Promote energy saving and emission reduction equipment. Update and purchase welding fume cleaner and VOCs collection equipment. This article is about the requirement for dust emissions in storage places. 1. discharge control and pollution prevention of initial rainwater can be strengthened by constructing initial rainwater storage pools
Energy recovery and the promotion of the use of renewable energies are just as essential as efficient energy consumption in processes. A significant share of the primary energy source by economies is wasted through various conversion processes and their inefficiency .The heat exchanger networks are indispensable for profitable and proper
With the dual‑carbon strategy and residents'' consumption upgrading the cold chain industry faces opportunities as well as challenges, in which the phase change cold storage technology can play an important role in heat preservation, temperature control, refrigeration, and energy conservation, and thus is one of the key solutions to realize the low-carbonization of
In this study, a novel energy-saving and emission-reduction strategy was developed based on facile preparation of thermal insulation coatings doped with modified vacuum ceramic microbeads, which exhibited outstanding cooling performance and provided a significant protective effect on concrete. The conclusions drawn from this work were as
The fossil fuels that satisfy ∼80 % of the global energy demand are not only limited but also emit greenhouse gases (GHG) leading to an increment in average global temperature by 1.2 °C .Hence, scientists are seeking ways to improve energy conservation and explore novel energy sources to achieve global climate goals by 2050 [2, 3].Improving energy
Abstract. Strong synergies exist between cogeneration and renewables for reducing emission of harmful gases in the transition period toward carbon neutrality. Integration of combined heat and power (CHP) with renewables and energy storage along with electrification of buildings is a pathway to create resilient and efficient solutions towards decarbonization.
Loop heat pipe (LHP) encased in phase change material (PCM) incorporated annular to catalytic converter (CC) is proposed to augment the performance of the “thermal
Solar energy is commonly referred as an “alternative energy” to fossil fuel energy sources like coal and oil.The sun releases an enormous amount of heat energy in the form of radiation energy to its surrounding with 1.74 × 10 17 W at the Earth''s upper atmosphere .Energy is attenuated by the atmosphere and clouds while reaching to the Earth''s surface.
To lower the energy consumption of Li-ion power battery packs thermal management, this paper investigates an improved heat pipe/phase change material coupled thermal management in a 55-Ah Li-ion battery pack, in which fans can be utilized to strengthen the air condensing effect of the heat pipe.
As one of main energy-saving and emissions reduction measures in cement industry, waste heat recovery has been widely advocated in recent years, especially heat recovery power generation (HRPG). HRPG technology can capture the waste heat released from the cement manufacturing process and then convert this thermal energy into electricity for use
From Fig. 4, it is clear that from 9 am there was a significant increase in heat transfer rate from the evacuated tube to heat pipe because of the commencement of heat transfer between the heat pipe condenser section and a thermal energy storage medium. During Run 1, the therminol oil attains 100 °C at 11.40 pm, the temperature further
Performance of Energy Saving and Emission Reduction. (00:00–09:00) according to the weather of the day and the heat storage state of the building to provide heat to the controlled building; it turns off the ASHP during the day and evening (09:00–20:00) with suitable weather conditions to make full use of the free natural heat; at night
Enhancing the operation flexibility of power sources has become an effective solution to address renewable energy curtailment. Numerous technologies have been developed and studied to improve flexibility, including carnot batteries , pumped-thermal electricity storage , hybrid energy storage , and compressed air energy storage .These studies have
The carbonisation of energy structures is a principal reason for the high carbon levels of carbon dioxide (CO 2) emissions in the steel industry.The implementation of an energy substitution policy in the Chinese steel industry has important practical significance for this industry in terms of reducing CO 2 emissions. Based on this, this paper divides 20 types of
Effective heating/cooling of underground spaces by embedded pipes are demonstrated. Enhancement methods of TABS are suggested to improve operational
Improving the thermal performances of CnPWs based on optimizing injection temperature is a common solution. Li et al. conducted a comprehensive numerical investigation into the energy-saving performance of CnPWs and using air-source heat pumps as low-temperature heat sources during winter conditions.The study revealed that the injection
Optimum insulation thicknesses, energy savings, reduction of CO 2 emissions, the first investment costs and payback periods of the pipes in the network of all-generation district heating systems
Heat pipe/phase change material coupled thermal management in Li-ion battery packs: Optimization and energy-saving assessment. Author links open overlay panel Ziyu Leng, Yanping Yuan, Xiaoling Cao, Analysis and optimization of a latent thermal energy storage system with embedded heat pipes. Int. J. Heat Mass Transf., 54 (21-22) (2011)
Load shifting with TES-ready heat pump improves smart building operations and indirectly reduces lifecycle GHG emissions from building materials and construction. Deliverables to
The overview results show that heat pipe integrated building envelope can save nearly 20% of building energy consumption and integrated building energy system can improve
Geothermal direct use deployment has huge benefits for the grid in reducing gas emissions and ensuring efficiency in energy utilization. researchers are exploring ways to scale up and
To reduce the energy consumption of data centers and promote smart, sustainable, and low-carbon city development, this study analyzes the energy conservation and emission-reduction technologies and potential decarbonization paths for data centers, compares the energy-saving situation of 20 typical data center cases, and highlights the impact of
Researchers have proved the effect of foam metal in improving the thermal conductivity and temperature uniformity of PCM through heat transfer experiments [21, 22], visualization experiments , theoretical calculations and numerical simulations [25, 26].Sathyamurthy et al. used paraffin as an energy storage medium in recycled soda cans
Results show that the dynamic thermal behaviors of MPR walls can be significantly improved due to that the radial thermal resistance in the filler cavity of MPR walls
The paper presents novel concept for datacenter thermal management using heat-pipe based energy conservation system utilizing cold ambient energy. Two type of system: ice storage and cold water storage has been identified and discussed. Ice storage or two-phase system can provide long term storage and can be used as datacenter emergency support
Thermosyphons are used to collect accumulated heat (solar pool, geothermal water), to dissipate excess heat to the atmosphere and to retain surplus heat in materials of
The largest carbon emission saving was achieved for the case of LPG and it is followed by fuel-oil due to their high carbon emission amount for 1 kWh energy requirement. 53.5 and 51.3 kg-CO 2 /kWh carbon emissions were obtained for a wall having the gypsum thickness of 0.02 m for LPG and fuel-oil, respectively.
of energy saving and emission reduction internally and send green signals externally, which can help accelerate the improvement of their carbon emission reduction performance. On the one hand
Heat pipes and thermosyphons—devices of high effective thermal conductivity based upon an evaporation/condensation cycle—have been studied for many years for
This comparable order of magnitude of energy-saving ratio compared to the state-of-the-art results of Nie et al. which achieves an energy saving of 17.8% during summer is due to the discrepancies in the conditioned room specifications and the adopted cooling load. A similar trend is attained for the system operation under a higher outdoor
Solar energy, coupled with innovative technologies, holds the promise of propelling buildings towards net-zero and carbon neutrality. In this regard, this review explores the integration of solar technologies, heat pumps, and thermal energy storage systems to reduce building energy demand.
To reduce carbon emission and improve the energy efficiency of all fields has been directly related to human sustainable and healthy development (Dai et al., 2020; Liao et al., 2019).As the largest developing country, China''s carbon dioxide emission is as high as 10,523.0 million tonnes, about 30.7% of the world''s total amount (British Petroleum 2022; Zhu et al., 2023).
The corresponding annual CO 2 emission reduction is between 0.02 and 1.90 kg/(m 2 ·year) and between 0.10 and 8.07 kg/(m 2 ·year), respectively. Variable thermophysical properties have highest energy-saving and CO 2 emission reduction potential in the severe cold region. Conversely, in the moderate temperature region, their impact is
As shown in Fig. 1, the simulation model is developed based on a typical data center for data exchanging and storage in Beijing, which lies in 9th floor of a 12-storey building.The building envelope is made of reinforced concrete. The area of the data center is about 40 m 2 and the story height is 2.3 m. There are 14 IT cabinets with total 28 kW rating
Be aware that issues of cost reduction, GHG emissions, air pollution and reliability may sometimes be in conflict for fuel switching projects – for example, coal is a cheaper fuel than gas, but
The combination of efficient heat exchange and the thermal storage capacity of concrete makes embedded pipe systems an attractive choice for thermal energy storage applications [68, 69]. The design and configuration of the embedded pipe system play a critical role in maximising heat transfer efficiency.
The results indicate that using heat pipes and thermosyphons is promising for energy reduction and improving building thermal comfort. However, there is still a gap in studying these technologies for cooling load reduction in tropical climates. A substantial number of studies
In recent years, buildings have accounted for more than 40% of total energy consumption .Greenhouse gas emissions from buildings account for nearly one-third of global emissions , causing a series of ecological problems such as global warming, so countries around the world call for reducing carbon emissions and improving energy efficiency in buildings.
The steel industry is an energy-intensive and CO 2-intensive industry and the greenhouse gas (GHG) emission in the steel industry was more than 2.95 billion tons in 2012, which faces the great challenge of energy saving and CO 2 emission reduction in the context of global warming. The heat recovery from high temperature slags (1450–1650 °C) from the
Several studies have concentrated on enhancing LHTES systems by adding fins into the shell and tube PCM heat exchangers. Ajarostaghi et al. carried out a detailed computational analysis on shell-and-tube PCM storage featuring fins to improve thermal efficiency.They examined the effect of the number and configuration of HTF tubes, in addition to the number and placement
Synergistic enhancement for energy-saving, emission reduction and profit improvement in iron and steel manufacturing system: Strategies for parameter regulation and technologies integration and end-of-pipe management (CCUS technology, etc. , ). and has a payback period of about 5 to 6 years. The seasonal waste heat storage
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