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Article | 28-August-2018

INDOOR ENVIRONMENT QUALITY EVALUATION IN DWELLINGS: A POLISH CASE STUDY

The indoor environment determines the occupants’ comfort and significantly affects the energy consumed for heating and ventilating the building premises. Therefore, the proper complex thermal diagnostics of existing buildings requires a fair assessment of indoor environment conditions. The method for measuring and assessing the quality of the thermal environment and the quality of the indoor air is demonstrated through the example of two single-family houses and one apartment in a multi-family

Jan KACZMARCZYK, Aleksandra LIPCZYŃSKA, Przemysław KATEUSZ

Architecture, Civil Engineering, Environment, Volume 10 , ISSUE 4, 163–171

Article | 01-September-2014

IMPROVED WEIGHTED CENTROID LOCALIZATION ALGORITHM BASED ON RSSI DIFFERENTIAL CORRECTION

Node localization is one of the key technologies of wireless sensor networks (WSN). Due to the indoor environment requires a high positioning accuracy, an improved algorithm based on RSSI is put forward. In terms of RSSI ranging, the error correction coefficient received from self-correcting locator beacon nodes, and then had been applied to distance solving from unknown nodes to the beacon nodes. In the choice of weights, the algorithm uses inverse distance and replaces the method of

En-jie Ding, Xin Qiao, Fei Chang

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 3, 1156–1173

Article | 28-August-2018

COMPREHENSIVE ON SITE THERMAL DIAGNOSTICS OF BUILDINGS - POLISH PRACTICAL EXPERIENCE

University of Technology in Gliwice was a leader of the scientific-industrial consortium implementing the task. The main objectives of Task 4 and achieved relevant results are presented in the paper. A new method for the rapid on-site thermal diagnosis of a building envelope and systems of heating, ventilation, air conditioning and domestic hot water preparation and the diagnosis of indoor environment quality, as well as a method for drawing up energy performance certificates based on the measurements

Zbigniew POPIOLEK, Przemysław KATEUSZ

Architecture, Civil Engineering, Environment, Volume 10 , ISSUE 2, 125–132

Article | 26-August-2018

DAYLIGHTING IN SUSTAINABLE INTERIOR DESIGN OF OFFICES

independent scientific institutions, assuring their accordance with exigencies of rating systems. The paper analyzes the formal methods of proper space planning, which assure high indoor environment quality parameters for the end users of office interiors in terms of optimum daylighyting of workstations and recreational areas as well as workers’ visual contact with natural valuable surroundings. These requirements can be satisfactorily met by properly shaped inner space elements including partitions

Magdalena CELADYN

Architecture, Civil Engineering, Environment, Volume 9 , ISSUE 4, 5–12

Article | 01-December-2016

CALCULATION AND SIMULATION OF ELECTROMAGNETIC WAVE PROPAGATION PATH LOSS BASED ON MATLAB

In order to reliable data transmission of wireless sensor network (WSN) in indoor environment, the indoor field intensity distribution and transmission characteristics of electromagnetic wave were researched. First of all, the 3D model in specific indoor environment was built by the finite difference time domain method (FDTD).Then, layout of room, different furniture, position of field source and field source frequency had an influence on indoor field intensity distribution that were studied

Song Yongxian, Zhang xianjin

International Journal on Smart Sensing and Intelligent Systems, Volume 9 , ISSUE 4, 1943–1970

research-article | 30-November-2019

RELATIONSHIP BETWEEN THE CONCENTRATIONS OF PM2.5 INDOORS OBTAINED BY USING THE OPTICAL AND GRAVIMETRIC METHODS: PRELIMINARY ANALYSIS

meteorological factors on optical properties of aerosol particles does not, therefore, need to be taken into account. However, the optical properties of fine particles indoors also vary depending on the characteristics of the indoor environment because of different possible emission sources, such as small, non-effective stoves, resuspension from carpets and cigarette smoking etc. [21, 22], as well as varying levels of airborne particles penetrating indoor air from outdoors [23]. The aim of this work was to

Jozef S. PASTUSZKA

Architecture, Civil Engineering, Environment, Volume 13 , ISSUE 4, 105–113

research-article | 30-November-2017

THE IMPACT OF BUILDING PARAMETERS AND WAY OF OPERATION ON THE OPERATIVE TEMPERATURE IN ROOMS

1. INTRODUCTION Thermal environment in buildings is one of the most important aspects for occupants’ comfort [1]. Thermal comfort, i.e. satisfaction with the environment depends on the occupants’ thermal sensation. The thermal sensation is a function of four physical variables of indoor environment in the room (air temperature, mean radiant temperature, relative air humidity and air velocity) and two variables related to people (activity level and clothing). Knowledge of these parameters allow

Jan KACZMARCZYK, Joanna FERDYN-GRYGIEREK, Andrzej BARANOWSKI

Architecture, Civil Engineering, Environment, Volume 11 , ISSUE 2, 107–114

Research Article | 08-February-2019

COMPREHENSIVE ENERGY DIAGNOSTICS CARRIED OUT IN A RESIDENTIAL BUILDING – A CASE STUDY

Dorota BARTOSZ

Architecture, Civil Engineering, Environment, Volume 11 , ISSUE 4, 137–150

Research Article | 08-February-2019

RESEARCH ON THERMAL CONDITIONS IN VENTILATED LARGE SPACE BUILDING

Abstract The aim of the paper was to verify whether it is possible to predict thermal indoor environment in an industrial facility, characterized by large cubature and significant heat sources using a computational fluid dynamics (CFD) technique. For this purpose, thermal imaging measurements were carried out to obtain boundary conditions, followed by numerical simulations of the airflow using the Ansys CFX software. Direct results of temperature and velocity distribution of air were analyzed

Agnieszka PALMOWSKA, Gabriel MICZKA

Architecture, Civil Engineering, Environment, Volume 11 , ISSUE 4, 169–178

Research Article | 13-December-2017

AN APPROACH TOWARDS DEVELOPMENT OF PMV BASED THERMAL COMFORT SMART SENSOR

Anuj Kumar, I. P. Singh, S. K. Sud

International Journal on Smart Sensing and Intelligent Systems, Volume 3 , ISSUE 4, 621–642

Research Article | 15-February-2020

Performance Study of Virtual Fence Unit Using Wireless Sensor Network

Doppler effect.  Results show the maximum sensing range of virtual fence unit is decreasing as azimuth angle increasing. With high sensitivity level of virtual fence unit, the maximum sensing range of virtual fence unit is larger than the maximum sensing range of virtual fence unit at normal sensitivity level. Results also show the virtual fence unit has higher maximum sensing range in indoor environment than outdoor environment.

H.T Chan, T.A Rahman, A. Arsad

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 5, 1–4

Article | 01-December-2012

Probabilistic Joint State Estimation of Robot and Non-static Objects for Mobile Manipulation

utilized for efficient joint estimation and laser sensing based smooth observation model is also introduced. The resulting algorithm works in real-time and estimates the position of people and state of doors with sufficient precision. Our approach has been tested in typical indoor environment with people, doors and other non-static objects. Experimental results demonstrate the favorable performance of the position estimation accuracy as well as the capability to deal with the uncertainty of mobile

Kun Qian, Xudong Ma, Xian Zhong Dai, Fang Fang, Bo Zhou

International Journal on Smart Sensing and Intelligent Systems, Volume 5 , ISSUE 4, 1081–1096

Article | 01-December-2015

AN ADAPTIVE VOICE ACTIVITY DETECTION ALGORITHM

Voice Activity Detection (VAD) is a crucial step for speech processing, which detecting accuracy and speed directly affects the effect of subsequent processing. Some voice processing system based phone or in the indoor environment, which need simple and quick method of VAD, for these representative voice signal, this paper proposes a new algorithm which is adaptive and quick based on a major improvement to Dual-Threshold endpoint detection algorithm. First the amplitude normalization is

Zhang Zhigang, Huang Junqin

International Journal on Smart Sensing and Intelligent Systems, Volume 8 , ISSUE 4, 2175–2194

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