scholarly journals A Comparison of the Environmental Performance of Cooling and Heating among Different Household Types in China’s Hot Summer–Cold Winter Zone

2019 ◽  
Vol 11 (20) ◽  
pp. 5724
Author(s):  
Shu Su ◽  
Xiaodong Li ◽  
Borong Lin ◽  
Hongyang Li ◽  
Jingfeng Yuan
Keyword(s):  
Environmental Performance ◽  
Questionnaire Survey ◽  
Residential Buildings ◽  
Driving Factors ◽  
Cold Winter ◽  
Age Composition ◽  
Heating Systems ◽  
Assessment Results

Cooling and heating consume a large amount of energy during the operation of residential buildings in the hot summer–cold winter zone. It causes serious ecological damage and negatively affects natural resources. Occupant usage behaviors of cooling and heating systems are driven by various factors, and correlations between the driving factors and corresponding environmental impacts (EIs) are not well quantified. This study focuses on two occupant-related driving factors: household size and age composition, and combines a questionnaire survey, an energy simulation, and an EIs assessment into an integrated model. A case study is conducted in Jiangsu, China, to demonstrate the model. Nearly 1800 samples are collected from a large sample questionnaire survey and then classified into nine household types according to their household sizes and age compositions. The EIs due to cooling and heating of different household types in a typical year are then assessed and compared. The assessment results show that different household types have various environmental performance. Households with larger size, elderly people, and children have higher EIs. This newly established model is applicable and builds a bridge between driving factors and the environmental performance of cooling and heating. These assessment results will help better understand the role of household type.

Investigation and Analysis of Winter Energy Utilization of Residential Buildings in Hangzhou

2013 ◽  
Vol 409-410 ◽  
pp. 531-536
Author(s):  
Li Zhu ◽  
Xiao Qian Qian ◽  
Kuang Liang Qian
Keyword(s):  
Survey Data ◽  
Questionnaire Survey ◽  
Air Conditioning ◽  
Residential Buildings ◽  
Residential Building ◽  
Measured Data ◽  
Energy Utilization ◽  
Cold Winter ◽  
Dwelling House ◽  
Field Measure

A series of questionnaire survey on condition of winter heating of residential building and field measure of typical cases were launched in Hangzhou. The characteristics of winter energy utilization in Hangzhou were found out through analyzed the survey data. In addition to air conditioning ,other heating devices are also important in Hangzhou which is a typical city in hot summer and cold winter zone. Moreover, as high as 98% dwelling houses have air-conditions, but in the winter, the number of dwelling house did not open air-conditioning account for about 1/3~1/2. Combined with the analysis of the measured data of typical cases can concluded that winter air conditioning use rate and time length per day are not high. It also shows that, in the hot summer and cold winter area, air conditioning is more important for summer cooling.

Cost and environmental performance of forced air and hot water heating systems in post-Soviet countries

2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Begmyrat Kulmedov ◽  
Serdar Durdyev
Keyword(s):  
Natural Gas ◽  
Environmental Performance ◽  
Residential Buildings ◽  
Electricity Consumption ◽  
Cost Effective ◽  
Hot Water ◽  
Design Stage ◽  
High Price ◽  
Content Type ◽  
Heating Systems

PurposeThe aim of the present study is to assess the selected heating systems (furnace and boiler) commonly used in the dwellings of seven post-USSR (the Union of Soviet Socialist Republics) countries. The systems were assessed in terms of their cost and environmental performance, with natural gas and electricity used as the main source of energy.Design/methodology/approachThe cost-effectiveness and environmental performance of the selected heating systems that have been commonly used in the selected post-USSR countries was assessed. Current energy (natural gas and electricity) prices that are applied in those countries were used.FindingsResults show that the furnace is the cheapest option, while natural gas is the cheapest source of energy, despite its high price in Tajikistan and Kyrgyzstan. Both heating systems could be considered eco-friendly options, although their efficiencies need to be considered at the design stage. Turkmenistan, Uzbekistan and Kazakhstan, which are the top natural gas producers, offer natural gas for the selected heating systems as both cost-effective and eco-friendly options.Practical implicationsA considerable reduction in electricity consumption and less harm to our environment can be achieved through the systems used in residential buildings in the region.Originality/valueThe outcomes of the present study offer value (in terms of cost-effective and eco-friendly options) for the end-users in the region.

ANALYSES ON OCCUPANT PATTERNS AND ENERGY CONSUMPTION IN RESIDENTIAL BUILDINGS INCLUDING THE COVID-19 PANDEMIC

2021 ◽  
Author(s):  
B. Manav ◽  
E. Kaymaz
Keyword(s):  
Energy Demand ◽  
Residential Buildings ◽  
Well Being ◽  
Lighting Design ◽  
Occupancy Patterns ◽  
Lighting Energy ◽  
And Performance ◽  
Mental Well Being

In the last years, as a result of environmental concerns, changes in lifestyle during the COVID-19 crisis, the role of healthy buildings in addition to the main lighting design principles are highlighted. Therefore, today’s lighting design issues include social well-being, mental well-being, and physical well-being more than we discussed in the last century. Hence, we are familiar with occupant-centric and performance-based metrics for residential and non-domestic buildings. The study analyses the extended occupancy patterns, daylight availability, and annual lighting energy demand through a case study in Bursa, Turkey including the COVID-19 pandemic scenario.

The role of the design and operation of individual heating systems for the energy retrofits of residential buildings

2016 ◽  
Vol 126 ◽  
pp. 736-747 ◽  
Author(s):  
J. Terés-Zubiaga ◽  
A. Campos-Celador ◽  
I. González-Pino ◽  
G. Diarce
Keyword(s):  
Residential Buildings ◽  
Heating Systems

scholarly journals Ethical and psychological factors in 5S and total productive maintenance

2017 ◽  
Vol 10 (3) ◽  
pp. 444 ◽  
Author(s):  
Jamal Ahmed Hama Kareem ◽  
Othman Abdul-Qader Hama Amin
Keyword(s):  
Questionnaire Survey ◽  
Psychological Factors ◽  
Successful Implementation ◽  
Employee Morale ◽  
Structured Interviews ◽  
Total Productive Maintenance ◽  
Theoretical Contribution ◽  
Industrial Organizations

Purpose: The purpose of this paper is to investigate the role of ethical and psychological factors in the implementation of 5S and TPM at cement plants in Kurdistan Region of Iraq.Design/methodology/approach: The mixed methods represented in a questionnaire survey and semi-structured interviews for data collection in the framework of the case study were chosen. The questionnaire survey already has been tested.Findings: The findings of this paper revealed that ethical factors had a larger role than psychological factors in the implementation. Thus, based on the findings, organisations are recommended to provide financial and moral support to employees to enable a comprehensive implementation of 5S and TPM aimed at obtaining the desired results. Originality/value: The current paper tried to introduce a new theoretical contribution by filling the gap in the literature regarding the important role that can be played by ethical and psychological factors of employees in the successful implementation of contemporary techniques, such as 5S and TPM in industrial organizations. This is contrary to what was done most of previous studies such as Ahuja & Khamba, (2008b) Panneerselvam (2012) Singh et al. (2013) and Poduval & Pramod (2015) in the area of 5S and TPM. Where, these studies have focused on studying the other factors such as (organizational, technological, operational and others) in implementing 5S and TPM. This without realizing the fact that it is also necessary to examine factors such as (ethical and psychological) that would affect the capabilities and employee morale before and during the implementation of those techniques (5S and TPM) that are used to bring out the best productivity.  

scholarly journals Performance of Islamic microcredit in perspective of Maqasid Al-Shariah: case study on Amanah Ikhtiar Malaysia

2019 ◽  
Author(s):  
Jamaliah Said ◽  
Salwana Hassan ◽  
Md. Mahmudul Alam
Keyword(s):  
Questionnaire Survey ◽  
Well Being ◽  
Peninsular Malaysia ◽  
The State ◽  
Primary Data ◽  
Conventional System ◽  
Enhancing Effect ◽  
Assessment Approach

Many studies have evaluated the role of microcredit programs using the conventional assessment approach. However, the conventional system of socioeconomic role assessment cannot evaluate the performance of Islamic microcredit in terms of achieving the objectives of Shariah for the Islamic microcredit model. Therefore, this study examines the role of Islamic microcredit based on the achievement of Maqasid Al-Shariah. It uses primary data that were collected through a questionnaire survey distributed among 393 microcredit borrowers from Amanah Ikhtiar Malaysia (AIM). The survey was conducted from July 2013 to December 2013 in the State of Sabah and in Peninsular Malaysia. This research also analyzes the socioeconomic roles and the achievement of microcredit and microenterprise from the perspective of the five principles of Al-daruriyyat from Maqasid Al-Shariah. Results indicate that the microcredit program of AIM has a positive and enhancing effect on the livelihood of clients. This effect is reflected in the assessment of their well-being, especially in the context of Maqasid Al-Shariah.

scholarly journals Does "Terrorism" make sense?

2020 ◽  
Vol 3 (6) ◽  
pp. 394
Author(s):  
Ziad Fahed ◽  
Ramzi Merhej
Keyword(s):  
Focus Group ◽  
Political Violence ◽  
Conflict Transformation ◽  
Driving Factors ◽  
Focus Group Interviews ◽  
Group Interviews ◽  
Depth Interviews

This paper approaches political (de)radicalization from the conflict transformation lenses (Lederach, 2015) to analyze the data collected in a case study, which was conducted in Lebanon in 2017 and 2018. This study includes seven semi-structured in-depth interviews with seven ex-combatants and one set of focus group interviews with twenty ex-combatants. The analysis of the generated data aims to understand the radicalization and de-radicalization processes and to identify the driving factors of twenty-three ex-combatants. Besides the important role of various common driving factors that scholars, in general, reached a consensus about, the conflict transformation perspectives on (de)-radicalization uncovers two new mechanisms. The first one is the “I did not know – I did not trust” and the second one is “Normality of Violence”. These two mechanisms were fundamental driving factors in the (de)radicalization processes of the participants in this case study. Likewise, the results of this case study supported the opinion suggesting a minimal role of ideology in (de)radicalization processes and political violence.

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