energy utilization efficiency

Purchasing Energy-Efficient Residential Furnaces

FEMP has calculated that the required ENERGY STAR-qualified residential furnace saves money if priced no more than $1,094 (in 2021 dollars) above the less efficient model. The best available model saves up to $1,329. Table 1 compares three types of product purchases and calculates the lifetime cost savings of purchasing efficient models.

Differences in energy utilization efficiency of digested protein, fat …

Linear regression of RE (in kJ.kg-0.8.d −1) as a function of DE intake DE (in g.kg-0.8.d −1) was applied to estimate the energy utilization efficiency (k gDE) of each diet using the following model: RE i = μ + β x DE + e i where μ is the intercept, β is the energy i in

Energy Efficiency 2019 – Analysis

Energy Efficiency 2019 examines in detail the reasons for this recent deceleration in efficiency progress and also includes a special focus on the ways in which digitalisation is transforming energy efficiency and …

Grey incidence analysis of energy utilization efficiency

Energy problem is universally concerned all over the world. Over the years, as China paid more attention on energy problem seriously, China''s energy consumption per unit GDP has decreased continually, but there is still a big gap between China and the developed countries, especially in the last five years, energy consumption per unit GDP fell slowly. …

A review on analyzing and evaluating the energy utilization efficiency …

Utlu Z, Hepbasli A. Estimating energy utilization efficiency of the Turkish transportation sector by 2020. CD-Proceedings of the first international exergy, energy and environment symposium. 13–17 June, Izmir, Turkey, 2003; p. 533–38.

Energy utilization efficiency evaluation model of refining unit …

The energy utilization efficiency of refinery and petrochemical enterprises is affected by many variable and complex factors, the conventional network work applied to evaluate energy utilization efficiency …

Energy End-uses and Efficiency Indicators Data Explorer – Data Tools

This online tool shows a selection of energy demand and efficiency data part of the IEA Energy End-uses and Efficiency Indicators database (EEI). The EEI database contains energy and emission data by country, end-uses and product, from 2000 onwards. It covers four sectors (residential, services, industry and transport) for IEA …

Measuring the energy production and utilization efficiency of …

Afterward, we develop an efficiency decomposition framework to obtain individual energy production efficiency and energy utilization efficiency. Finally, we apply the approach to empirically analyze the energy production-utilization efficiency of the Chinese thermal power industry at the provincial level from 2015 to 2019.

Sentinel: Breaking the Bottleneck of Energy Utilization Efficiency …

As a result of the limited available energy, radio frequency (RF)-powered devices must be capable of efficiently utilizing scarce energy by planning task execution according to the current harvested energy. However, the energy utilization efficiency is challenging to be improved in RF-powered devices, since sensing the harvested energy …

The impact of green credit policy on energy efficient utilization in …

To examine the heterogeneity of the impact of the green credit policy on the energy efficient utilization among the three ma-jor regions in China, this research conducts the RDD analysis on the eastern, central, and western regions. The results are shown in Table 6. Columns (1)(3) indicate the policy effects. –.

Relationship between Urban Innovation Capability and Energy …

Abstract. Following a dynamic nonlinear perspective, this study explores the relationship between urban innovation capability and energy utilization efficiency by …

Review of Energy Utilization Efficiency: Consumer Behaviour

Energy wastage resulting from consumers'' behaviour and usage could be dealt with by linking energy consumption with the cost of energy to enable consumers to be conscious …

An empirical study on energy utilization efficiency, economic development, and sustainable management …

An empirical study on energy utilization efficiency, economic development, and sustainable management Environ Sci Pollut Res Int . 2020 Apr;27(12):12874-12881. doi: 10.1007/s11356-019-04787-x.

Energy efficiency in China: optimization and comparison between hydropower and thermal power | Energy…

Background The energy generation efficiencies of thermal power and hydropower, which are the two main forces of electric power in China, are important factors affecting the energy conservation, emission reduction, and green development of the country''s whole power industry. Methods Considering regional differences and multiple …

Mass Transfer Behavior and Energy Utilization Efficiency of a …

Mass Transfer Behavior and Energy Utilization Efficiency of a Fixed Bed Suspended in a Stirred Tank Reactor Mohamed S. Soliman, Mohamed S. Soliman Chemical Engineering Department, Faculty of Engineering, Alexandria University, Alexandria, 21544 …

Improving the net energy and energy utilization efficiency of …

In this context, the energy utilization efficiency (EUE) is a useful indicator for analyzing the characteristics of supplementary energy use for agricultural production because it includes information about how much fossil …

The efficiency of energy-utilization in chemical processes

The efficiency of energy utilization obtained here (rl = 16 per cent) is considerably higher than the value of 6 per cent found by Denbigh[1] for the same process. The discrepancy arises mainly because the efficiency as defined by Denbigh [11 compares the work-equivalent of by-product steam to it''s thermodynamically feasible maximum …

Injection energy utilization efficiency and production performance …

Therefore, to improve the energy utilization efficiency after 38 days, we are wondering if a short-period shut-in measure could be taken to sufficiently use the energy injected before shut-in, which is investigated in the …

An Analysis of Energy Utilization Efficiency in China

This chapters aims to analyse China''s energy utilization efficiency and its variable trend, based on a constant price calculating methodology. It also analyses the causes of energy utilization deficiency from various aspects including supply and consumption, industrial structure and industrial energy utilization efficiency, direct and ...

An empirical study on energy utilization efficiency, economic development, and sustainable management …

Based on the premise of sustainable development of the environment, how to achieve the balance of energy utilization, economic development, and sustainable management of the environment is becoming increasingly important in the process of stable economic development. This paper analyzes the concept of environmental Kuznets …

Metro timetable optimization for improving regenerative braking energy utilization efficiency …

Energy transfer and utilization efficiency of regenerative braking with hybrid energy storage system J. Power Sources, 427 ( 2019 ), pp. 174 - 183 View PDF View article View in Scopus Google Scholar

Solar utilization beyond photosynthesis | Nature Reviews Chemistry

The record efficiency of various advanced solar energy utilization technologies could be found in refs. 25,59,85,86,109,123,165,166,167 for solar to power (STP), solar to chemical (STC), solar to ...

Worldwide Trends in Energy Use and Efficiency – Analysis

For IEA countries, energy efficiency gains since 1990 have led to annual energy savings of more than 16 EJ in 2005 and 1.3 Gt of avoided CO2 emissions. However, the recent rate of efficiency improvement has been much lower than in the past. The good news is that a large potential remains for further energy and CO2 savings across all sectors.

Improving the energy utilization efficiency of flow electrode …

For the utilization rate of desorption energy, it could also be seen that the desorption energy utilization rate of MT-SC reaches 43 %, while the traditional SCC mode was only 18 %. For ST-SC operation mode, the flow electrode needed to undergo continuous adsorption through three devices before continuous desorption could occur, …

Efficient energy use

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Modern appliances, such as, freezers, ovens, stoves, dishwashers, clothes washers and dryers, use significantly less energy than older appliances. Current energy-efficient refrigerators, for example, use 40 percent less energy than conventional models did in 2001. Following this, if all households in Europe changed their more than ten-year-old appliances into new ones, 20 billion kW…

Does energy resource misallocation affect energy utilization efficiency…

improvement in energy utilization efficiency, and reduction in energy intensity, energy consumption per unit gross domestic product (GDP), by 13.5% by 2025 [1]. Meanwhile, the National Development and Reform Commission (NDRC) and the th ...

Ways to improve the efficiency of clean energy utilization: Does …

It is particularly important to reduce fossil energy input and guarantee economic energy demand via improving energy utilization efficiency and improving …

Efficiency analysis of China''s energy utilization system based on …

To analyze China''s energy production-utilization efficiency in the thermal power industry, Li et al. constructed a two-stage system consisting of energy production …

Overlap energy utilization reaches maximum efficiency for S-CO2 …

2. Overlap energy utilization principle Fig. 1 a describes cascade utilization of flue gas heat. In flue gas side, the three regimes are marked as 1500 C-T fg,i, T fg,i-T fg,o, and T fg,o-T fg,ex, where ∼1500 C is the flame temperature, T fg,i is the interface temperature between high and moderate temperature regimes, T fg,o is the …