Hongwei Tan

Hongwei Tan
Tongji University · Machenical & energy engineering

PhD

About

75
Publications
14,804
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2,224
Citations
Citations since 2017
21 Research Items
1230 Citations
2017201820192020202120222023050100150200
2017201820192020202120222023050100150200
2017201820192020202120222023050100150200
2017201820192020202120222023050100150200

Publications

Publications (75)
Article
The widespread development and application of virtual sensors in buildings will play an important role in promoting industry change and achieving smart buildings. In this study, a virtual monitoring method of pump flow rate was developed and verified. First, the pump flow parameter model was constructed based on pump operating parameters. Then, the...
Chapter
Although natural ventilation can save substantial energy in buildings, it is difficult to apply natural ventilation in high-rise public buildings due to the unexpected high wind speed and large noises on higher floors. To this end, this study investigates the effectiveness of passive natural-ventilated facade devices for high-rise public buildings....
Conference Paper
Natural ventilation can save substantial energy in buildings. However, it is difficult to apply natural ventilation in high-rise public buildings due to the unexpected high wind speed and large noises on higher floors. To this end, this study focuses on investigating the effectiveness of passive natural-ventilated facade devices for high-rise publi...
Article
A building energy benchmark indicates the reasonable level of energy demand, and it facilitates the policy making when facing with uncertain information at the planning stage. Traditional benchmarks are established based on statistical indicators or physical simulations of prototype buildings, while the diversified consumption levels of various bui...
Article
For the purpose of building energy efficiency, the regional building energy benchmarking is indispensable for a district at planning stage. In this paper, a new approach is proposed by the combination of quota-level analysis and Lorenz curve, instead of the traditional simulation or coarse estimation by indicators. Firstly, the cumulative probabili...
Article
Full-text available
River water source heat pump (RWSHP) systems are considered to be one of the most promising technologies for energy saving and sustainable development. In order to evaluate the actual operation effect of RWSHP systems in hot summer and cold winter area in China, the heating and cooling performance of a RWSHP system for an energy station in shanghai...
Article
Full-text available
For the purpose of applicable regional assessment of the residential roof-mounted PV, a di-mensionless estimation based on the multi-criteria database is carried out in this paper. With Energy-Economic-Environment relevant factors incorporated in GIS, a dimensionless index was protocoled as the regional substitution rates of distributed rooftop PV...
Article
Full-text available
This study investigates a naturally-ventilated photovoltaic (PV) façade for high-rise buildings by conducting simulation study. Computational fluid dynamics (CFD) approach was adopted for modelling the temperature and airflow distributions around the naturally-ventilated and conventional PV facades of a case building. The simulation results show th...
Article
Full-text available
Background Sugarcane (Saccharum officinarum L.) is an economically important crop, mainly due to the production of sugar and biofuel (Azevedo RA, Carvalho RF, Cia MC, & Gratão PL, Trop Plant Biol 4:42-51, 2011). Grown mainly in tropical and subtropical countries, sugarcane is a highly polyploid plant with up to ten copies of each chromosome, which...
Article
Full-text available
Reasonable regional energy benchmarking of public buildings can assist the energy supervision and planning from the government point of view, especially when faced with the uncertain features of planning stage. With 195 samples of three public building types, the Lorenz curve was introduced to present the distribution inequality and diversity of en...
Article
Full-text available
Solar photovoltaic systems are commonly utilized in China. However, the associated research is still lack of its resource potential analysis in all regions in China. Based on the existed data about solar radiation and system conversion efficiency data, a new method for distributed photovoltaic potential assessment has been presented. The experiment...
Article
Full-text available
Residents of Southern China are increasingly concerned about the space heating in winter. The chief aim of the present work is to find a cost-effective way for residential space heating in Shanghai, one of the biggest city in south China. Economic and energy efficiency of three residential space heating ways, including ground source heat pump (GSHP...
Article
Full-text available
Accurate and highly-generalized forecasting models of hourly electric power demand are in urgent need for buildings, as to be the basis of operation management and bottom-up regional energy forecasting. Combined with multi-resolution wavelet decomposition (MWD), a hybrid support vector regression model was applied in a non-stationary operated hotel...
Article
Night sky radiant cooling is one of such promising natural techniques that can be worth a high recommendation. In this study, a novel design of night sky radiation heat exchanger is proposed, and its influencing factors were evaluated by the experimental investigations. The night sky radiant cooling performance of duct-type heat exchanger under dif...
Article
Reliable and highly-generalized prediction models of short-term electric demand are urgently needed for the building sector, as the crucial basis of sophisticated building energy management. Advances in metering technologies and machine learning methods provide both opportunities and challenges for modified approaches. With multi-resolution wavelet...
Article
For air conditioning system with multiple chillers, sequencing control is crucial in achieving operating energy efficiency while maintaining indoor thermal comfort in commercial buildings. In this study, an optimal strategy was proposed to improve the chiller sequencing control for energy efficient and reliable operation. The chiller model and the...
Article
Full-text available
At the background of urbanization in China, energy consumption of buildings has been ranked as the second largest sector among the industry, building and transportation. Consequently, the renewable energy adopted in buildings has been quickly developed since the Chinese policy, which shifts 60% of total photovoltaic applications to the building sec...
Article
Full-text available
Governments around the world are establishing technological routes and tactics for low/zero-energy buildings to reduce emissions and energy use. This paper describes a hybrid renewable energy system developed for a net-zero energy low-rise residential building located in Shanghai, China. This hybrid renewable energy system consists of a water-based...
Article
This paper puts forward a concept of 'potential carbon' and gives a definition analogous to potential energy. Potential carbon explains: (1) what is the driving force of the difference of carbon emissions, and (2) what is the position in the force field. On the basis, an approach about potential carbon analysis is developed to investigate a physica...
Article
Full-text available
A structurally non-planar molecule () with a 9,9'-spirobi[9H-fluorene] (SBF) core and four perylenediimides (PDIs) at the periphery was designed, synthesized and characterized. This compound shows a low-lying LUMO energy level of -4.11 eV, which is similar to that of PCBM, but with intensive light absorption ability in the range 450-550 nm. A high...
Article
Full-text available
Increasing the amount of shaded area is regarded as one of the most efficient strategies to improve thermal comfort in summer. The objective of this study is to propose urban design strategies using an analytical simulation proven to create better thermal comfort for pedestrian areas in a city characterised by a sub-tropical climate. Shaded pedestr...
Article
Solar photovoltaic (PV) systems are widely utilized in our country. However, the associated study about its resource potential analysis is still short of in variant districts. Based on the existed data about solar radiation and conversion efficiency, methods for photovoltaic potential assessment were established. An experiment platform for three co...
Article
The higher education is experiencing a rapid development in China, with the sharp increase of energy use and the low level of campus facility operation. Meanwhile, with the responsibility for knowledge transformation, sci-tech talents cultivation and technical innovation, universities are of great importance in the development of the sustainable so...
Article
Full-text available
This paper discusses the influence of buildings on the surrounding wind environment in a high-density area with a transit-oriented development (TOD) planning concept. TOD requires the support of public transportation, and therefore it emphasizes better pedestrian walking environments. Based on the preliminary scheme, a subway station in Shanghai is...
Article
Full-text available
This study analyzes the PV potential on rooftops and vertical facades in the research area of West Central District of Tainan City, a rich insolation area in Taiwan. By using the energy calculating software EnergyPlus and the grid-based computational fluid dynamics (CFD) software Windperfect, the electrical energy generated by PV modules on vertica...
Article
Background This randomized prospective study compared three ablation strategies in patients with long-standing persistent atrial fibrillation (LPeAF). It also explored the best procedural endpoint from among the following: circumferential pulmonary vein isolation (PVI) + left atrial (LA) linear lesions (roofline, mitral isthmus) + complex fractiona...
Article
Atrial fibrillation (AF) is the most common form of sustained cardiac arrhythmia worldwide. Here we investigate the molecular and cellular mechanisms of lone AF-linked germline mutations in the connexin40 (Cx40) gene, GJA5. The entire coding region of GJA5 was sequenced in 68 unrelated patients with lone AF. A novel germline heterozygous missense m...
Article
This paper first compares with international incentive policies, reviews some relevant incentive measures in China. Meanwhile, introduce the content of the critical subsidy policies in detail, summarize its positive impact on PV industrial development, and analyze a few of representative unreasonable problem in the process of policy application. Fi...
Article
Full-text available
The renin-angiotensin-aldosterone system (RAAS) plays a key role in atrial structural and electrical remodeling. The aim of this study was to investigate the potential associations of angiotensin-converting enzyme (ACE) gene insertion/ deletion (I/D) and aldosterone synthase (CYP11B2) gene -344T/C polymorphisms with the risk and recurrence of lone...
Article
Traditional energy planning methods emphasize the total energy supply equaling to the total demand and neglect details of the distribution in energy demand and supply within a region or city. An improved two-step floating catchment area (2SFCA) method is developed to reflect internal heterogeneity in energy demand and/or supply and address interact...
Article
The activation of transforming growth factor-β1(TGF-β1)/Smad signaling pathway and increased expression of connective tissue growth factor (CTGF) induced by angiotensin II (AngII) have been proposed as a mechanism for atrial fibrosis. However, whether TGFβ1/non-Smad signaling pathways involved in AngII-induced fibrogenetic factor expression remaine...
Article
Atrial fibrillation (AF) is the most common type of sustained cardiac arrhythmia and is associated with substantial morbidity and mortality. Increasing evidence demonstrates that hereditary defects are involved in the pathogenesis of AF. However, AF is of remarkable genetic heterogeneity, and the heritable components responsible for AF in the major...
Article
Full-text available
Natural ventilation was studied considering fluctuating wind direction. A long-term field measurement offered rich fundamental data of wind and then the characteristics of wind direction were analyzed. Wind tunnel experiment in which the wind direction was fluctuating was carried out and unsteady CFD simulations were done as well. Both qualitative...
Article
The purpose of this study is to investigate the mechanism and the effectiveness of ablation of atrial tachycardia (AT) recurring after atrial fibrillation (AF) ablation in patients with rheumatic valvular disease (RVD) and mitral valve prosthesis. Twenty-eight consecutive patients with RVD and mitral valve prosthesis and a 1:2 matched control group...
Article
Atrial fibrillation (AF) is the most common cardiac arrhythmia seen in clinical practice, with an estimated prevalence of 1-2% in the general population. The incidence of AF increases dramatically with age, ranging from less than 1% in patients under 60 years of age to almost 10% in those aged 80 and over (1). AF is associated with substantial morb...
Article
The success and complication rates of atrial fibrillation (AF) ablation may be related to regional differences in left atrial (LA) wall thickness. The purpose of this study was to investigate the transmural LA wall thickness in various regions. We measured LA wall thickness in 36 human heart specimens using calipers at three planes including left p...
Article
The performance of wind driven natural ventilation is influenced significantly by the boundary conditions set for the wind. In real conditions the wind direction is fluctuating constantly so it is important to consider this fluctuation in experiments and simulations. This paper investigates the influence of fluctuating wind direction on cross-venti...
Article
In this study, the material-based energy use and carbon emission over the life cycle of a bamboo-structure residential building prototype with innovative insulation technologies are analyzed. In comparison with a typical brick-concrete building, the bamboo-structure building requires less energy and emits less carbon dioxide to meet the identical f...
Article
Atrial fibrillation (AF) is the most common sustained cardiac arrhythmia and a major source of the substantially increased morbidity and mortality. Growing studies demonstrate that genetic defects play pivotal roles in a subgroup of AF. However, AF is a genetically heterogeneous disorder and the molecular basis of AF in a majority of cases remains...
Article
This paper presents an experimental study on the impact of reflective coatings on indoor environment and building energy consumption. Three types of coatings were applied on identical buildings and their performance was compared with three sets of experiments in both summer and winter. The first experiment considers the impact of coatings on exteri...
Article
Inflammation plays an important role in the pathophysiology of the metabolic syndrome (MS). We determined whether the overexpression of interleukin (IL)-18 could aggravate left ventricular (LV) remodeling and diastolic dysfunction in fructose-fed rats (FFRs). To create an animal model for MS, male Wistar rats received 10% fructose in water for 8 mo...
Article
Catheter ablation and surgical Maze procedure are effective in treating atrial fibrillation (AF) patients. However, there is no study that compares the effect of circumferential pulmonary vein isolation (CPVI) combined with substrate ablation after valvular surgery and the concomitant Maze procedure for the treatment of AF in patients with rheumati...
Article
This research was aimed at screening connexin40, a cardiac gap junction protein alpha 5, for genetic defects in patients with familial atrial fibrillation (AF). The subjects included 218 unrelated families with lone AF and 200 ethnically matched unrelated healthy individuals as controls. The entire coding region of the connexin40 gene was sequenced...
Article
Atrial fibrillation (AF) is the most common sustained cardiac arrhythmia associated with substantial morbidity and mortality. Genetic variants play important roles in the pathogenesis of AF. However, AF is a genetically heterogeneous disorder, and the genetic determinants in most patients with AF remain to be identified. In this study, the entire c...
Article
The left ventricular synchronicity in hypertensive patients with overweight or obesity has not been well elucidated. This study was designed to evaluate the left ventricular synchronicity in these patients. Tissue Doppler imaging was performed in 126 hypertensive patients and 25 control subjects. The hypertensive patients were divided into three gr...
Article
Atrial fibrillation (AF) is the most common sustained cardiac arrhythmia associated with substantial morbidity and significant mortality. The familial aggregation of AF elsewhere in the world has been documented. This investigation sought to evaluate familial aggregation of lone AF in the Chinese population. The study population included 382 unrela...
Article
Although considerable evidence implicates the cytokine interlukin-18 (IL-18) in metabolic syndrome (MetS), the direct effect of IL-18 on vascular changes of MetS remains unknown. We investigated the chronic in vivo effect of IL-18 on development of MetS and vascular inflammation and remodeling by overexpressing IL-18 protein in fructose-fed rats (F...
Article
Catheter ablation is effective in treating patients with atrial fibrillation (AF). The aim of the study was to evaluate the safety, efficacy and outcome of catheter ablation for AF in octogenarians. 377 consecutive patients were divided into three groups based on age: ≥80 years (group 1; n=49), 70-79 years (group 2; n=151), 60-69 years (group 3; n=...
Article
The risk of developing atrial fibrillation is increased in patients with metabolic syndrome, but atrial conduction properties are uncharacterized in patients who have metabolic syndrome without atrial arrhythmia. We used tissue Doppler imaging to evaluate intra- and interatrial synchronicity in such patients. The imaging was performed in 145 patien...
Article
Vascular complications associated with diabetes are the major cause for the increased morbidity and mortality in diabetic patients. However, the progression of vascular complications in diabetes is not well understood. We aimed to investigate the biomechanical and biochemical changes associated with vascular dysfunction in diabetic rats. Male Wista...
Article
Complex fractionated atrial electrograms (CFAE) is distributed at preferential sites of atrium, and the mechanism underlying CFAE is not fully understood. We hypothesized that preexisting atrial abnormalities may be involved in the formation of CFAE. Twelve pigs were subjected to acetylcholine infusion and right atrial pacing to induce sustained at...
Article
To assess the left ventricular (LV) diastolic and systolic synchronicity in patients with metabolic syndrome. Tissue Doppler echocardiography was performed in 235 individuals (135 with metabolic syndrome and 100 controls). Diastolic and systolic synchronicity was determined by measuring the SD of time to peak myocardial early diastolic relaxation a...
Article
The present study aimed to investigate cardiac structural and functional alterations in patients with metabolic syndrome (MS) and to compare those with control subjects. Strain and strain rate (SR) imaging were preformed in 200 patients with MS and 197 normal subjects. The patients were further divided into Group 1 (with three metabolic disorders)...
Article
Metabolic syndrome is associated with an increased incidence of atherosclerosis. Clinical studies have shown that calcium channel blockers (CCB) inhibit the progression of atherosclerosis. However, the underlying mechanism is unclear. We investigated the inhibitory effect of felodipine on adhesion molecular expression and macrophage infiltration in...
Article
Insulin resistance is the physiopathologic foundation of metabolic syndrome. TRB3 has been revealed to be involved in insulin resistance in the liver by interacting directly with Akt and blocking its activation. Our investigation aims at exploring the relationship between metabolic syndrome and TRB3 mRNA expression in adipose tissue of rats. Two gr...
Article
Hypertension alters the diastolic properties of the left ventricle and results in deterioration in the structure and function of the left atrium. We aimed to evaluate whether olmesartan medoxomil has an effect on left atrial function in hypertensive patients. Fifty hypertensive patients and 20 controls were included in the study. Hypertensive patie...
Article
The influence of left ventricular hypertrophy (LVH) on left ventricular synchronicity, and the prevalence of left ventricular dyssynchrony in hypertensive patients with LVH are unknown. The purpose of this study was to determine the influence of LVH on left ventricular synchronicity in hypertensive subjects. Tissue Doppler imaging (TDI) was perform...
Article
Visfatin is a newly identified adipocytokine and recent studies indicated that visfatin may have potential proinflammatory effect. However, its pathophysiological role in the metabolic syndrome (MetS) is not fully understood. In this study we investigated whether serum visfatin levels is altered in patients with the MetS, and compared the levels of...
Article
Strain rate (SR) imaging has been applied to the detection of regional left ventricular (LV) dysfunction but not as much to the assessment of left atrial (LA) function. We aimed to assess atrial myocardial properties during atrial fibrillation (AF) by myocardial velocity, SR and strain, focusing on the effects of hypertension and atrial arrhythmias...
Article
Metabolic syndrome is associated with accelerated macrovascular and microvascular coronary disease, cardiomyopathy, and elevated inflammatory status. To determine whether metabolic syndrome-associated elevation of the inflammatory cytokine interleukin-18 (IL-18) in serum and cardiac tissue, and its potential sequelae could be attenuated pharmacolog...
Article
Left ventricular (LV) systolic synchronicity is impaired in hypertensive patients. Ventricular arrhythmias often co-exist in hypertensive patients; hypertension and ventricular arrhythmias have an adverse impact on cardiac function. However, the influence of ventricular arrhythmias on LV synchronicity was not clear. The objective of the present stu...
Article
Despite normal indices of left-ventricular (LV) chamber function, patients with hypertension are thought to have depressed LV midwall systolic shortening. This study was designed to investigate effects of short-term therapy with cilnidipine on LV midwall fractional shortening (mFS) in Chinese patients with hypertension. Thirty-seven patients with m...
Article
Hypertension is an important risk factor for myocardial infarction and stroke. Accumulating data support the association of blood pressure and impairment of fibrinolysis in hypertensive patients. Fibrinolysis plays a pivotal role in atherogenesis, but there are few studies that focus on evaluating the effect of calcium channel antagonists on fibrin...
Article
This paper aims at developing an optimal design procedure of a hybrid air-conditioning system of cooled ceiling (CC) and displacement ventilation (DV) systems to meet the demand of both thermal comfort and air quality environment in the occupied zone. A series of experiments were carried out using a hypothetical office room to obtain data of vertic...

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