Energy saving technologies in the heat supply. systems of Uzbekistan. Mekhriya Koroli*, Feruza Khoshimova, and Adeliya Ivanisova. Tashkent State Tec hnical
At the end of 2023, prices for heat supply services for legal entities increased by 1.5 times, and for budgetary institutions - by 1.6 times. Then the price for
Regulated prices (basic tariff) for heat supply services provided by FE LLC Veolia Energy Tashkent are set at 397,212 UZS/Gcal. In accordance with the
To check the effective heat transfer characteristics between the PCM and heat transfer fluid, thermal analysis was carried out using ANSYS fluent in the workbench. 3D shell and tube heat exchangers have been created using CATIA software (Fig. 3) and boundary conditions were specified in ANSYS fluent workbench.
With input from TDPU, we created the "Uzbekistan 2023 Heating Plan", where we look at how the heating sector will use heat savings, electrification, energy
As a key component of latent heat thermal energy storage system, heat exchangers that complete the energy storage process directly affect the operation efficiency of the system [11], [12], [13]. In order to improve the heat storage rate of the LHTES heat exchanger, scholars made extensive research on the structure of heat
According to the decision, from December 1, 2023, regulated base prices for heat supply services provided by Veolia Energy Tashkent LLC GC will be at the level of 664,465 soums/Gcal without value added tax, while: for the population – 91,960
1. Introduction Latent heat thermal energy storage (LHTES) systems with phase change material (PCM) can store more energy in a smaller volume compared to sensible heat storage systems. As a result, PCMs are used in many applications, like electronic cooling [1], [2], heating and cooling of spaces [3], [4], storage of heat from
Liquid air energy storage (LAES) is promising in the large scale energy storage field. The heat exchanger (Hex) in a LAES system using liquid phase working mediums for cold
The latent thermal energy storage (LTES) technology has advantages of high thermal energy storage density, system volume saving, and easy installation, which
The tariff for heat supply and hot water supply services for residents in the city of Tashkent will be increased by 15% after the end of the 2023-2024 heating season,
To speed up the design process of thermal energy storage devices, it is critical to develop fast and accurate modeling methods for phase change material embedded heat exchangers (PCM HXs). This study developed and compared two approximation-assisted reduced-order PCM HX models for the simulation of thermal storage
The ideal heat exchanger can it be done? • There has been an increase in customers asking us for Long Duration (10/100''s MWhrs) energy storage heat exchangers. • Such
Abstract. Phase change materials (PCMs) are promising for storing thermal energy as latent heat, addressing power shortages. Growing demand for concentrated solar power systems has spurred the development of latent thermal energy storage, offering steady temperature release and compact heat exchanger designs. This study explores
The tariff for hot water supply with a meter will be 6,028 soums per cubic meter of water (now - 5,242 soums) and 23,541 soums per person per month (now -
13537.55, 13600.91, 13731.82, 13536.20, 13551.03, 13612.90, 13584.14, 13519.33, 13531.91, 13524.12
In this work, we derived a control-oriented model of a sensible liquid thermal energy storage tank with a helical immersed heat exchanger (IHX) coil situated at the lower portion of the tank. We used key simplifying assumptions to develop a quasi-steady model of the IHX coil heat transfer dynamics to avoid adding any additional dynamic
Efficient energy storage rates are crucial for latent heat energy storage units. Building on previous studies highlighting the benefits of shell and helical tube configurations, which enhance energy storage rates through increased heat exchange areas, this research introduces a novel configuration featuring a combination of conical
During the discharge process, a surface-specific heat transfer of above 300 kW·m −2 and a share of electricity generation of up to 24 % can be achieved, which shows the high potential of the Rotating Drum Heat Exchanger. The
Zhang and Faghri [26] studied the heat transfer enhancement in the latent heat thermal energy storage heat exchanger by using an internally finned tube. Khalifa et al. [27] demonstrated that by using finned heat pipes in high temperature latent heat thermal energy storage systems, the energy extracted increased by 86% and the heat pipes
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