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Heat Transfer Research

Published 18 issues per year

ISSN Print: 1064-2285

ISSN Online: 2162-6561

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 1.7 To calculate the five year Impact Factor, citations are counted in 2017 to the previous five years and divided by the source items published in the previous five years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) 5-Year IF: 1.4 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 0.6 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00072 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.43 SJR: 0.318 SNIP: 0.568 CiteScore™:: 3.5 H-Index: 28

Indexed in

A NEW APPROACH TO NUMERICAL INVESTIGATION OF GFX AND POWER-PIPE DRAIN WATER HEAT RECOVERY (DWHR) SYSTEMS IN BUILDINGS

Volume 49, Issue 14, 2018, pp. 1339-1352
DOI: 10.1615/HeatTransRes.2018016060
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ABSTRACT

In this study, a new computational approach is introduced to numerically investigate the thermal characteristics of the vertical GFX and Power-Pipe Drain Water Heat Recovery (DWHR) systems. In a DWHR exchanger, drained warm water from showering passes through a pipe, and it transfers a part of its thermal energy to cold water flowing through a pipe coiled around the vertical one. This computational approach includes three steps: (i) fluid film thickness measurement in the vertical tube using 2D numerical and analytical calculations; (ii) 3D thermal modeling of the heat exchanger (two rings of the GFX exchanger and one ring of the power-pipe exchanger), and finally (iii) generalization of the results into more numbers of rings by using heat exchanger relations. The numerical approaches are based on the finite volume method. This methodology is validated by the experimental works of others and also by using the grid independence study. The main outputs and results include pressure drop in the coiled pipe, thermal effectiveness, and recovered heat energy. One of the important conclusions is that an increase in flow rate decreases the exchanger effectiveness.

CITED BY
  1. Pochwat Kamil, Kordana Sabina, Starzec Mariusz, Słyś Daniel, Comparison of two-prototype near-horizontal Drain Water Heat Recovery units on the basis of effectiveness, Energy, 173, 2019. Crossref

  2. Kordana Sabina, Pochwat Kamil, Słyś Daniel, Starzec Mariusz, Opportunities and Threats of Implementing Drain Water Heat Recovery Units in Poland, Resources, 8, 2, 2019. Crossref

  3. Piotrowska Beata, Słyś Daniel, Kordana-Obuch Sabina, Pochwat Kamil, Critical Analysis of the Current State of Knowledge in the Field of Waste Heat Recovery in Sewage Systems, Resources, 9, 6, 2020. Crossref

  4. Pochwat Kamil, Kordana-Obuch Sabina, Starzec Mariusz, Piotrowska Beata, Financial Analysis of the Use of Two Horizontal Drain Water Heat Recovery Units, Energies, 13, 16, 2020. Crossref

  5. Selimli Selcuk, Eljetlawi Ibrahim Ali M., The experimental study of thermal energy recovery from shower greywater, Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, 43, 23, 2021. Crossref

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