Effect of same Insulation Materials on Energy-Saving Potential of Different Buildings

2012 ◽  
Vol 164 ◽  
pp. 93-96 ◽  
Author(s):  
Chang Guo ◽  
Jian Yao
Keyword(s):  
Total Energy ◽  
Energy Saving ◽  
Energy Simulation ◽  
Simulation Program ◽  
Saving Rate ◽  
Shape Coefficient ◽  
Insulation Materials ◽  
Energy Saving Potential ◽  
Building Shape

This paper analyzed the effect of same insulation materials on energy-saving potential of three different buildings by using the energy simulation program DOE-2. The results show that the heating energy saving rate of the building decreases when the building shape coefficient increases, while cooling energy saving rate of the building rises and the total energy saving rate of the buildings will reduce.

scholarly journals A Study on Energy-Saving Technologies Optimization towards Nearly Zero Energy Educational Buildings in Four Major Climatic Regions of China

Energies ◽  
2019 ◽  
Vol 12 (24) ◽  
pp. 4734 ◽  
Author(s):  
Jing Zhao ◽  
Yahui Du
Keyword(s):  
Energy Efficiency ◽  
Total Energy ◽  
Energy Saving ◽  
High Energy ◽  
National Standards ◽  
Saving Rate ◽  
Zero Energy ◽  
Cold Regions ◽  
Climatic Regions ◽  
Educational Buildings

An educational building is a kind of public building with a high density of occupants and high energy consumption. Energy-saving technology utilization is an effective measure to achieve high-performance buildings. However, numerous studies are greatly limited to practical application due to their strong regional pertinence and technical simplicity. This paper aims to further optimize various commonly used technologies on the basis of the current national standards, and to individually establish four recommended technology selection systems corresponding to four major climatic regions for realizing nearly zero energy educational buildings (nZEEBs) in China. An educational building was selected as the case study. An evaluation index of energy-saving contribution rate (ECR) was proposed for measuring the energy efficiency of each technology. Thereafter, high energy efficiency technologies were selected and implemented together in the four basic cases representing different climatic regions. The results showed that the total energy-saving rate in severe cold regions increased by 70.74% compared with current national standards, and about 60% of the total energy-saving rate can be improved in cold regions. However, to realize nZEEBs in hot summer and cold winter regions as well as in hot summer and warm winter regions, photovoltaic (PV) technology needs to be further supplemented.

Energy Saving Potential of Dynamic Lighting Control in Street Lighting Systems in Libya

2021 ◽  
Vol 7 (1) ◽  
Author(s):  
Salah M Alabani
Keyword(s):  
Total Energy ◽  
Energy Saving ◽  
Light Emitting Diode ◽  
Street Lighting ◽  
Light Emitting ◽  
Energy Saving Potential ◽  
Road Section ◽  
First Case ◽  
Lighting Systems ◽  
Dynamic Lighting

This paper studies the manner of energy consumption in Libyan street lighting systems and general road section. It also suggests proposal system with two cases of operation for an attempt to apply the energy saving program by adopting an optimum method in order to decrease the demand of energy in this section and to reduce the use of uneconomic equipment.The proposal system in this paper introduces the Light Emitting Diode (LED) street lighting technology to be used instead of traditional luminaries High Pressure Sodium (HPS). The proposed system is divided into two cases. The first case discusses the replacement of traditional luminaries (HPS) with energy saving luminaries (LED), while second case explains how integrating control node (dynamic dimmer) into LED in order to dim output lighting in streets will save more energy.This study reaches a result that a significant amount of energy of %47 (about 1092.23 GWh/year) of total energy consumed in street lighting sector could be saved if first case is applied. Moreover, it suggests that more energy of %58 (about 1380.02 GWh/year) of total energy consumed in the same sector cloud be saved if the second case is adopted.

Construction and Application of Energy Efficiency Index System in Cigarette Enterprises

2015 ◽  
Vol 1092-1093 ◽  
pp. 1607-1611
Author(s):  
Zhen Wei Tian ◽  
Jian Jun Wang ◽  
Shan Qing
Keyword(s):  
Energy Efficiency ◽  
Energy Saving ◽  
Index System ◽  
Emission Reduction ◽  
Efficiency Index ◽  
Energy Utilization ◽  
Process Equipment ◽  
Saving Rate ◽  
Energy Saving Potential ◽  
The Index System

In order to guide and standardize energy efficiency benchmarking in cigarette enterprises, promote energy-saving emission reduction work, this paper researches on how to structure the energy efficiency index system reasonably and scientifically. The index system is established from the enterprise, process, equipment aspect, which includes all links, such as conversion, purchase storage, delivery distribution, terminal energy consumption. The energy efficiency benchmarking can be implemented according to the energy efficiency index system, and the energy saving potential can be found out by discovering the problem of energy utilization in each link and each energy level. The application practice shows that the energy-saving rate can reach over 18%, and continue to promote energy-saving emission reduction of cigarette enterprises through carrying out the energy-saving reform on the basis of reasonable application of the energy efficiency index system.

Research on Environmental-Friendly Buildings with Low-Cost and Energy-Saving Technology in Cold Districts

2014 ◽  
Vol 953-954 ◽  
pp. 1500-1504
Author(s):  
Xin Wu ◽  
Yang Yan ◽  
Liu Yang ◽  
Jian Ping Shi
Keyword(s):  
Energy Saving ◽  
Renewable Resources ◽  
Low Cost ◽  
Insulation Layer ◽  
Shape Coefficient ◽  
Building Shape ◽  
Environmental Friendly ◽  
Energy Saving Technology

The research focuses on the construct techniques applied in cold areas, pointing out that the design should pay attention to the apply of energy-saving and low-cost technology, based on proposal which the build-in-cold-district technology has been. In this paper, the analysis is given mainly from the perspectives of building shape coefficient control, roof insulation layer, renewable resources, etc.

Analysis on the Effect of Shape Coefficient to Energy Saving in Residential Buildings

2012 ◽  
Vol 450-451 ◽  
pp. 1425-1428
Author(s):  
Xiao Ping Feng ◽  
Hui Lin ◽  
Yue Wang ◽  
Hu Cheng
Keyword(s):  
Energy Consumption ◽  
Energy Saving ◽  
Residential Buildings ◽  
Residential Building ◽  
Building Energy ◽  
Shape Coefficient ◽  
Building Shape ◽  
Building Plane ◽  
The Impact ◽  
The Relationship

Building shape coefficient is an important factor in building energy saving design. In order to analyze the influence of shape coefficient to the energy consumption, a typical residential building is simulated by BECS software to analyze the changing regular patterns of the energy consumption for heating and air conditioning while the building shape coefficient is made different. The relationship between building height and shape coefficient, and the impact of the building plane layout on the energy consumption are also analyzed. The results show that the reduction of shape coefficient is benefit to enhance the effect of energy saving.

scholarly journals Energy Benefit of Liquid Desiccant-Assisted Humidification in Buildings during Winter Operation

Energies ◽  
2021 ◽  
Vol 14 (5) ◽  
pp. 1360
Author(s):  
Soo-Jin Lee ◽  
Hansol Lim ◽  
Jae-Weon Jeong
Keyword(s):  
Energy Saving ◽  
Conventional Method ◽  
Laboratory Tests ◽  
Primary Energy ◽  
Energy Simulation ◽  
Outdoor Air ◽  
Liquid Desiccant ◽  
Energy Saving Potential ◽  
Direct Evaporative Cooling ◽  
Winter Operation

The objective of this study was to modify an existing liquid desiccant and indirect/direct evaporative cooling-assisted 100% outdoor air system (LD-IDECOAS) for humidification operation in winter. The energy benefit of the liquid desiccant-assisted humidification approach during the operation of LD-IDECOAS over the conventional method with a steam humidifier was evaluated through a detailed energy simulation. The humidification and enthalpy effectiveness values of the liquid desiccant humidification measured from laboratory tests were 0.41 and 0.49, respectively, which were applied to the energy simulation for the modified system. Both systems with the proposed and conventional humidification approaches were simulated using an engineering equation solver combined with a TRNSYS 18 energy simulation program. The results demonstrated that the modified LD-IDECOAS consumes less energy for humidification compared to the existing system with a steam humidifier. The proposed system also exhibited considerable heating energy-saving potential. Consequently, modified LD-IDECOAS consumed 42% less primary energy during winter operation after being modified for liquid desiccant-assisted humidification.

Energy Saving Designs: Planning and Building

2018 ◽  
Vol 43 (1) ◽  
pp. 78-82
Author(s):  
Shiwei Su ◽  
Dandan Wang
Keyword(s):  
Energy Saving ◽  
Green Building ◽  
Research Direction ◽  
Building Energy ◽  
Green Energy ◽  
Shape Coefficient ◽  
Building Shape ◽  
Planning And Design ◽  
The Status ◽  
Strategy Design

The development of modern building planning has become inseparable from the concept of green energy saving, which has gradually become an important method for energy-saving design of building planning and has become the research direction of planners. Based on this, the status quo of research on green building at home and abroad was investigated and the principle of energy saving for green building planning was put forward; then the building shape coefficient, eco-strategy design of green building energy, building energy-saving layout and other aspects were analyzed in detail; finally, the Amsterdam large CBD complex Valley green building was analyzed. The results show that the building has fully considered the energy-saving design in the process of planning and design, which not only ensures the commercial demand, but also reflects the residential use and finally achieves the goal of green energy saving.

Sign in / Sign up

Export Citation Format

Share Document