 34

    1.5 .......................................................................................................................................... 36

    1.6 ....................................................................................................... 38

    1.7 ......................................................................................................................................... 39

    1.8 ............................................................................................................................................ 39

    1.9 ............................................................................................................................................. 42

    2

    ENVI-MET .................................................................................................... 45

    2.1 Envi-met .................................................................................................... 45

    2.2 Envi-met 3.1 ........................................................... 47

    2.2.1 .......................................................................................................... 47

    2.2.2 .................................................................................................... 49

    2.2.3 ............................................................................................................. 50

    2.2.4 ................................................................................................................ 52

    2.2.5 .............................................................................................................. 55

    2.2.6 ......................................................................................................... 56

    2.2.7 .......................................................................... 60

    2.2.8 .................................................................................... 64

    2.2.9 ...................................................................................... 66

    2.3 Envi-met v4.0 ................................................................................................. 67

  • 3 ........................................................... 73

    3.1 ....................................................................................................................... 73

    3.2 ....................................................................................................................... 73

    3.2.1 ..................................................................................................................... 73

    3.2.2 ............................................................................................................ 78

    4 : &

    ...................................................................................................................... 83

    4.1 ....................................................................................................................... 83

    4.2 .............................................................................................................. 85

    4.2.1 ............................................................... 85

    4.2.2 ...................................................... 89

    4.2.3 ................ 92

    4.3 .............................................................................................................................. 95

    5 ENVI-MET

    .......................................................................................................................................................... 101

    5.1 - ................................................................. 101

    5.2 (input file) ................................................. 102

    5.3 configuration files ..................................................................... 109

    6 -

    ENVI-MET ......................................................................... 111

    6.1 25-05-2012..................................................................................................... 112

    6.1.1 ...................................................................................................................... 112

    6.1.2 ................................................................................................................. 116

    6.2 01-06-2012 ........................................................................................... 120

    6.2.1 ...................................................................................................................... 120

  • 6.2.2 ................................................................................................................. 124

    6.3 Envi-met ............................................................ 129

    6.4 ............................................................. 130

    6.5 .......................................................................... 132

    6.6 :

    ....................................................................................................................................... 138

    6.6.1 ....................................................................................................................... 139

    6.6.2 ................................................................................................................. 140

    6.7

    .............................................................................................................. 144

    6.7.1 ................................................................................................................... 146

    6.7.2 .......................................................................................................... 148

    6.8 .......................................................................................................................... 151

    6.9 .................................................................................................................................. 154

    .................................................................................................................