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F1 APPENDIX F TWO-POINT SOURCE DISTRIBUTION DEVELOPMENT TABLE OF CONTENTS FINAL MATCHING OF TWO-POINT SOURCE MODEL TO AVERAGE HEAVY TRUCK PROFILES ............................................................................................................F2
FINA In this a profile fr the main minimizi best fit fo frequency profile. T of the pr in these f dominate source up Even tho these freq Figure F point sou L MATCH ppendix, the om all mea report (i.e. ng the num r a group o profiles (3 his is a com ofiles are ac requencies, in the 3,1 in the vici ugh this typ uencies. 1: Final ma rces ING OF TW optimum surement sit , other than ber of heigh f frequency ,150 and 4, bination of tually backg tire noise is 50 and 4,00 nity of the e e is low in tching of m O-POINT TRUC matching of es is presen 630 and 2, ts for the u bands and n 000 Hz), th several effe round noise much less o 0 Hz band xhaust stack amplitude, easured 31 F2 SOURCE K PROFIL the two-po ted for the 000 Hz). Th pper source ot just for a e average pr cts. The sou and an abs f a source t s. Finally, s outlet, assu it stands ou 5 Hz profile MODEL T ES int source one-third oc e optimizin . As a resul given freq ofiles indic rce levels e ence of any han it is bel ome indivi med to be t relative to to a groun O AVERA model to th tave bands g process t t, the best f uency show ate some no verywhere a identifiable ow 3,150 H dual trucks jetting noise the lack of d level and GE HEAV e average h not discuss ook into acc it is actuall n. For the h ise higher i re low; so, source. Fu z; so, it doe indicate a from the o other sourc 3.3ft (1m) Y eavy ed in ount y the igher n the most rther, s not noise utlet. es in high
Figure F point sou Figure F point sou 2: Final ma rces 3: Final ma rces tching of m tching of m easured 40 easured 50 F3 0 Hz profile 0 Hz profile to a groun to a groun d level and d level and 3.3ft (1m) 3.3ft (1m) high high
 Figure F point sou Figure F point sou 4: Final ma rces 5: Final ma rces tching of m tching of me easured 800 asured 1,00 F4 Hz profile 0 Hz profile to a ground to a groun level and d level and 2.3ft (0.7m) 2.3ft (0.7m) high high
Figure F point sou Figure F point sou 6: Final ma rces 7: Final ma rces tching of me tching of me asured 1,25 asured 1,60 F5 0 Hz profile 0 Hz profile to a groun to a groun d level and d level and 2.3ft (0.7m) 1.6ft (0.5m) high high
Figure F point sou Figure F point sou 8: Final ma rces 9: Final ma rces tching of me tching of m asured 2,50 easured 3,1 F6 0 Hz profile 50 Hz profi to a groun le to a grou d level and nd level and 1.6ft (0.5m) 1ft (0.3m) high high
Figure F point sou 10: Final m rces atching of measured 4,0 F7 00 Hz profile to a ground level and 1ft (0.3m) high
