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New Frontiers in Renewable Energy Driven Combined Heat and Power...
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New Frontiers in Renewable Energy Driven Combined Heat and Power Generation

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "J: Thermal Management".

Deadline for manuscript submissions: closed (23 November 2022) | Viewed by 5713

Special Issue Editors

Prof. Dr. Janusz Badur

E-Mail Website
Guest Editor
Energy Conversion Department, Institute of Fluid-Flow Machinery PAS-ci, Fiszera 14 st., Gdansk 80-283, Poland
Interests: broadly defined power engineering from basic phenomena in thermodynamics and mechanics to large-scale power engineering; fluid-flow machinery design; failure analysis
Dr. Tomasz Kowalczyk

E-Mail Website
Guest Editor
Energy Conversion Department, Institute of Fluid-Flow Machinery PAS-ci, Fiszera 14 st., Gdansk 80-283, Poland
Interests: thermodynamic; exergy; fluid mechanics

Special Issue Information

Dear Colleagues,

Currently, countries requiring heating face the challenge of the decarbonisation of heating systems, and so a natural way of development is to adapt the existing heating infrastructures to cooperation with renewable energy sources. This Special Issue’s concept is that direct electric heating should be the last resort and, for this reason, we should strive for the effective cooperation of technology based on the combustion of fuels with renewable energy sources, taking into account the present and future frontiers in renewable energy-driven combined heat and power generation. Therefore, we turn to the scientific community regarding this subject with a kind request to share your observations, experiences, and research results in the form of articles in this Special Issue of Energies.

Prof. Dr. Janusz Badur
Dr. Tomasz Kowalczyk
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Energies is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • partial loads
  • exergy analysis
  • environmental impact
  • economic analysis
  • integration of energy sources and systems
  • district heating

Published Papers (3 papers)

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Research

26 pages, 3997 KiB  
Article
Thermochemical Energy Storage with Integrated District Heat Production–A Case Study of Sweden
by Diana Carolina Guío-Pérez, Guillermo Martinez Castilla, David Pallarès, Henrik Thunman and Filip Johnsson
Energies 2023, 16(3), 1155; https://doi.org/10.3390/en16031155 - 20 Jan 2023
Viewed by 1743
Abstract
The implementation of electricity-charged thermochemical energy storage (TCES) using high-temperature solid cycles would benefit the energy system by enabling the absorption of variable renewable energy (VRE) and its conversion into dispatchable heat and power. Using a Swedish case study, this paper presents a [...] Read more.
The implementation of electricity-charged thermochemical energy storage (TCES) using high-temperature solid cycles would benefit the energy system by enabling the absorption of variable renewable energy (VRE) and its conversion into dispatchable heat and power. Using a Swedish case study, this paper presents a process for TCES-integrated district heating (DH) production, assesses its technical suitability, and discusses some practical implications and additional implementation options. The mass and energy flows of a biomass plant retrofitted with an iron-based redox loop are calculated for nine specific scenarios that exemplify its operation under electricity generation mixes that differ with respect to variability and price. In addition, the use of two types of electrolyzers (low-temperature and high-temperature versions) is investigated. The results show that for the Swedish case, the proposed scheme is technically feasible and capable of covering the national DH demand by making use of the existing DH plants, with an estimated process energy efficiency (electricity to heat) of 90%. The results also show that for a retrofit of the entire Swedish DH fleet, the required inventories of iron are approximately 2.8 Mt for the intermediate scenario, which represents 0.3% and 11.0% of the national reserves and annual metallurgical production rates of the national industry, respectively. In addition to the dispatchable heat, the process generates a significant amount of nondispatchable heat, especially for the case that employs low-temperature electrolyzers. This added generation capacity allows the process to cover the heat demand while decreasing the maximum capacity of the charging side computed herein. Full article
(This article belongs to the Special Issue New Frontiers in Renewable Energy Driven Combined Heat and Power Generation)
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14 pages, 3658 KiB  
Article
Comparison of District Heating Supply Options for Different CHP Configurations
by Pavel Ruseljuk, Andrei Dedov, Aleksandr Hlebnikov, Kertu Lepiksaar and Anna Volkova
Energies 2023, 16(2), 603; https://doi.org/10.3390/en16020603 - 4 Jan 2023
Cited by 4 | Viewed by 1575
Abstract
The article discusses the evaluation of potential heat production options for a large-scale district heating system in Narva (Estonia). Heat is currently generated at the Balti Power Plant’s CHP unit using local oil shale mixed with biomass. The CHP unit consists of two [...] Read more.
The article discusses the evaluation of potential heat production options for a large-scale district heating system in Narva (Estonia). Heat is currently generated at the Balti Power Plant’s CHP unit using local oil shale mixed with biomass. The CHP unit consists of two circulating fluidised bed boilers and a reheat steam turbine. According to the development strategy, the district heating system is expected to achieve carbon neutrality in the future. Various options and parameter variations should be analysed. The following scenarios were compared: (1) baseline scenario featuring an existing CHP extraction steam turbine; (2) alternative Scenario I featuring a CHP backpressure steam turbine; and (3) alternative Scenario II featuring a CHP gas turbine. To evaluate the above scenarios, a comprehensive energy/exergy analysis was performed, and economic indicators were calculated. The primary energy consumed, as well as the heat and electricity generated, were all taken into account. Based on this analysis, a scenario was selected using multiple-criteria decision-making that will improve energy efficiency and reliability of the system. Full article
(This article belongs to the Special Issue New Frontiers in Renewable Energy Driven Combined Heat and Power Generation)
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25 pages, 4336 KiB  
Article
Coupling Chemical Heat Pump with Nuclear Reactor for Temperature Amplification by Delivering Process Heat and Electricity: A Techno-Economic Analysis
by Aman Gupta, Piyush Sabharwall, Paul D. Armatis, Brian M. Fronk and Vivek Utgikar
Energies 2022, 15(16), 5873; https://doi.org/10.3390/en15165873 - 13 Aug 2022
Cited by 1 | Viewed by 1891
Abstract
The energy economy is continually evolving in response to socio-political factors in the nature of primary energy sources, their conversions to useful forms, such as electricity and heat, and their utilization in different sectors. Nuclear energy has a crucial role to play in [...] Read more.
The energy economy is continually evolving in response to socio-political factors in the nature of primary energy sources, their conversions to useful forms, such as electricity and heat, and their utilization in different sectors. Nuclear energy has a crucial role to play in the evolution of energy economy due to its clean and non-carbon-emitting characteristics. A techno-economic analysis was undertaken to establish the viability of selling heat along with electricity for an advanced 100 MWth small modular reactor (SMR) and four nuclear hybrid energy system (NHES) configurations featuring the SMR paired with chemical heat pump (ChHP) systems providing a thermal output ranging from 1 to 50 MWth. Net present value, payback period, discounted cash flow rate of return, and levelized cost of energy were evaluated for these systems for different regions of U.S. reflecting a range of electricity and thermal energy costs. The analysis indicated that selling heat to high temperature industrial processes showed profitable outcomes compared to the sale of only electricity. Higher carbon taxes improved the economic parameters of the NHES alternatives significantly. Providing heat to high temperature industries could be very beneficial, helping to cut down the greenhouse gases emission by reducing the fossil fuel consumption. Full article
(This article belongs to the Special Issue New Frontiers in Renewable Energy Driven Combined Heat and Power Generation)
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