Results 91 to 100 of about 65,935 (155)

EVALUATION OF REVERBERATION TIME IN THE CLASSROOM (CASE OF CLASSROOM AT DEPARTMENT OF ARCHITECTURE, UNIVERSITAS SEBELAS MARET)

open access: yesDimensi: Journal of Architecture and Built Environment, 2016
This study took place in three rooms in one building, give and take the external conditions were relatively similar. The study aims to observe the level of acoustic comfort and suggest strategies to improve the acoustic comfort by modifying materials and
ISWATI Tri Yuni
doaj  

PROPOSAL FOR WEIGHTING INDEX FOR ACOUSTIC COMFORT IN BRAZIL

open access: yesMix Sustentável
The relationship between comfort and acoustic performance is a critical issue for advancing research in building design. This study proposes weighting indexes for acoustic comfort in Brazil.
Willian Magalhães de Lourenço   +3 more
doaj   +1 more source

Fuel conservation merits of advanced turboprop transport aircraft [PDF]

open access: yes
The advantages of a propfan powered aircraft for the commercial air transportation system were assessed by the comparison with an equivalent turbofan transport.
Revell, J. D., Tullis, R. H.
core   +1 more source

Silent Neonatal Incubators, Prototype Nica+

open access: yesAcoustics
Objectives: The purpose of this study was to evaluate and compare the noise levels in current incubator models and a prototype designed to improve acoustic comfort in neonatal incubators.
Ricardo Hernández-Molina   +5 more
doaj   +1 more source

Influence of acoustic screens on acoustical comfort of agglomeration inhabitants [PDF]

open access: yesMechanik, 2015
Marianna Kazimierska-Grębosz   +1 more
openaire   +1 more source

Recent Langley helicopter acoustics contributions [PDF]

open access: yes
The helicopter acoustics program at NASA Langley has included technology for elements of noise control ranging from sources of noise to receivers of noise. The scope of Langley contributions for about the last decade is discussed.
Morgan, Homer G.   +2 more
core   +1 more source

Evaluation of acoustical comfort in mosque

open access: yesIOP Conference Series: Materials Science and Engineering, 2017
M S Prawirasasra, S Mubarok
openaire   +1 more source

Interior Noise [PDF]

open access: yes
The generation and control of flight vehicle interior noise is discussed. Emphasis is placed on the mechanisms of transmission through airborne and structure-borne paths and the control of cabin noise by path modification.
Mixson, John S., Wilby, John F.
core   +1 more source

STUDIES AND RESEARCH CONCERNING THE USE OF SOME RECYCLABLE ABSORBENT MATERIALS FOR INCREASING ACOUSTIC COMFORT INTO A ROOM DESIGNED FOR SPEAKING

open access: yesScientific Study & Research: Chemistry & Chemical Engineering, Biotechnology, Food Industry, 2017
The acoustic comfort of a speech hall is characterized by acoustic parameters. These parameters depend by on the hall volume, construction and design materials. On the hall ceiling (the most unused surface), some various acoustic devices can be installed
Florin Marian Nedeff   +2 more
doaj  

Prediction of acoustic comfort and acoustic silence in Goan Catholic churches

open access: yes, 2009
Acoustic Comfort and Acoustic Silence are determinants of tranquility in a worship space. The results presented here are part of a study that investigates the behaviour of acoustically constituted worship parameters in six Catholic churches (Goa, India).
Menino A. S. M. P. Tavares   +3 more
openaire   +1 more source

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