Essays about: "ljudfrekvens"

Found 2 essays containing the word ljudfrekvens.

1. 1. Experimental optimization and analysis of drying in ifrasound dryer

   University essay from KTH/Maskinkonstruktion (Inst.)

   Author : Shreeja-Sivaranjani Natarajan; [2022]
   Keywords : Infasound technology; Wheat drying and storage; Drying method; Simulation of drying; Infasound-teknik; Torkning och lagring av vete; Torkningsmetod; Simulering av torkning;

   Abstract : In the agricultural industries drying plays a major role as its very important for grain storage. The selection of the dryer and the method used for drying should be chosen wisely considering the product to be dried with its other factors. READ MORE

3. 2. Analysis of noise levels, audio frequency and fuel consumption with propellers of type McCauley and MT on BAe Jetstream 32

   University essay from Akademin för innovation, design och teknik

   Author : Magnus Andersson; Peter Eriksson; [2012]
   Keywords : aeronautical; aerospace; engineering; propeller; jetstream; direktflyg; british aerospace; MT; McCauley; frequency; noise levels; noise; fuel consumption; flyg; flygteknik; propeller; McCauley; MT; jetstream; Direktflyg; ljudnivå; frekvens; ljudfrekvens; bränsleförbrukning; BAe; british aerospace;

   Abstract : This report describes a thesis project conducted at Direktflyg in Borlänge, in early 2012, where the aim was to analyse the difference in noise level, audio frequency and fuel consumption between propellers of the older type McCauley and the newer type MT on the aircraft type BAe Jetstream 32. To perform the analysis, the authors reviewed current procedures regarding noise certification from air safety agencies to be able to identify suitable methods for the noise level and audio frequency measurements. READ MORE