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Articoli di riviste sul tema "Heat recovery"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 25 luglio 2025

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1

Ion, Ion V., Antoaneta Ene, and Gabriel Mocanu. "Boiler blowdown recovery." Annals of the ”Dunarea de Jos” University of Galati Fascicle II Mathematics Physics Theoretical Mechanics 44, no. 2 (2021): 98–102. http://dx.doi.org/10.35219/ann-ugal-math-phys-mec.2021.2.03.

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One way to reduce the heat loss of the steam boiler is to reduce the blowdown rate and recover the heat from the purged water. Purging the boiler, although necessary, represents a loss of treated water and a loss of heat because the purged water is water brought to saturation. Blowdown recovery must be done according to the available users/consumers. The paper analyses the recovery of blowdown of a steam boiler of 420 t/h capacity by using a flash separator and a makeup water preheater. The flash steam is used for the feed water deaeration. The heat recovered from the blowdown can reach 97%, a

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2

SAARI, JUSSI, JUHA KAIKKO, EKATERINA SERMYAGINA, et al. "Recovery boiler back-end heat recovery." March 2023 22, no. 3 (2023): 174–83. http://dx.doi.org/10.32964/tj22.3.174.

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Sustainability and efficient use of resources are becoming increasingly important aspects in the operation of all industries. Recently, some biomass-fired boilers have been equipped with increasingly complex condensing back-end heat recovery solutions, sometimes also using heat pumps to upgrade the low-grade heat. In kraft recovery boilers, however, scrubbers are still mainly for gas cleaning, with only simple heat recovery solutions. In this paper, we use process simulation software to study the potential to improve the power generation and energy efficiency by applying condensing back-end he

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3

Vannoni, Alberto, Alessandro Sorce, Sven Bosser, and Torsten Buddenberg. "Heat recovery from Combined Cycle Power Plants for Heat Pumps." E3S Web of Conferences 113 (2019): 01011. http://dx.doi.org/10.1051/e3sconf/201911301011.

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Fossil fuel power plants, as combined cycle plants (CCGT), will increasingly have to shift their role from providing base-load power to providing fluctuating back-up power to control and stabilize the grid, but they also have to be able to run at the highest possible efficiency. Combined Heat and Power generation could be a smart solution to overcome the flexibility required to a modern power plant, this work investigates different layout possibilities allowing to increase the overall efficiency through the heat recover from the hot flue gasses after the heat recovery steam generator (HRSG) of

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4

Kim, Yurim, Jonghun Lim, Jae Yun Shim, Seokil Hong, Heedong Lee, and Hyungtae Cho. "Optimization of Heat Exchanger Network via Pinch Analysis in Heat Pump-Assisted Textile Industry Wastewater Heat Recovery System." Energies 15, no. 9 (2022): 3090. http://dx.doi.org/10.3390/en15093090.

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Reactive dyeing is primarily used in the textile industry to achieve a high level of productivity for high-quality products. This method requires heating a large amount of freshwater for dyeing and cooling for the biological treatment of discharged wastewater. If the heat of the wastewater discharged from the textile industry is recovered, energy used for heating freshwater and cooling wastewater can be significantly reduced. However, the energy efficiency of this industry remains low, owing to the limited use of waste heat. Hence, this study suggested a cost-optimal heat exchanger network (HE

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5

Losnegard, Thomas, Martin Andersen, Matt Spencer, and Jostein Hallén. "Effects of Active Versus Passive Recovery in Sprint Cross-Country Skiing." International Journal of Sports Physiology and Performance 10, no. 5 (2015): 630–35. http://dx.doi.org/10.1123/ijspp.2014-0218.

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Purpose:To investigate the effects of an active and a passive recovery protocol on physiological responses and performance between 2 heats in sprint cross-country skiing.Methods:Ten elite male skiers (22 ± 3 y, 184 ± 4 cm, 79 ± 7 kg) undertook 2 experimental test sessions that both consisted of 2 heats with 25 min between start of the first and second heats. The heats were conducted as an 800-m time trial (6°, >3.5 m/s, ~205 s) and included measurements of oxygen uptake (VO2) and accumulated oxygen deficit. The active recovery trial involved 2 min standing/walking, 16 min jogging (58% ± 5%

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6

Vivek, P., and P. Vijaya kumar. "Heat Recovery Steam Generator by Using Cogeneration." International Journal of Engineering Research 3, no. 8 (2014): 512–16. http://dx.doi.org/10.17950/ijer/v3s8/808.

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7

Łokietek, Tomasz, Wojciech Tuchowski, Dorota Leciej-Pirczewska, and Anna Głowacka. "Heat Recovery from a Wastewater Treatment Process—Case Study." Energies 16, no. 1 (2022): 44. http://dx.doi.org/10.3390/en16010044.

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This article presents the potential of heat recovery from wastewater with an example of a wastewater treatment plant (WWTP) in Mokrawica, which is located in the West Pomeranian region of Poland. A thorough literature review discusses the relevance of the topic and shows examples of heat recovery conducted with heat pumps. Raw and treated wastewater are mostly used as heat sources, with the latter achieving higher thermal capacities. Heat recovery from a biological treatment process is rarely implemented and requires more detailed studies on this subject. The proposed methodology for estimatin

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8

Soundararajan, Srinath, and Mahalingam Selvaraj. "Investigations of protracted finned double pipe heat exchanger system for waste heat recovery from diesel engine exhaust." Thermal Science, no. 00 (2023): 143. http://dx.doi.org/10.2298/tsci230212143s.

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The need for energy and material savings, as well as environmental concerns, have helped to increase the demand for high-efficiency heat exchangers in the modern era. In practice, a heat exchanger or the direct ejection of the hot working fluid is used to recover the waste heat from a heat engine or thermal power plant into the environment. Waste heat of a heat engine or power plant is recovered to the environment via a heat exchanger or by direct ejection from the hot working fluid. In many situations, waste heat recovery removes or greatly reduces the necessity for additional fuel energy inp

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9

Wang, Jinshi, Weiqi Liu, Guangyao Liu, Weijia Sun, Gen Li, and Binbin Qiu. "Theoretical Design and Analysis of the Waste Heat Recovery System of Turbine Exhaust Steam Using an Absorption Heat Pump for Heating Supply." Energies 13, no. 23 (2020): 6256. http://dx.doi.org/10.3390/en13236256.

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In northern China, many thermal power plants use absorption heat pump to recover low-grade heat from turbine exhaust steam due to the irreplaceable advantages of the absorption heat pump in waste heat recovery. In the process of designing a waste heat recovery system, few researchers have considered the relationship between the design power of the heat pump and the actual heating load of the heating network. Based on the heating load characteristics, this paper puts forward a design idea which uses an absorption heat pump to recover waste heat from a steam turbine exhaust for heating supply. T

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10

Baradey, Y., M. N. A. Hawlader, Ahmad Faris Ismail, and Meftah Hrairi. "WASTE HEAT RECOVERY IN HEAT PUMP SYSTEMS: SOLUTION TO REDUCE GLOBAL WARMING." IIUM Engineering Journal 16, no. 2 (2015): 31–42. http://dx.doi.org/10.31436/iiumej.v16i2.602.

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Energy conversion technologies, where waste heat recovery systems are included, have received significant attention in recent years due to reasons that include depletion of fossil fuel, increasing oil prices, changes in climatic conditions, and global warming. For low temperature applications, there are many sources of thermal waste heat, and several recovery systems and potential useful applications have been proposed by researchers [1-4]. In addition, many types of equipment are used to recover waste thermal energy from different systems at low, medium, and high temperature applications, suc

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11

Touset, Juan Pedro Hernández, and José Ulivis Espinosa Martínez. "Total Site Targeting Approach for Heat Recovery at a Paper Factory." WSEAS TRANSACTIONS ON HEAT AND MASS TRANSFER 18 (December 31, 2023): 246–51. http://dx.doi.org/10.37394/232012.2023.18.20.

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The total Site heat integration approach has been used extensively in the industry, including process services and heat exchanger network design integrated with the site service system. This work aims to propose a design for the heat recovery network in the paper factory through Total Site targeting. A procedure that includes the energy analysis and Pinch Analysis methodologies, with the use of Aspen Energy Analyzer is applied. The heat exchanger network design through total site heat integration shows that the rehabilitation of the heat recovery system of the paper machine and boiler blowdown

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12

McFARLAND, IAN. "Heat Recovery Apparatus." Heat Transfer Engineering 8, no. 4 (1987): 33–35. http://dx.doi.org/10.1080/01457638708962814.

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13

Zolkowski, Jerry T. "Waste Heat Recovery." Energy Engineering 106, no. 5 (2009): 63–74. http://dx.doi.org/10.1080/01998590909594544.

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14

Pile, David F. P. "Waste-heat recovery." Nature Photonics 12, no. 9 (2018): 500. http://dx.doi.org/10.1038/s41566-018-0247-8.

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15

Richarts, Frit, and Stolberg Breinig. "Heat recovery method." Journal of Heat Recovery Systems 6, no. 1 (1986): vii. http://dx.doi.org/10.1016/0198-7593(86)90194-3.

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16

Khosropour, Mostafa M., and Thomas C. Learn. "Heat recovery muffler." Journal of the Acoustical Society of America 77, no. 6 (1985): 2206. http://dx.doi.org/10.1121/1.391683.

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17

Nasif, Mohammad Shakir, and Rafat Al-Waked. "Effect of Air to Air Fixed Plate Enthalpy Energy Recovery Heat Exchanger Flow Profile on Air Conditioning System Energy Recovery." Applied Mechanics and Materials 819 (January 2016): 245–49. http://dx.doi.org/10.4028/www.scientific.net/amm.819.245.

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Fixed plate enthalpy heat exchanger which utilizes permeable material as heat and moisture transfer surface has been used as an energy recovery system to recover sensible and latent heat in HVAC systems. The heat exchanger effectiveness is affected by the air flow profile. It is well known that counter flow configuration provides highest effectiveness, however, in real applications, it is not possible to implement a counter flow configuration, as both inlet and outlet ducts of the two flow streams are located on the same side of the heat exchanger. Therefore, several quasi-counter-flow heat ex

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18

Fialko, N., A. Stepanova, R. Navrodska, N. Meranova, and S. Shevchuk. "COMPARATIVE ANALYSIS OF EXERGETIC EFFICIENCY OF HEAT RECOVERY SYSTEMS OF BOILER PLANTS." Energy and automation 2023, no. 3 (2023): 17–27. http://dx.doi.org/10.31548/energiya3(67).2023.017.

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The paper presents the results of a comparative analysis of the exergetic efficiency of heat recovery systems of boiler plants. The need to ensure the efficient operation of heat recovery systems for various purposes determines the importance and relevance of research conducted in this field. The purpose of the work is to increase the exergetic efficiency of heat recovery systems of various purposes. The results of solving the tasks necessary to achieve the set goal are given: - submit heat utilization systems of various purposes in the form of structural diagrams with the identification of ex

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19

Khan, Ershad Ullah, Åke Nordberg, and Peter Malmros. "Waste Heat Driven Integrated Membrane Distillation for Concentrating Nutrients and Process Water Recovery at a Thermophilic Biogas Plant." Sustainability 14, no. 20 (2022): 13535. http://dx.doi.org/10.3390/su142013535.

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To efficiently utilize low-concentrate digestate nutrients, further treatment is needed to decrease their volume, recover process water, and increase nutrient concentrations. Membrane distillation (MD) is a thermally driven process that is advantageous due to its ability to harness low-grade waste heat to treat highly complex wastewater streams. This study assessed the techno-economic performance of integrating MD for two-fold concentrations of nutrients and the recovery of process water from digestate at a thermophilic biogas plant. Thermal assessment showed that the recovered waste heat from

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20

Nakata, Hiroki, Ryusuke Kakigi, and Manabu Shibasaki. "Effects of passive heat stress and recovery on human cognitive function: An ERP study." PLOS ONE 16, no. 7 (2021): e0254769. http://dx.doi.org/10.1371/journal.pone.0254769.

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Using event-related potentials (ERPs), we investigated the effects of passive heat stress and recovery on the human cognitive function with Flanker tasks, involving congruent and incongruent stimuli. We hypothesized that modulation of the peak amplitude and latency of the P300 component in ERP waveforms would differ with task difficulty during passive heat stress and recovery. Subjects performed the Flanker tasks before (Pre), at the end of whole body heating (Heat: internal temperature increase of ~1.2°C from the pre-heat baseline), and after the internal temperature had returned to the pre-h

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21

Mohd Yusoff, Mohd Hizami, Ein K. Nyunt, Muhammad Roil Bilad, et al. "Hybrid Membrane Distillation and Wet Scrubber for Simultaneous Recovery of Heat and Water from Flue Gas." Entropy 22, no. 2 (2020): 178. http://dx.doi.org/10.3390/e22020178.

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Flue gas contains high amount of low-grade heat and water vapor that are attractive for recovery. This study assesses performance of a hybrid of water scrubber and membrane distillation (MD) to recover both heat and water from a simulated flue gas. The former help to condense the water vapor to form a hot liquid flow which later used as the feed for the MD unit. The system simultaneously recovers water and heat through the MD permeate. Results show that the system performance is dictated by the MD performance since most heat and water can be recovered by the scrubber unit. The scrubber achieve

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22

Kamarudin, Norhafiza, Liew Peng Yen, Nurfatehah Wahyuny Che Jusoh, Wai Shin Ho, and Jeng Shiun Lim. "Organic rankine cycle and steam turbine for intermediate temperature waste heat recovery in total site integration." Malaysian Journal of Fundamental and Applied Sciences 15, no. 1 (2019): 125–30. http://dx.doi.org/10.11113/mjfas.v15n1.1202.

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The utilization of waste heat for heat recovery technologies in process sites has been widely known in improving the site energy saving and energy efficiency. The Total Site Heat Integration (TSHI) methodologies have been established over time to assist the integration of heat recovery technologies in process sites with a centralized utility system, which is also known as Total Site (TS). One the earliest application of TSHI concept in waste heat recovery is through steam turbine using the popular Willan’s line approach. The TSHI methodologies later were extended to integrate with wide range o

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23

Ungureanu, V. B. "HEAT PIPES FOR HEAT RECOVERY SYSTEMS." Bulletin of the Transilvania University of Brasov. Series I - Engineering Sciences 12(61), no. 2 (2020): 11–18. http://dx.doi.org/10.31926/but.ens.2019.12.61.1.11.

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24

Al-Rabghi, O. M., M. Akyurt, Y. S. H. Najjar, and T. Alp. "Heat Exchangers for Waste-Heat Recovery." Energy & Environment 4, no. 3 (1993): 284–306. http://dx.doi.org/10.1177/0958305x9300400305.

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A survey is made of the equipment used for heat recovery and utilization. Types and merits of commonly employed heat exchangers are presented, and criteria for selecting heat exchangers are summarized. Applications for waste heat recovery are emphasized. It is concluded that careful selection and operation of such equipment would be expected to result in energy savings as well as problem-free operation.

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25

Azad, E. "Split heat pipe heat recovery system." International Journal of Low-Carbon Technologies 3, no. 3 (2008): 191–202. http://dx.doi.org/10.1093/ijlct/3.3.191.

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26

OSAKABE, Masahiro. "Heat exchanger for latent heat recovery." Mechanical Engineering Reviews 2, no. 2 (2015): 14–00300. http://dx.doi.org/10.1299/mer.14-00300.

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27

Rajski, Krzysztof, and Jan Danielewicz. "Heat Transfer and Heat Recovery Systems." Energies 16, no. 7 (2023): 3258. http://dx.doi.org/10.3390/en16073258.

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28

Stulc, P., L. L. Vasiliev, V. G. Kiseljev, and Ju N. Matvejev. "Heat pipe heat exchangers in heat recovery systems." Journal of Heat Recovery Systems 5, no. 5 (1985): 415–18. http://dx.doi.org/10.1016/0198-7593(85)90172-9.

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29

Zhao, Yanan, Mingliang Li, Rui Long, Zhichun Liu, and Wei Liu. "Advanced adsorption-based osmotic heat engines with heat recovery for low grade heat recovery." Energy Reports 7 (November 2021): 5977–87. http://dx.doi.org/10.1016/j.egyr.2021.09.007.

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Wu, J. Y., R. Z. Wang, and Y. X. Xu. "Dynamic analysis of heat recovery process for a continuous heat recovery adsorption heat pump." Energy Conversion and Management 43, no. 16 (2002): 2201–11. http://dx.doi.org/10.1016/s0196-8904(01)00158-3.

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31

Tao, Zhong Nan, Lian Fa Yang, and Ze Qiu Wu. "Research on the Devices of Waste Heat Recovery in Tea Dryer." Advanced Materials Research 482-484 (February 2012): 2161–64. http://dx.doi.org/10.4028/www.scientific.net/amr.482-484.2161.

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The waste heat is a great part of energy loss in tea processing. The status of waste heat recovery in tea drying has been reviewed. The characteristics and the application of the devices used to recover the waste heat in tea drying have been introduced, such as the circulating type, the storage type and the exchange type. The drawback of the waste heat recovery devices which exists in tea drying process has been analyzed. And the new device of waste heat recovery in tea dryer has been mentioned.

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Wärff, C., M. Arnell, R. Sehlén, and U. Jeppsson. "Modelling heat recovery potential from household wastewater." Water Science and Technology 81, no. 8 (2020): 1597–605. http://dx.doi.org/10.2166/wst.2020.103.

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Abstract There is a strongly growing interest for wastewater heat recovery (WWHR) in Sweden and elsewhere, but a lack of adequate tools to determine downstream impacts due to the associated temperature drop. The heat recovery potential and associated temperature drop after heat recovery on a building level is modelled for a case study in Linköping, Sweden. The maximum temperature drop reaches 4.2 °C, with an annual recovered heat of 0.65 kWh · person−1 · day−1. Wastewater temperature out from the heat exchanger was 18.0 °C in winter at the lowest. The drinking water source type can be an impor

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Zhang, Le, Huixing Zhai, Jiayuan He, Fan Yang, and Suilin Wang. "Application of Exergy Analysis in Flue Gas Condensation Waste Heat Recovery System Evaluation." Energies 15, no. 20 (2022): 7525. http://dx.doi.org/10.3390/en15207525.

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Flue gas condensation heat recovery technology has a good technical and economic performance in industrial exhaust gas waste heat recovery. Thermal efficiency analysis is the traditional analysis method for the flue gas condensation heat recovery system but it cannot reflect the recovered heat degree. Exergy analysis, which can reflect the recovered energy heat degree, was first applied to the evaluation of a flue gas condensation waste heat recovery system in this paper. The calculation method of wet flue gas exergy is more complex as both a heat and mass transfer is presented. Flue gas waste

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Zong, Jianfang, Liang Sun, Huiting Guo, and Fei Fang. "Research progress of low-temperature heat recovery technology in sulfuric acid production." E3S Web of Conferences 194 (2020): 01001. http://dx.doi.org/10.1051/e3sconf/202019401001.

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Low-temperature waste heat refers to the sum of the heat degraded and transferred to the dry absorption process after the high- and medium-temperature heat is recovered in the conversion process in the conventional sulfuric acid production plant, as well as the sulfuric acid formation heat, steam condensation heat and sulfuric acid dilution heat generated in the dry absorption process. It is of great practical significance to rationally develop and utilize the low-temperature waste heat. This paper introduces the development of traditional waste heat recovery technology and low-temperature hea

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Saari, Jussi, Ekaterina Sermyagina, Juha Kaikko, Markus Haider, Marcelo Hamaguchi, and Esa Vakkilainen. "Evaluation of the Energy Efficiency Improvement Potential through Back-End Heat Recovery in the Kraft Recovery Boiler." Energies 14, no. 6 (2021): 1550. http://dx.doi.org/10.3390/en14061550.

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Sustainability and energy efficiency have become important factors for many industrial processes, including chemical pulping. Recently complex back-end heat recovery solutions have been applied to biomass-fired boilers, lowering stack temperatures and recovering some of the latent heat of the moisture by condensation. Modern kraft recovery boiler flue gas offers still unutilized heat recovery possibilities. Scrubbers have been used, but the focus has been on gas cleaning; heat recovery implementations remain simple. The goal of this study is to evaluate the potential to increase the power gene

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Östbring, Karolina, Emma Malmqvist, Kajsa Nilsson, Ia Rosenlind, and Marilyn Rayner. "The Effects of Oil Extraction Methods on Recovery Yield and Emulsifying Properties of Proteins from Rapeseed Meal and Press Cake." Foods 9, no. 1 (2019): 19. http://dx.doi.org/10.3390/foods9010019.

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The agricultural sector is thought to be responsible for around 30% of the anthropogenic climate change and it is well established that high meat consumption has a tremendous impact on the environment. Rapeseed is mainly used for production of vegetable oil, but press cake has high protein content with the potential for incorporation into new plant protein-based foods. Protein was recovered from press cakes generated from different oil pressing processes. Industrially cold-pressed, hot-pressed, and solvent-extracted rapeseed press cake and the effect of heat treatment in the recovery process w

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Teng, Da, Ang Li, Tielin Li, Liansuo An, Guoqing Shen, and Shiping Zhang. "Experimental study on waste heat recovery characteristics of inorganic ceramic membrane flue gas." Thermal Science and Engineering 5, no. 1 (2022): 51. http://dx.doi.org/10.24294/tse.v5i1.1529.

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The wet saturated flue gas discharged by coal-fired utility boilers leads to a large amount of low-temperature wasteheat loss. Inorganic ceramic membrane is acid-base resistant and has strong chemical stability. It is an ideal material forrecovering low-temperature waste heat from flue gas. The experiment of waste heat recovery of flue gas was carried outwith inorganic ceramic membrane as the core, and the characteristic parameters of low-temperature flue gas at the tailof the boiler were analyzed; taking 316 L stainless steel as the comparative object, the strengthening effect of inorganiccer

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Zhang, Xi Liang, Jun Xu, Li Qiang Chen, and Ai Xin Feng. "Design of Grate Bed Heat Recovery Unit and Simulation Analysis." Key Engineering Materials 464 (January 2011): 366–69. http://dx.doi.org/10.4028/www.scientific.net/kem.464.366.

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For the current problem that grate bed can not recover its own waste heat in the course of cycle working, combined with the structure of the chain grate and hot air flow process, a three-section heat recovery unit of grate bed and waste heat recovery hot air flow process are designed. According to the principle of repeated convective heat transfer, the amount of recovering waste heat of heat recovery unit is estimated, and simulation analysis is conducted by using fluent software. The results show: after three heat exchange between the hot exhaust gas at around 100°C and the grate bed, the hot

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Ergul, Murat, and Selcuk Selimli. "An applied study on energy analysis of a coke oven." Science and Technology for Energy Transition 79 (2024): 1. http://dx.doi.org/10.2516/stet/2023042.

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In this study, the energy view of an oven of a 70-oven coke battery in an iron and steel plant was evaluated based on operating parameters and recommendations for improving efficiency were made. A mass and energy balance per coking period (p) was created for a coke oven. It was found that during each coking period, 51.2% of the energy input was used as coking heat. It is predicted that approximately 6.91% of the input energy can be recovered from flue gas into the combustion air. By recovering the heat from the flue gas into the combustion air, the efficiency of the coke oven can be increased

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Karmazyn, M., K. Mailer, and R. W. Currie. "Acquisition and decay of heat-shock-enhanced postischemic ventricular recovery." American Journal of Physiology-Heart and Circulatory Physiology 259, no. 2 (1990): H424—H431. http://dx.doi.org/10.1152/ajpheart.1990.259.2.h424.

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Hyperthermia induces the synthesis of the 71-kDa heat-shock protein (heat-shock response) in all rat tissues, including heart. We examined whether induction of the heat-shock response alters the response of isolated hearts to ischemia and reperfusion. Anesthetized male rats were pretreated with 15 min of hyperthermia (42 degrees C) and then recovered for 0, 24, 48, 96, or 192 h. Hearts were isolated from control and hyperthermia-treated rats and retrogradely perfused. Greatest recovery occurred in 48-h postheat-shock hearts; after 30 min of reperfusion there was a 38, 62, and 62% recovery of f

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ASANO, Hitoshi, Junichi FUJIYAMA, Eisaku TSUJIMOTO, Tetsurou HAMADA, and Makoto HIROTSU. "F107 DEVELOPMENT OF COMPACT LATENT HEAT RECOVERY HEAT EXCHANGER FOR GAS WATER HEATER IN HOUSEHOLD USE(Heat Exchanger)." Proceedings of the International Conference on Power Engineering (ICOPE) 2009.1 (2009): _1–329_—_1–334_. http://dx.doi.org/10.1299/jsmeicope.2009.1._1-329_.

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Takemoto, Shinji, Kazuhiro Ikeda, and Ryuta Konishi. "Waste Heat Recovery (WHR) Systems - Development of Heat Recovery Units for G/E Waste Heat." Marine Engineering 48, no. 5 (2013): 700–702. http://dx.doi.org/10.5988/jime.48.700.

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Prof.S.P.Joshi1, &. Prof.P.B.Borakhede2. "A REVIEW ON WASTE HEAT RECOVERY OF BOILER PLANT USING HEAT PIPE HEAT EXCHANGER." GLOBAL JOURNAL OF ENGINEERING SCIENCE AND RESEARCHES [NC-Rase 18] (November 22, 2018): 69–71. https://doi.org/10.5281/zenodo.1493988.

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Abstract (sommario):

The consumption of hot air presents a significant part of the nation's energy consumption. And hence the cost of that energy is to regain heat from the waste warm air that is discharged to the sewer each day. The potential for economic waste air heat is recovery depends on both the quantity of heat available and whether the quality fits the requirement of the heating load. Heat pipes with heat exchanger are useful device for the recovery of waste heat. Large quantities of heat can be conveyed through a small cross-sectional area over a long distance with no extra power input to the system.

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Germilly, Barreto, Qu Ke, Wang Yuhao, Iten Muriel, and Riffat Saffa. "An innovative window heat recovery (WHR) system with heat pipe technology: Analytical, CFD, experimental analysis and building retrofit performance." Energy Reports 8 (February 10, 2022): Energy Reports. https://doi.org/10.1016/j.egyr.2022.02.126.

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Abstract (sommario):

This paper addresses the numerical and experimental performance analysis of a windows heat recovery system made of heat pipes. For modelling, the heat pipe is considered as a pseudo solid material with high value of effective thermal conductivity. An experimental investigation using a window heat recovery prototype was carried out to predict the value of effective thermal conductivity of the heat pipes and to validate the numerical model. After validation, a parametric analysis was conducted to investigate the performance of the recovery system for different working co

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Jacob, Geo, Frank Dienorowitz, and Nele Jaschke. "SPATIAL MATHEMATICAL MODELING OF STATIC COMPOST PILES WITH HEAT RECOVERY." Detritus, no. 20 (September 14, 2022): 56–69. http://dx.doi.org/10.31025/2611-4135/2022.15213.

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Abstract (sommario):

Composting experiments with heat recovery reveal spatial non-uniformity in parameters such as temperature, oxygen concentration and substrate degradation. In order to recover heat from static compost piles via integrated heat exchanger there is the need to investigate the temperature distribution for placing the heat exchangers and the interaction between heat recovery, substrate degradation and oxygen concentration to ensure quality of composting process. This study introduces a spatial model to predict the variation in controlling parameters such as temperature, oxygen concentration, substra

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Monga, Deepak, Gagan Baradia, Siddharth Nangia, and Rohit Mishra. "Energy Harvesting System Using Thermoelectric Generators and Heat Pipes: A Review." International Journal of Advance Research and Innovation 5, no. 2 (2017): 176–86. http://dx.doi.org/10.51976/ijari.521731.

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Abstract (sommario):

Environmental Protection issues and the global energy crisis worldwide have caused energy recovery techniques to come into play. One of the potential areas for this energy recovery is engine exhaust as huge amount of energy is lost in form of heat through exhaust gases. With appropriate recovery methods executed, considerable increase in efficiency of engine is obtained. For this aim, thermoelectric generators is proposed as the optimum solution as its solid state working doesn’t have any moving parts or gas emissions and directly converts exhaust heat into electricity. Another promising techn

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Wipplinger, KPM, TM Harms, and AB Taylor. "Stainless steel finned tube heat exchanger design for waste heat recovery." Journal of Energy in Southern Africa 17, no. 2 (2006): 47–56. http://dx.doi.org/10.17159/2413-3051/2006/v17i2a3281.

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Abstract (sommario):

Around the world the implementation of heat recovery systems play an increasingly important role in the engineering industry. Recovered energy is utilised in production plants (especially in the food industry) and saves companies millions in expenses per year. Waste heat recovery associated with hydrocarbon combustion in the transport industry is identified as a significantly under-utilised energy resource. The aim of this project was to investigate the recovery of waste heat in a small scale system for the purpose of electrical conversion in order to serve as a secondary energy source. A theo

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Selvaraj, J., V. S. Varun, Vignesh, and Vishnu Vishwam. "Waste Heat Recovery from Metal Casting and Scrap Preheating Using Recovered Heat." Procedia Engineering 97 (2014): 267–76. http://dx.doi.org/10.1016/j.proeng.2014.12.250.

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Sitzenfrei, Robert, Sebastian Hillebrand, and Wolfgang Rauch. "Investigating the interactions of decentralized and centralized wastewater heat recovery systems." Water Science and Technology 75, no. 5 (2016): 1243–50. http://dx.doi.org/10.2166/wst.2016.598.

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Abstract (sommario):

In the urban water cycle there are different sources for extracting energy. In addition to potential and chemical energy in the wastewater, thermal energy can also be recovered. Heat can be recovered from the wastewater with heat exchangers that are located decentralized and/or centralized at several locations throughout the system. It can be recovered directly at the source (e.g. in the showers and bathrooms), at building block level (e.g. warm water tanks collecting all grey water), in sewers or at the wastewater treatment plant. However, an uncoordinated installation of systems on such diff

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CHOUDHARY, PRAVEEN KUMAR. "INVESTIGATION OF WASTE HEAT RECOVERY SYSTEMS USING THERMO-ELECTRIC GENERATORS AND SIMULATIONS FOR USED AUTOMOBILE RADIATORS." International Scientific Journal of Engineering and Management 03, no. 04 (2024): 1–9. http://dx.doi.org/10.55041/isjem01533.

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Abstract (sommario):

Providing good and best solutions to everyday problems varies day by day with the evolving technologies. The solution pertaining to the problems associated with the exhaust gases from the automobile or other such equipments revolves around only on the ways of reducing the pollution. Many designs and developments are also made in terms of alternative energies at low cost. One such ideology is to recover and reuse the energy that is exhibited out in the form of liquid or heat. Waste heat recovery will be a new energy source. Thermal fluid flow heat recovery system from Automobile radiator with i

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