Thermal comfort model analysis and optimization
Temperature and humidity control in underground refuge chamber is an important issue in the case of power failure after a disaster. In this article, an ice storage air conditioner was newly developed for refuge chambers. A series of tests were conducted to investigate the ice storage, cooling, and dehumidification performance of the air
Experimental investigation on thermal performance of
In this article, a full-size 50-person mine refuge chamber (MRC) was newly constructed to test the thermal performance under natural convection and
Cooling performance of encapsulated ice plates used for the
Experimental study on cooling and dehumidification performance of an ice storage air conditioner used in underground refuge chamber. Weishuang Guo Zujing
Discharging performance of a forced-circulation ice thermal storage
Jia et al. [4] studied and developed an ice storage capsule that utilizes natural convection; it was an application of the external melt method in a refuge chamber. The experimental results demonstrated that the capsule is sufficient for eliminating the additional heat generated by four persons inside a refuge chamber.
Experimental Study of Phase Change Material''s Application in Refuge Chamber
DOI: 10.1016/J.PROENG.2012.08.262 Corpus ID: 111170848 Experimental Study of Phase Change Material''s Application in Refuge Chamber of Coal Mine @article{Wu2012ExperimentalSO, title={Experimental Study of Phase Change Material''s Application in
Discharging performance of a forced-circulation ice thermal storage system for a permanent refuge chamber
DOI: 10.1016/J.APPLTHERMALENG.2016.08.192 Corpus ID: 113655971 Discharging performance of a forced-circulation ice thermal storage system for a permanent refuge chamber in an underground mine The single thermal energy storage tank
Thermal performance of a mine refuge chamber with human body
A phase change energy storage mortar (PEM) for use in underground refuge enclosures was prepared by incorporating phase change microcapsules in this study. To improve microcapsules'' heat resistance, thermal compactness, and shell structure strength, paraffin @ MUF/SiO 2 microcapsules were prepared by in situ polymerization
Investigation on temperature control based on cooled mine compressed air for mine refuge chamber
Thermal comfort model analysis and optimization performance evaluation of a multifunctional ice storage air conditioning system in a confined mine refuge chamber Energy, 141 ( 2017 ), pp. 964 - 974, 10.1016/j.energy.2017.09.123
Performance analysis of an improved temperature control scheme with cold stored in surrounding rock for underground refuge chamber
DOI: 10.1016/j.applthermaleng.2023.121589 Corpus ID: 261787558 Performance analysis of an improved temperature control scheme with cold stored in surrounding rock for underground refuge chamber @article{ZhangPerformanceAO, title={Performance analysis of
Coupled cooling method and application of latent heat thermal energy
The simulation results showed that the average temperature of refuge chamber could be well controlled by replacing ice plates at a frequency of 13 h. Wang et al. (Wang, Jin, Han, Li, & Ou, 2017) developed a forced-circulation ice thermal storage system for a permanent refuge chamber, with an accommodation capacity of 50 persons. A one
Hard Rock Mine Refuge Chambers
''safe distances'' between refuge chambers. Helping safeguard miners in 70 countries, across six continents, the MineARC MineSAFE series is the world''s most trusted refuge chamber in metal (hard rock) and non-metal mines. MS-SD3-16-SIV-36
Refrigerating characteristics of ice storage capsule for
In this article, an ice storage cooling mine compressed air device with a volume of 1 m³ was newly developed for high-temperature mine refuge chambers. Both the ice storage performance and the
Cooling performance of encapsulated ice plates used for the
The indoor temperature of the underground refuge chamber will rise once there is no power supplying for the traditional cooling system. To ensure the indoor temperature meets the requirements of the residences of people and equipment normally operating, this paper proposes a non-electric cooling scheme that places the
Experimental and Numerical Research on the Performance of a Seasonal Ice Storage
A 3D transient simulation of Seasonal Ice Storage Device is performed.Experimental study is conducted to storage energy. • The impacts of various affecting factors on the performance of the ice making and storage device are analyzed. • The optimum size and
Thermal performance of a mine refuge chamber with human
While the sustainable atmosphere is the most commonly used research topic for RA improvement [5,22,[45][46][47][48][49][50][51], the other fields regarding RAs are heat-insulating capacity of the
Refrigerating characteristics of ice storage capsule for temperature control of coal mine refuge chamber
DOI: 10.1016/J.APPLTHERMALENG.2014.10.036 Corpus ID: 110120317 Refrigerating characteristics of ice storage capsule for temperature control of coal mine refuge chamber The shortage of precooling equipment in litchi-producing regions could lead to a high
Energy storage potential analysis of phase change material (PCM) energy
The schematic diagram of the cold energy storage of PCM plates based on tunnel lining GHEs is shown in Fig. 1. The cold energy source of PCM plates comes from the. Mathematical formulation. A multi-physics coupling numerical model is built to investigate the cold energy storage process of PCM plates based on tunnel lining GHEs.
Experimental investigation on environmental control of a 50
A phase change energy storage mortar (PEM) for use in underground refuge enclosures was prepared by incorporating phase change microcapsules in this study. To improve microcapsules'' heat resistance, thermal compactness, and shell structure strength, paraffin @ MUF/SiO 2 microcapsules were prepared by in situ polymerization
Numerical study on the heat transfer performance of mine ice-storage
Abstract. The thermal performance of the ice-storage cooling device used in the underground mine refuge chamber is poor, which causes a waste of energy. Therefore, it is necessary to improve the heat transfer performance of ice latent heat storage devices. In the current work, the effects of fin height, fin thickness and number
Coal Mine Refuge Chambers
8 ® MineARCSystems 9 Cylinder Rack and Storage High pressure cylinders used to power the CoalSAFE''s life support systems are stored securely in cylinder racks integrated into the rear of the refuge chamber. Note: Cylinders are to be provided by the end user.
Refuge Chamber under Natural Convection and Ventilation /min
10and proposed an intermittent cooling storage operation mode of SR. Compared with continuous 11cooling storage, intermittent cooling storage has significant energy-saving effect, which improves heat 12transfer performance and reduces energy 13 142.
Discharging performance of a forced-circulation ice thermal
Wang et al. (Wang, Jin, Han, Li, & Ou, 2017) developed a forced-circulation ice thermal storage system for a permanent refuge chamber, with an accommodation
Discharging performance of a forced-circulation ice thermal storage system for a permanent refuge chamber
A discharging performance model was developed for the ice thermal storage system of a refuge chamber and verified by good agreement between experimental and predicted output temperatures. (2) The discharging power of the ITSS achieved its peak at the very beginning of operation and decreased sharply within
Performance analysis of an improved temperature control scheme with cold stored in surrounding rock for underground refuge chamber
Energy storage technology has attracted much attention with rapid development and application of renewable energy [1]. Thermal energy storage systems, including latent heat storage such as phase change material (PCM) device and sensible heat storage such as rock-bed thermal storage system, play an important role in the
Thermal performance of an ice storage device for cooling
In this article, an ice storage cooling mine compressed air device with a volume of 1 m 3 was newly developed for high-temperature mine refuge chambers.
Experimental and Numerical Research on the Performance
The application experiment showed that the cold storage plate filled with prepared PCM could storage cold energy at an ambient temperature of 2 °C, and the prepared PCM could significantly prolong the preservation time of fruits. 3 was newly developed for high-temperature mine refuge chambers. Both the ice storage
Study on open-cycle carbon dioxide refrigerator for movable mine refuge chamber
Yang, Yang, Wei, Ma, and Zhang (2013) presented an open cycle carbon dioxide refrigerator used in a movable mine refuge chamber, another kind of refuge chamber which was small and movable. The
Purification Characteristic Research of Carbon Dioxide in Mine Refuge Chamber
3) Due to the limitation of energy storage in the refuge chamber, the air scrubber is suggested operating at intermittent mode, the optimal proportion of running time and down time is 2:3. When operating at intermittent mode, the air scrubber will consume only 27% energy of that at continuous operating mode to achieve the same absorption
Refuge Chamber for Tunneling | Draeger
гр.София, п.к. 1164. +359 2963 4366. +386 1 561 2263. Dräger Engineered Refuge Solutions (ERS) provide a safe haven for miners in emergency situations. The engineered chamber solution is fully customized to the individual mine requirements. It can be adapted tothe mine conditions, mine emergency plan, and.
Investigation on temperature control based on cooled
Acceptable temperature is very important for mine refuge chamber (MRC) to ensure the safety of occupants. A novel temperature control scheme combining cold source storage with mine compressed air (MCA) was proposed for MRCs. An experiment was conducted to explore the characteristics of temperature controlling in a MRC via the
Numerical simulation of ice storage plate emergency energy
In this paper, a method was proposed using ice storage plate (ISP) as emergency cold source for refuge chamber cooling without power supply.
Experimental study on cooling and dehumidification
The temperature in the refuge chamber is around 30 °C: Single rectangular tube: 96 h: Forced-circulation ice thermal storage system [30]. 5.5 m 3: Electric storage explosion-proof fan: 50: The temperature in the refuge chamber is below 35 °C: Single rectangular tube: 64.57 h: ISACS: 1 m 3: Mine compressed air: 15: The temperature in
Performance analysis of an improved temperature control
Energy storage technology has attracted much attention with rapid development and application of renewable energy [1]. For a mine refuge chamber with an initial surrounding rock temperature of 35 °C, Cooling performance of encapsulated ice plates used for the underground refuge chamber. Appl. Therm. Eng., 112 (2017),
Thermal performance of an ice storage device for cooling
An ice storage device was developed for cooling mine compressed air in mine refuge chamber (MRC). The device with 18 heat exchange tubes has a high ice
Numerical Simulation of Ice Storage Plate Emergency Energy
Numerical Simulation of Ice Storage Plate Emergency Energy Releasing Applied in Refuge Chamber Author(s): You Shijun, Feng Bin, Wang Jinli, Zhang Huan, Liu
Cooling performance of encapsulated ice plates used for
Xu et al. [15] adopted the encapsulated PCM plates (composed of ice) to cool an underground refuge chamber and found that using PCM plates was a desirable
Cooling performance of encapsulated ice plates used for the
DOI: 10.1016/J.APPLTHERMALENG.2016.10.072 Corpus ID: 114555523; Cooling performance of encapsulated ice plates used for the underground refuge chamber @article{Xin2017CoolingPO, title={Cooling performance of encapsulated ice plates used for the underground refuge chamber}, author={Xu Xin and Shijun You and Zheng Xuejing
Thermal performance of an ice storage device for cooling compressed mine air in high-temperature mine refuge chamber
An ice storage device was developed for cooling mine compressed air in mine refuge chamber (MRC). The device with 18 heat exchange tubes has a high ice melting rate of 85 % within 96 h. Inlet air velocity from 5
Study on open-cycle carbon dioxide refrigerator for movable mine refuge chamber
Engineering, Environmental Science. International journal of environmental research. 2016. TLDR. To investigate the heat stress experienced by miners trapped in a movable refuge chamber, the predicted heat strain (PHS) model was used to simulate the heat transfer process between the person and the thermal environment. Expand.
Thermal comfort model analysis and optimization
When the living environment in refuge chamber is in the state of thermal balance, then Q = Q′, and ice storage can be calculated as (19) m i c e = Q C p 1 T e + r + C p 2 T s = 94.9 n + 40.8 Δ T where Q is the cumulative total heat of refuge chamber, Q′ is the absorption heat with ice melting into water, m ice is the ice storage in air
Experimental study on cooling and dehumidification performance of an ice storage air conditioner used in underground refuge chamber
Phase change energy storage is regarded as a key technology for achieving scientifically distribution and utilization of energy [[21], [22], [23]]. As a common means of phase change energy storage, ice storage technology is mainly applied in energy saving and cost saving of air conditioning system [[24], [25], [26], [27]].
(PDF) Experimental Study of Phase Change Material''s Application in Refuge Chamber
We designed the experimental program of temperature control of phase change material according to the estimate of heat dissipating capacity in 96 hours. Ultimately, we conducted simulation
Thermal performance of a mine refuge chamber with human
75 one plate had an average hourly cooling load of approximately 14.3 W. Du et al. [14] designed a 76 multifunctional ice storage air conditioning system, the effective working time of this system being 77 more than 96 h for an eight-person movable MRC. Wang
سابق：energy storage at mixing station
التالي：frequency modulation principle of energy storage battery
