Yanyan Chen — Researcher Analysis Report
Analysis Mode: fast | Analysis Time: 2026-03-16T00:03:39
Rating: Active Researcher (30.3/100)
Basic Metrics
| Metric | Value |
|---|---|
| Institution | Unknown |
| h-index | 10 |
| Total Citations | 375 |
| Recent 5 Years Citations | 0 |
| Total Papers | 101 |
| Papers in Top Conferences | 0 |
| Publication Period | 1990 - 2020 |
| Semantic Scholar | 9460406 |
Research Trajectory
Warning: This academic profile of “Yanyan Chen” suffers from a severe Name Disambiguation Failure. It is highly likely that Semantic Scholar has combined dozens of researchers with the same name “Yanyan Chen” into one profile. From the paper list, it is clear that: superconducting thin films in 1990, intelligent transportation in 2003, thermoacoustic cooling in 2007, schistosomiasis epidemiology in 2009, bamboo invasion ecology in 2013, thermoacoustic engines in 2014, shale gas geology in 2016, and topological quantum field theory in 2023 — there is no knowledge connection between these fields, and they cannot have been written by the same person. The h-index of 10 and 375 total citations corresponding to 101 papers also do not match the development trajectory of a single real researcher. The following analysis focuses on the most cited research threads in this mixed profile, rather than the academic trajectory of a single scholar.
Breakthrough Work
1. Shale Gas Formation and Occurrence in China: An Overview of the Current Status and Future Potential (2016)
Description: A systematic review of the geological origins, reservoir characteristics, and development potential of shale gas in China, cited 56 times. It is the most cited single paper in the profile and serves as an important review in the fields of Chinese shale gas policy and resource assessment.
Why it couldn’t be done before: Before 2016, there was insufficient data accumulation on shale gas exploration in China, and systematic geological evaluations in regions such as the Sichuan Basin were still in early stages. Meanwhile, the shale gas revolution in the United States provided a technical framework that made comparative studies possible.
Impact: It provided a systematic reference for domestic shale gas resource assessment and supported the planning discussions on shale gas development pathways at the energy policy level.
2. Plant species diversity and dynamics in forests invaded by Moso bamboo (Phyllostachys edulis) in Tianmu Mountain Nature Reserve (2013)
Description: Studies the impact of bamboo expansion on forest plant diversity in Tianmu Mountain Nature Reserve, cited 53 times. It is an important empirical study in bioinvasion ecology regarding the mechanism of bamboo spread.
Why it couldn’t be done before: Long-term monitoring data from targeted sites were required, and the long-term vegetation monitoring system in Tianmu Mountain was only improved in the late 2000s. At the same time, the ecological threat of bamboo expansion attracted systematic attention from the domestic ecology community in the early 2010s.
Impact: It provided ecological evidence for Chinese subtropical forest protection and bamboo management policies, and promoted research on the impact of bamboo expansion on biodiversity.
3. Heat transfer characteristics of oscillating flow regenerator filled with circular tubes or parallel plates (2007)
Description: Studies the heat transfer properties of an oscillating flow regenerator (a core component of thermoacoustic systems) in thermoacoustic cooling and cryogenic engineering, cited 35 times. It is a fundamental experimental study in these fields.
Why it couldn’t be done before: The mechanism of oscillating flow heat transfer is complex, and early measurement instruments were not precise enough to distinguish the heat transfer differences between circular tubes and parallel plates. The maturity of thermoacoustic system experimental platforms in the early 2000s made precise parametric studies possible.
Impact: It provided experimental basis for the optimized design of thermoacoustic refrigerators and thermoacoustic engines. Subsequent papers on thermoacoustic engines (cited 27–30 times) between 2014–2015 were based on this work.
4. Study of a liquid-piston traveling-wave thermoacoustic heat engine with different working gases (2014)
Description: Studies the performance of a traveling-wave thermoacoustic engine using different working gases, cited 30 times. It represents a systematic experimental exploration in thermoacoustic energy conversion using a liquid piston configuration.
Why it couldn’t be done before: Sealing and dynamic stability issues in liquid piston thermoacoustic systems were difficult to solve engineering-wise in the early days. The theory of traveling-wave thermoacoustics became mature after Backhaus & Swift (1999), and experimental verification work emerged in large numbers in the 2010s.
Impact: It promoted the transition of thermoacoustic engines from laboratory concepts to engineering applications, especially in the potential application of low-grade waste heat recovery.
5. An Evaluating Method of Public Transit Accessibility for Urban Areas Based on GIS (2016)
Description: Proposes a regional public transit accessibility evaluation method based on GIS (APTA concept), cited 21 times. It quantifies and integrates passenger behavior psychology and service scope into urban transportation planning.
Why it couldn’t be done before: Large-scale GIS spatial analysis was costly before the 2010s. The popularity of mobile internet and bus IC card data made behavior parameter calibration possible, transforming accessibility models from theory to practicality.
Impact: It provides a methodological tool for quantitative evaluation of urban public transportation planning and has certain reference value in the domestic urban transportation planning community.
Research Areas
- Thermoacoustic systems and cryogenic engineering (oscillating flow regenerator, traveling-wave thermoacoustic engines, heat pumps)
- Urban transportation planning and intelligent transportation systems (GIS accessibility, OD data, network reliability)
- Public health and epidemiology (schistosomiasis, thyroid function, diabetes prevention)
- Ecology and resource geology (bamboo invasion, shale gas resource assessment)
- Topological quantum field theory (topological order, Levin-Wen model) — likely a recent independent researcher
Methodological Evolution
Since this profile is a mixture of multiple researchers, it is impossible to describe the methodological evolution of a single researcher. Within each research thread: the thermoacoustic research line (2007→2014→2015) shows an engineering path from basic heat transfer experiments → system integration experiments → linear compressor drive; the transportation research line (2002→2007→2016→2017) gradually transitioned from early GIS+gene algorithm heuristic methods to quantitative evaluation based on behavior psychology models; papers on topological field theory emerging between 2023–2025 (quantum dual model, Levin-Wen model, Young diagrams of instantons) represent a theoretical physicist from a completely different field, with no connection to any other papers.
Domain Impact
This profile does not represent the domain impact of a single researcher. As a mixed profile, its 375 citations are distributed across at least 5–6 completely different disciplines, and none of these disciplines reaches a significant impact threshold (h-index=10). To evaluate the impact of any real researcher, deduplication through institution information, co-author networks, and email domain names is necessary. Recommendation: Any academic evaluation of this profile should first undergo manual deduplication; directly using this aggregated data will lead to serious misjudgment.
Top Cited Papers (Top 20)| # | Year | Reference | Title |
|—|——|——|——| | 1 | 2016 | 56 | Shale Gas Formation and Occurrence in China: An Overview of the Current Status and Future Potential | | 2 | 2013 | 53 | Plant species diversity and dynamics in forests invaded by Moso bamboo (Phyllostachys edulis) in Tianmu Mountain Nature Reserve. | | 3 | 2007 | 35 | Heat transfer characteristics of oscillating flow regenerator filled with circular tubes or parallel plates | | 4 | 2014 | 30 | Study of a liquid-piston traveling-wave thermoacoustic heat engine with different working gases | | 5 | 2015 | 27 | Investigation on the thermoacoustic conversion characteristic of regenerator | | 6 | 2016 | 21 | An Evaluating Method of Public Transit Accessibility for Urban Areas Based on GIS | | 7 | 2009 | 13 | Polycyclic aromatic hydrocarbons and polychlorinated biphenyl in surface sediments of Taihu Lake: the distribution, sources and risk assessment. | | 8 | 2015 | 13 | Experimental Investigation on a Linear-compressor Driven Travelling-wave Thermoacoustic Heat Pump | | 9 | 2009 | 11 | Heat transfer characteristics of oscillating flow regenerators in cryogenic temperature range below 20 K | | 10 | 2017 | 11 | Automatic Estimation of Road Slopes and Superelevations Using Point Clouds | | 11 | 2014 | 10 | A Novel Thermoacoustic System for Natural Gas Liquefaction | | 12 | 2019 | 10 | An Investigation of the Kinetics of the Heating Process for Parts Made of Carbon Fiber in the Process of Curing | | 13 | 1990 | 8 | Critical current density in GdBaCuO superconducting thin films prepared by d.c. magnetron sputtering using a single planar target | | 14 | 2018 | 8 | Dynamic performance of low-rise steel frame with exposed steel column base | | 15 | 2008 | 6 | Gestational month-specific reference ranges for TSH and thyroxine in Han nationality women in iodine sufficient area of China | | 16 | 2009 | 5 | Application of grey model to forecast incidence trend of intestinal infectious diseases | | 17 | 2019 | 5 | TC4 shot peening simulation and experiment | | 18 | 2020 | 5 | A Method of Evaluating the Curing Kinetics of Epoxy-Binder-Based Polymer Composite Materials | | 19 | 2003 | 4 | The model of optimum route selection in vehicle automatic navigation system based on unblocked reliability analyses | | 20 | 2008 | 4 | Effect of Rolling Massage on Particle Moving Behaviour in Blood Vessels |