The acoustic characteristics of the Çarşı Mosque in Trabzon, Turkey

Kavraz, Mustafa

doi:10.1177/1420326x14541138

Cited by 9 publications

(7 citation statements)

References 9 publications

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“…In Figure 1, volumes and measured and/or simulated T30 values of historical mosques that are gathered from the literature review during the study are shown with the mean values of T30 values of the cases [21,22,[26][27][28][29][30][31]. It also represents a summarized version of the literature and documentation of historical mosques that are evaluated in terms of acoustics.…”

Section: Methods and Scope Of The Studymentioning

confidence: 99%

An Investigation on the Effects of Architectural Features on Acoustical Environment of Historical Mosques

Sert

Karaman

2021

Acoustics

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In the historical period, different mosques were built in the Anatolian side; the differences in size, typology and style were affected by the climate conditions, cultural and social aspects, availability of materials and the construction techniques of the region they were built in. The ceiling structure, which is the most influencing factor for mosque acoustics, is designed with either curvilinear elements or a flat ceiling for mosques. In the context of our case study, the eight historical mosques in Turkey, with different materials and types of ceiling structures, are investigated in terms of acoustical characteristics in the main prayer hall. Acoustical data are collected by measurements to reveal how the formal differences and material change in ceiling structures affect the acoustic environments of mosques with similar volume. Distribution of acoustical parameters and the suitability of the values obtained through measurements are compared to reflect the effect of architectural features on the acoustical characteristics of the prayer hall.

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Section: Methods and Scope Of The Studymentioning

confidence: 99%

An Investigation on the Effects of Architectural Features on Acoustical Environment of Historical Mosques

Sert

Karaman

2021

Acoustics

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“…The functional and environmental aspects of mosques are performance elements that provide a well-maintained contemporary space of worship (Asfour, 2016). Operational conditions of thermal (Alajmi, 2010;Asfour, 2009;Mushtaha and Helmy, 2016), acoustical (Eldien and Al Qahtani, 2012;Ismail, 2013;Kavraz, 2014;Karaman and Güzel, 2017), and illumination (Hassan and Arab, 2013;Belakeha et al, 2016;El-Darwish and El-Gendy, 2016) performance elements in mosques, must be provided and maintained to serve a satisfactory performance for its users. It is necessary to optimize the worship space design and utilization for efficiency, achieving sustainability principles, within a social and cultural context of service that is required in mosques.…”

Section: Introductionmentioning

confidence: 99%

Post Occupancy Evaluation of the Built Environment: A Case Study of Mosque Facilities

et al. 2021

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Mosques are religious and cultural facilities that are used as a place of worship, social gatherings, and religious events by Islamic communities. The built environment in these facilities should meet certain technical, functional, and behavioral requirements for worshipers. Mosques could endure critical defects and inadequate performance, with gaps in knowledge, of appraisal tools for their overall performance assessment. Therefore, this research was motivated by the need to identify and purpose an exemplary systematic process upon the conduct of post-occupancy evaluation, owing to the fundamental need for satisfactory conditions that need to be met by mosque facilities. Thus, this paper presents an exemplary post-occupancy evaluation of mosque facilities in Saudi Arabia; as a religious built environment. A triangulation approach of data collection and assessment methods were followed and discussed in this research. A case study mosque was selected, following a review of literature. Interviews and walkthrough inspection identified 34 performance elements. Users’ satisfaction survey data were collected and analyzed. Recommendations were proposed towards improving performance of the case study mosque as a religious built environment that demands satisfactory occupancy conditions. The findings indicated that worshipers were strongly satisfied with the conditions of the built environment in the case study facility; including acoustical comfort, spirituality, and aesthetic performance elements. This paper expands the boundaries of knowledge in terms of identification of mosques’ performance elements

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“…The geometrical acoustical methods were widely applied in predicting sound fields in large spaces. [12][13][14][15][16][17] However, when it comes to small rooms, geometrical acoustic prediction methods appear to be flawed due to the inherent negligence of important low frequency wave effects, such as standing waves, diffraction, and interference. While in small rooms, it is known that inherent simplifying assumptions made for geometric acoustic methods limit the applicable frequency range to frequencies higher than the Schroeder frequency.…”

Section: Introductionmentioning

confidence: 99%

A combined sound field prediction method in small classrooms

Yang

Mak

2021

Building Services Engineering Research and Technology

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In this paper, a new combination method for sound field prediction is proposed. An optimization approach based on the genetic algorithm is employed for optimizing the transition frequency of the combined sound field prediction method in classrooms. The selected optimization approach can identify the optimal transition frequency so that the combined sound field prediction can obtain more efficient and accurate prediction results. The proposed combined sound field prediction method consists of a wave-based method and geometric acoustic methods that are separated by the transition frequency. In low frequency domain (below the transition frequency), the sound field is calculated by the finite element method (FEM), while a hybrid geometric acoustic method is employed in the high frequency domain (above the transition frequency). The proposed combined prediction models are validated by comparing them with previous results and experimental measurements. The optimization approach is illustrated by several examples and compared with traditional combination results. Compared to existed sound field prediction simulations in classrooms, the proposed combination methods take the sound field in low frequencies into account. The results demonstrate the effectiveness of the proposed model. Practical applications: This study proposes a combined sound field prediction method separated by transition frequency. A genetic algorithm optimization method is employed for searching the optimal transition frequency. The outcomes of this paper are essential for acoustical designs and acoustical environmental assessments.

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The acoustic characteristics of the Çarşı Mosque in Trabzon, Turkey

Cited by 9 publications

References 9 publications

An Investigation on the Effects of Architectural Features on Acoustical Environment of Historical Mosques

An Investigation on the Effects of Architectural Features on Acoustical Environment of Historical Mosques

Post Occupancy Evaluation of the Built Environment: A Case Study of Mosque Facilities

A combined sound field prediction method in small classrooms

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