Tingzhen Ming

Wuhan University of Technology | WHUT · School of Civil Engineering and Architecture

The urban heat island effect is a widespread phenomenon in major cities worldwide, exerting significant impacts on urban environments, human health, and energy consumption, thus attracting extensive research interest. The manifestation of the urban heat island effect varies across different urban forms. This study employs a three-dimensional porous...

The construction industry is responsible for a significant amount of global energy consumption and CO2 emissions. To address this issue, phase change material (PCM) is commonly used as an effective heat storage material in building construction. It improves the thermal comfort of building occupants and reduces energy consumption. This paper provide...

Methane is the second largest contributor to global surface air temperature rise. Reducing atmospheric methane will mitigate climate change and improve air quality. Since the main sink of methane is the hydroxyl radical (OH) in the atmosphere, increasing OH concentration will accelerate the methane oxidation process and reduce methane concentration...

The idling of automobiles at street intersections can lead to pollutant accumulation which impacts the health of residents in street-facing buildings. Previous research focused on pollutant dispersion within street canyons and did not consider the coupling of indoor and outdoor pollutants. This paper employs the computational fluid dynamics (CFD) m...

The solar chimney power plant (SCPP) provides the approach to achieving carbon neutrality goals. The power generation of the system decreases drastically due to the ambient crosswinds (ACWs). In this paper, three wind resistant structures, including blockage wall, radial partition wall (RPW), and porous wall are adopted to weaken the effects of the...

The application of thermal diodes, which allow heat to flow more readily in one direction than the other, is an important way to reduce energy consumption in buildings and enhance the battery heat dissipation of electric vehicles. Depending on various factors including the specific design, materials used, and operating conditions, the convective th...

Thermoelectric cooling is an ideal solution for chip heat dissipation due to its characteristics of no refrigerant, no vibration, no moving parts, and easy integration. Compared with a traditional thermoelectric device, a thin-film thermoelectric device significantly improves the cooling density and has tremendous advantages in the temperature cont...

The downdraft energy tower is proposed in research as a new technology for green electricity in recent years. In this work, it is analyzed as an emerging greenhouse gas removal technology against climate change that provides multiple co‐benefits for the environment, in addition to green electricity. Compared to other negative emission technologies,...

The techniques for the removal of methane from the atmosphere are highly challenging due to its stable chemical properties, dispersed sources, and low concentrations. This paper proposes a practical small-scale solar chimney (SC) in buildings with photocatalytic reactors (PCRs) for atmospheric methane removal. Two comprehensive numerical models on...

A fabric air dispersion system (FADS) is a type of flexible air supply system that integrates air transmission and distribution. This innovative system has the potential to address common issues such as uneven air supply and surface condensation, which are often associated with traditional ventilation systems. Existing numerical simulation studies...

The increase of 1.09 °C in global temperature resulted in significant catastrophes because of the extreme climate. The climate change rate can be slowed down by reducing the levels of CH4 and CO2 in the atmosphere. The solar chimney power plant integrated with a honeycomb photocatalytic reactor (SCPP-HPCR) uses the photocatalytic technology to remo...

Many crystals in nature have simple interatomic microstructures, such as simple cubic (SC), body-centered cubic (BCC), and face-centered cubic (FCC) lattice symmetries, making these structures extremely stable. Inspired by these arrangements, a series of architected micro-channel heat exchangers with rationally designed 3D microstructures were esta...

Pollutant distribution remains poorly understood when traffic tidal flows (TTFs) happen. By conducting computational fluid dynamic (CFD) simulations, the research efforts first focus on how different-side traffic-produced flow and turbulence (TPFT) affect in-canyon airflow and corresponding pollutant dispersion. Second, the composite effects of non...

A simplified solar updraft device adapted from the Trombe wall concept was built to process large‐scale airflow using only solar energy. The performances were systematically studied using experimental measurements and numerical models, with the focus of investigating whether this device can generate enough airflow under low solar intensities, and d...

According to the latest report from the intergovernmental panel on climate change (IPCC), currently, global warming due to methane (CH4) alone is about 0.5°C while due to carbon dioxide (CO2) alone is about 0.75°C. As CH4 emissions will continue growing, in order to limit warming to 1.5˚C, some of the most effective strategies are rapidly reducing...

Methane's global warming potential (GWP) is much larger than carbon dioxide and contributes significantly to global warming. Solar chimney power plant (SCPP) integrated with photocatalytic reactors can capture and remove atmospheric methane, and generate electrical power without fossil energy consumption simultaneously. In this paper, the performan...

Methane (CH4) is a potent greenhouse gas. Solar‐driven gas phase advanced oxidation processes can fill the technology gap for CH4 removal. In their Review (DOI: 10.1002/chem.202201984). Li, Mu, et al. analyse the challenges and prospects and propose some ideas for the research in this area.

Methane (CH4) is a potent greenhouse gas and the second highest contributor to global warming. CH4 emissions are still growing at an alarmingly high pace. To limit global warming to 1.5 °C, one of the most effective strategies is to reduce rapidly the CH4 emissions by developing large‐scale methane removal methods. The purpose of this perspective p...

The greenhouse effect is exacerbated as greenhouse gas concentrations rise. Capturing and degrading methane in the atmosphere can effectively slow the trend of global temperature rise. The solar chimney power plant integrated with photocatalytic reactor (SCPP‐PCR) is a promising concept for both clean electricity generation and large‐scale atmosphe...

The terms “global warming” and “climate change” refer to the large-scale impacts of human actions such as the burning of fossil fuels and extensive deforestation that contribute to a rise in the level of greenhouse gases in the atmosphere [...]

The utilization of solar energy to maintain a stable and comfortable air temperature in the built environment has opened up many opportunities for energy saving. However, the periodical nature of the sunlight intensity introduced extra difficulty in the utilization of solar energy. In this paper, a novel concept of jointly using a thermal diode bri...

The thermoelements of the traditional thin-film thermoelectric cooler (TEC) are connected electrically in series, thus the performance of traditional thin-film TEC reduces sharply when there is something wrong with any thermoelement. On account of this deficiency, we proposed a novel thin-film TEC with a couple of thermoelements electrically connec...

Abstract: The thin-film thermoelectric cooler (TEC) is a promising solid-state heat pump that can remove the high local heat flux of chips utilizing the Peltier effect. When an electric current pulse is applied to the thin-film TEC, the TEC can achieve an instantaneous lower temperature compared to that created by a steady current. In this paper, w...

In this paper, a framework for the system level optimization of the thin-film thermoelectric cooler (TFTEC) in 3D electronic packaging is developed based on Taguchi-Grey method. The influences of the size effect, the geometric effect, the parasitic effect and the localized hotspot are comprehensively considered. An L25 (5⁶) orthogonal array is empl...

Electric vehicles (EV) played an important role fighting greenhouse gas emissions that contributed to global warming. The construction of the charging pile, which was called as the "gas station" of EV, developed rapidly. The charging speed of the charging piles was shorted rapidly, which was a challenge for the heat dissipation system of the chargi...

In this paper, a one-dimensional thermodynamic model was developed to evaluate the device-level performance of thermoelectric cooler (TEC) with the Thomson effect, contact resistance, gap heat leakage, heat sink, and heat load taken into account. The model was generalized and simplified by introducing dimensionless parameters. Experimental measurem...

Methane's contribution to radiative forcing is second only to that of CO2. Though previously neglected, methane is now gaining increasing public attention as a GHG. At the recent COP26 in Glasgow, 105 countries signed “the methane pledge” committing to a 30% reduction in emissions from oil and gas by 2030 compared to 2020 levels. Removal methods ar...

Impinging jet played an important role in cooling technology. The steady-state jet could be transformed into an oscillatory one based on the intrinsic flow instability mechanisms by using self-oscillating fluidic oscillators. In this paper, a high-performance microchannel heat exchanger based on a fluidic oscillator array was presented. The fluidic...

Due to the alarming speed of global warming, greenhouse gas removal from atmosphere will be absolutely necessary in the coming decades. Methane is the second most harmful greenhouse gas in the atmosphere. There is an emerging technology proposed to incorporating photocatalysis with solar updraft Towers (SUT) to remove methane from the air at a plan...

Methane (CH4) is the second largest contributor to global warming among all greenhouses gases. A solar chimney power plant integrated with a photocatalytic reactor (SCPP-PCR) is a promising large-scale method for removing CH4 from the atmosphere. This study used computational fluid dynamics (CFD) to investigate the performance and factors influenci...

The urban heat island (UHI) effect resulted from urbanization as well as industrialization has become a major environmental problem. UHI effect aggravates global warming and endangers human health. Thus, mitigating the UHI effect has become a primary task to address these challenges. This paper verifies the feasibility of a three-dimensional turbul...

The rapid development of cities worldwide and the expansion of a global economy have rendered climate change one of mankind's most severe challenges. The built environment has become a major focus for research into ways to reduce the climate effects of urban areas. Researchers who seek to model the performance of a large group of buildings, however...

In this paper, the influences of the ambient wind speed and the height and width of a viaduct in a 2-dimensional street canyon on the diffusion of reactive pollutants emitted by motor vehicles were investigated using computational fluid dynamics (CFD) method. Pollutants were treated as reactive by including a NO-NO2-O3 photochemical reaction mechan...

During their rapid economic development and industrialization, megacities in the developing nations with high populations (especially in the east and south Asia) are plagued by severe air pollution problems (e.g., heavy haze), which impose a threat not only to public health but also to the sustainable development of society and the economy. To reli...

Outdoor air pollution is a significant global issue because it poses a major long-term health risk. A growing number of studies are conducted to develop local mitigation strategies for improving air quality. This review paper critically evaluates the available literature to provide a better understanding of potential local mitigation strategies and...

Fulfilling the Paris Climate Agreement requires reducing rapidly the new emissions of greenhouse gases (GHGs) to reach net zero by 2050. As some anthropogenic emissions cannot be zero, to compensate them it will be necessary to remove GHGs from the atmosphere. Among possible methods, the Iron Salt Aerosol (ISA) offers new possibilities, including r...

Vehicle emissions are an important factor in the deterioration of air quality in urban street canyons. To improve the air quality in urban street canyons, it is necessary to have a deep understanding of the mechanism of pollutant dispersion within the urban boundary layer. The transport process of pollutants in street canyons is essentially a conve...

Cities are facing significant challenges due to low outdoor air quality. Hence, a growing number of studies have been conducted to develop strategies for improving air quality. This paper provides a comprehensive and systematic review of the mechanisms and effects of various mechanical measures and urban morphology on pollutant dispersion in an urb...

The freeze-melting process can be a viable method for the purposes of desalination because of its low energy consumption, ignorable corrosion issues, and without huge pressure or membrane replacement work. Large contact area for heat and mass transfer per unit mass of water between the water and air and low heat resistance results in higher energy...

The microenvironment, which involves pollutant dispersion of the urban street canyon, is critical to the health of pedestrians and residents. The objectives of this work are twofold: (i) to effectively assess the pollutant dispersion process based on a theory and (ii) to adopt an appropriate stratigy, i.e., wind catcher, to alleviate the pollution...

Moving vehicles are the primary emission source of road pollution and the vehicle-induced turbulence (VIT) affecting the flow field in the street canyon. This paper used the dynamic mesh updating method to simulate the air pollution under the real situation of vehicle movement and exhaust emission in the street canyon. The dispersion characteristic...

The turbulence induced by moving vehicles influences the flow field and pollutant dispersion in street canyons. In this paper, an ambient crosswind-vehicle movement mathematical model was established to analyze the turbulent kinetic energy(TKE) that is induced by a single vehicle for different wind directions; a new method--dynamic mesh updating me...

Increasing traffic emission presents a high risk of exposure to residents in near-road buildings. Traffic tidal flow (TTF) has gradually become one of the most important components of urban traffic congestion. By computational fluid dynamics simulation, the present study examines the airflow, spatial distribution of pollutant concentration, and per...

With the rapid increasing heat fluxes released from micro electronic devices, thermal management of electric components faces huge challenge. High working temperature generated by the chip will directly affect its performance. It is essential to develop advanced model to enhance heat transfer. In this study, a new microchannel heat sinks with impin...

Atmospheric methane concentration is currently increasing, due to anthropogenic fugitive emissions from fossil fuels, livestock, wetlands, rice paddies, … Accelerating permafrost thawing might release large amounts of methane and CO2. Submarine reserves of methane-hydrates could release large quantities of methane in a short time. The global warmin...

We made a presentation made on 11th Sept. 2019 at Westminster in London UK, to the Institution of Mechanical Engineers. https://events.imeche.org/ViewEvent?code=TDB6974 Overview With the UK Parliament joining many other national governments and international institutions in declaring a climate emergency, new impetus has been given to radical app...

A three-dimensional, nonlinear, and dynamic finite element model coupling the thermal, electrical, and mechanical fields was established to investigate transient thermal stress of the integrated thermoelectric cooler (TEC) under the pulsed thermal load. The model considered the temperature-dependent material properties. Results showed that pulsed t...

Global Warming will probably modify air circulation patterns and increase the severity of droughts, heat waves, heavy precipitation, and floods across the world. A device called ‘aerological accelerator’ (AeAc) is proposed in this paper to harvest water from the air using a very high tower where the warm and humid air enters from the bottom and ris...

The gas-liquid membrane contactor forms a gas-solid-liquid interface and has a high potential for the applications in gas adsorption, catalysis, energy exchange and so on. Porous superhydrophobic membranes show a great gas separation/adsorption ability. However, the complicated device architecture and the durability issue are normally concerned esp...

In order to attain an efficient path into the enhancement of the sustainable conservation and management of energy resources in the buildings and residential sections, efforts by all relevant institutions in the area of energy are essential and primitive. Hence, the development of the energy supply model in the building and the provision of fundame...

Moving vehicles exert a considerable influence on air flow and turbulence within urban street canyons, which is an important consideration for the pollutant dispersion and thus, local air quality management. In order to evaluate vehicle-induced turbulence and its contribution to pollutant dispersion, this study proposes a computational fluid dynami...

A green approach is employed to prepare mechanically enhanced composites by adding noncovalently proanthocyanidin (PC)‐modified graphene (PC‐rGO) into poly(vinyl alcohol) (PVA). Ascorbic acid (AA) is used as the reducing agent, and PC is used as a dispersant to synthesize low‐defect and fully dispersed graphene. After static treatment, the PC‐rGO s...

Thermoelectric cooler (TEC) is a solid-state component that utilizes Peltier effect to dissipate the heat of the electronic packaging system. It shows unique advantages over conventional cooling technology by quiet operation, long lifetime, and ease of integration. However, the internal heat accumulation caused by Joule heat exposes the TEC to the...

Any effort with the aim of increasing the total electrical power generation (EPG) due to the existed constraints in vessels is desired in power plants. Using Organic Rankine Cycle (ORC) for recovering waste heat of an exhausting gas is considered as an auxiliary way for improving EPG value. In this study, four ORC arrangements were first modeled fo...

Surging in energy demand makes it necessary to improve performance of plant equipment and optimize operation of thermal power plants. Inasmuch as thermal power plants depend on fossil fuels, their optimization can be challenging due to the environmental issues which must be considered. Nowadays, the vast majority of power plants are designed based...

Micro-CHP systems are designed to reduce energy consumption in the present era. In this study, micro- CHP systems with a solar-powered Stirling engine are designed for use in similar buildings in three different climates of Iran. These solar systems are highly dependent on weather conditions in different cities. Modeling and optimizing to reduce co...

It is believed that fossil fuel sources are exhaustible and also the major cause of greenhouse gas emission. Therefore, it is required to increase the portion of renewable energy sources in supplying the primary energy of the world. In this study, it is focused on application of nanotechnology in exploitation of renewable energy sources and the rel...

The book: Managing Global Warming: An Interface of Technology and Human Issues discusses the causes of global warming, the options available to solve global warming problems, and how each option can be realistically implemented. It is the first book based on scientific content that presents an overall reference on both global warming and its soluti...

Fossil fuels are exhaustible and their consumption causes environmental problems. As a result, renewable energy resources, specifically solar energy, should be utilized more to overcome the aforementioned issues. The biggest problem with renewable energy utilization is that their capital cost is very high. To tackle this problem, renewable energies...

This paper aims to investigate a hybrid cycle consisting of a molten carbonate fuel cell (FC) and a Stirling engine which, by connecting to a seawater reverse osmosis desalination unit, provides fresh water. First, a parametric evaluation is performed to study the effect of some key parameters, including the current density and the working temperat...

Nowadays electronic devices’ increasing in power density and shrinking in size make it hard to remove the heat. The resulting uneven energy dissipation and high local heat flux density create hotspots that deteriorate the thermal environment. The thermoelectric cooler (TEC) is a promising solid-state heat pump that utilizes the Peltier effect to di...