Zachary Siagi

1.5k total citations · 1 hit paper
21 papers, 1.2k citations indexed

About

Zachary Siagi is a scholar working on Biomedical Engineering, Mechanical Engineering and Pollution. According to data from OpenAlex, Zachary Siagi has authored 21 papers receiving a total of 1.2k indexed citations (citations by other indexed papers that have themselves been cited), including 8 papers in Biomedical Engineering, 7 papers in Mechanical Engineering and 6 papers in Pollution. Recurrent topics in Zachary Siagi's work include Energy and Environment Impacts (5 papers), Thermochemical Biomass Conversion Processes (5 papers) and Biodiesel Production and Applications (4 papers). Zachary Siagi is often cited by papers focused on Energy and Environment Impacts (5 papers), Thermochemical Biomass Conversion Processes (5 papers) and Biodiesel Production and Applications (4 papers). Zachary Siagi collaborates with scholars based in Kenya, China and Germany. Zachary Siagi's co-authors include Joachim Werther, T. Ogada, Ernst‐Ulrich Hartge, Moses Arowo, George Adwek, Boxiong Shen, Ambrose Kiprop, Alex Muumbo, Makame Mbarawa and Paul M. Wambua and has published in prestigious journals such as SHILAP Revista de lepidopterología, Progress in Energy and Combustion Science and Renewable Energy.

In The Last Decade

Zachary Siagi

19 papers receiving 1.1k citations

Hit Papers

Combustion of agricultural residues 2000 2026 2008 2017 2000 250 500 750
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Combustion of agricultural residues
    2000 905 citations Joachim Werther, Ernst‐Ulrich Hartge et al. Progress in Energy and Combustion Science profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Zachary Siagi Kenya 7 870 202 198 187 179 21 1.2k
Antonio Gutiérrez Lavín Spain 15 1.1k 1.3× 157 0.8× 183 0.9× 135 0.7× 193 1.1× 26 1.6k
Jaap Koppejan Netherlands 8 886 1.0× 112 0.6× 211 1.1× 148 0.8× 139 0.8× 14 1.2k
Paola Giudicianni Italy 20 1.0k 1.2× 212 1.0× 242 1.2× 116 0.6× 150 0.8× 40 1.5k
M.A.A. Matos Portugal 20 1.3k 1.5× 221 1.1× 402 2.0× 143 0.8× 212 1.2× 56 1.8k
Won Yang South Korea 14 795 0.9× 144 0.7× 325 1.6× 111 0.6× 126 0.7× 41 1.2k
H. Gerhauser Netherlands 10 1.8k 2.1× 107 0.5× 364 1.8× 139 0.7× 215 1.2× 11 2.1k
Shahid Munir Pakistan 17 1.1k 1.3× 115 0.6× 297 1.5× 213 1.1× 112 0.6× 51 1.5k
Jean-Michel Commandré France 26 2.0k 2.3× 189 0.9× 406 2.1× 163 0.9× 213 1.2× 54 2.3k
Toby Bridgeman United Kingdom 9 1.8k 2.1× 89 0.4× 385 1.9× 268 1.4× 181 1.0× 12 2.1k
J. L. T. Azevedo Portugal 15 1.2k 1.4× 470 2.3× 265 1.3× 84 0.4× 149 0.8× 31 1.5k

Countries citing papers authored by Zachary Siagi

Since Specialization
Citations

This map shows the geographic impact of Zachary Siagi's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Zachary Siagi with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Zachary Siagi more than expected).

Fields of papers citing papers by Zachary Siagi

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Zachary Siagi. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Zachary Siagi. The network helps show where Zachary Siagi may publish in the future.

Co-authorship network of co-authors of Zachary Siagi

This figure shows the co-authorship network connecting the top 25 collaborators of Zachary Siagi. A scholar is included among the top collaborators of Zachary Siagi based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Zachary Siagi. Zachary Siagi is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Siagi, Zachary, et al.. (2025). Thermal and catalytic pyrolysis of waste plastic heavy distillate into diesel-like product. Applications in Energy and Combustion Science. 22. 100337–100337. 1 indexed citations
2.
Siagi, Zachary, et al.. (2024). Challenges in engineering education in addressing industry needs in Kenya. 2(1). 28–36.
3.
4.
Siagi, Zachary, et al.. (2022). Thermal Pyrolysis of Used Tyres to Produce Liquid Fuel: Process Optimization and How It Compares to Microwave Pyrolysis. SHILAP Revista de lepidopterología. 2022. 1–12. 5 indexed citations
5.
Siagi, Zachary, et al.. (2022). Predicting the techno-economic performance of a large-scale second-generation bioethanol production plant: a case study for Kenya. International journal of energy and environmental engineering. 14(1). 95–108. 1 indexed citations
6.
Siagi, Zachary, et al.. (2022). Optimization of Concentrated Sulphuric Acid Hydrolysis of Gadam Sorghum Stalks Found in Kenya for Fermentable Sugar Production. SHILAP Revista de lepidopterología. 2022. 1–13. 2 indexed citations
7.
Siagi, Zachary, et al.. (2021). Optimization of Liquid Fuel Production from Microwave Pyrolysis of Used Tyres. SHILAP Revista de lepidopterología. 2021. 1–11. 8 indexed citations
8.
Siagi, Zachary, et al.. (2021). Combustion Characteristics of Mui and Taru Basin Coal in a Fluidized Bed Combustor. SHILAP Revista de lepidopterología. 2021. 1–8. 1 indexed citations
9.
Siagi, Zachary, et al.. (2020). Waste to Energy: Heat Recovery from the Compost Reactor as a Source of Renewable Energy. 10(1). 10–15. 7 indexed citations
10.
Siagi, Zachary, et al.. (2020). In Situ Transesterification of Spirulina Microalgae to Produce Biodiesel Using Microwave Irradiation. SHILAP Revista de lepidopterología. 2020. 1–10. 16 indexed citations
11.
Siagi, Zachary, et al.. (2020). Effect of Formulation, Binder and Compaction Pressure of Rice Husk-Bagasse Briquettes on Thermal and Physical Properties. Journal of Scientific Research and Reports. 38–53. 6 indexed citations
12.
Siagi, Zachary, et al.. (2020). Design and Performance Evaluation of a Hydronic Type Compost Heat Exchanger. Cogent Engineering. 7(1). 3 indexed citations
13.
Adwek, George, et al.. (2019). The solar energy access in Kenya: a review focusing on Pay-As-You-Go solar home system. Environment Development and Sustainability. 22(5). 3897–3938. 58 indexed citations
14.
Kiprop, Ambrose, et al.. (2019). Factors affecting the number of household energy sources in Kenya: generalized linear model. 2 indexed citations
15.
Adwek, George, Boxiong Shen, Jiancheng Yang, et al.. (2019). Efficient conversion of NO with CeO2/TiO2 using non-thermal plasma. IOP Conference Series Earth and Environmental Science. 227. 62007–62007.
16.
Adwek, George, et al.. (2019). Economic investigation of low cost Organic Rankine Cycle incorporated in a combined solar photovoltaic cum thermal plant. IOP Conference Series Earth and Environmental Science. 227. 22026–22026. 1 indexed citations
17.
Siagi, Zachary, et al.. (2014). Comparative Study of Composite Made from Ensete False Banana Fibres and Polyethylene with Block Board. VNU Journal of Science: Natural Sciences and Technology (Vietnam National University). 6 indexed citations
18.
Muumbo, Alex, et al.. (2014). A Study on Agricultural Residues as a Substitute to Fire Wood in Kenya: a Review on Major Crops. Journals & Books Hosting (International Knowledge Sharing Platform). 12 indexed citations
19.
Siagi, Zachary & Makame Mbarawa. (2007). Experimental Investigation of the SO2 Abatement Capacity of South African Calcium-Based Materials. 121–126. 2 indexed citations
20.
Werther, Joachim, et al.. (2000). Combustion of agricultural residues. Progress in Energy and Combustion Science. 26(1). 1–27. 905 indexed citations breakdown →

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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