2025
PhD thesis
| Masahiro FUJIMURA | A Study on the Development of Automatic Optimal Operation Control for Decentralized Package Air Conditioning Systems with Multiple Outdoor Units |
Master's thesis
| Kanato KIMURA | Study on the Long-Term Thermal Insulation Performance of Transparent Vacuum Insulation Panels |
| Kei SHIDAHARA | Development of the HR-3P System for Introduction into District Renewable Heat Network System |
| Takumi TANABE | Optimization of Electric and Thermal Energy Storage System in a Residential House in a Cold Region |
| Tomoya MANZAKI | The Space Heating Performance Evaluation of Air Conditioners in Cold Climates Based on Field Test and Numerical Dynamic Model Considering Frost |
| Syo YOSHIDA | Study on Performance Enhancement and Annual Economic/Environmental Assessmentof a Type two Adsorption Heat Pump |
Bachelor's thesis
| Yutaka UNNO | 再生可能エネルギー熱の面的利用システムの導入効果予測シミュレーションの改良 |
| Ryota KATO | 再生可能エネルギー熱の面的利用システムの導入ポテンシャル評価手法に関する検討 |
| Shizune SAIJO | Performance assessment of a thermal energy storage system employing a composite potassium carbonate-based thermochemical heat storage material |
| Haruka SAKAI | 光透過型真空断光透過型真空断熱材の実建物への導入及び現場計測による断熱性能向上 効果の評価 |
2024
Master's thesis
| Risa IGARASHI | The evaluation of thermal comfort and performance evaluation of room air conditioner for space heating in cold regions |
| Xiaoyang Zheng | Modeling and Optimization of Home and Community Energy Management System for Renewable Energy Utilization |
| Gumo Liu | Study on performance analysis of a nZEH combined with GSHPs in Sapporo and effects of the optimum control for floor heating using a grey-box-model |
| Takato Miyata | Study on manufacturing process to suppress pressure increase after sealing of Transparent Vacuum Insulation Panels |
Bachelor's thesis
| Miyuki Arai | Study on the development and performance evaluation of thermochemical energy storage materials with low regeneration temperature |
| Kosei Umetsu | Performance evaluation of a small adsorption chiller using methanol as refrigerant |
| Takaharu Matsui | 光透過型真空断熱材の真空封止後の断熱性能向上に関する検討 |
| Daichi Matsumoto | Experimental and numerical study on high-temperature heat pumps using natural refrigerant |
| Keita Fukasawa | 再生可能エネルギー熱の面的利用システムの導入効果予測に関する研究 |
| Yu Yamamoto | Study on demand response air conditioning system using thermal storage and microchannel radiant panels |
2023
PhD thesis
| Minzhi YE | Design and control optimization of an open-type radiant ceiling panel system for thermal comfort and energy saving |
| Kunning YANG | Design and Performance Evaluation Methodology of Thermal Piles with Large Diameter and Heat Capacity |
Master's thesis
| Erkki Hirvonen | Experimental study on integra?ng transparent photovoltaic film with transparent vacuum insulation panel |
| Haochen An | A Study on the Optimization of Building and Metropolitan Energy Management Systems Incorporating Solar Radiation Forecasting |
| Toshiyuki KITAOKA | Study on a small adsorption desalination system |
| Kohei NIMURA | Design and installation evaluation of air conditioning systems using ground source heat pumps and radiant panels in Net-Zero Energy Buildings |
| Kosei MIURA | Study on actual measurements of a net zero energy-oriented town hall in the cold and snowy region and optimal operation of radiant slab heating and cooling system |
| Ken KINOUCHI | Study on conversion of buildings to ZEB by installing heat recovery ground source heat pump and thermal power storage systems |
| Daoxuan CHEN | Study on Simulation-Based Design and Operational Methods of Ground Thermal Energy Systems |
Bachelor's thesis
| Kanato Kimura | Experimental study on the Improvement of Thermal Insulation Performance and increasing the size of Transparent Vacuum Insulation Panels |
| Kei Shidahara | Study on a Heat Pump Heating and Cooling System Utilizing a Microchannel Heat Exchanger as a Radiant Panel |
| Takumi Tanabe | Experimental Study on Optimization of Residential Battery Charge/Discharge by Model Predictive Control |
| Tomoya Manzaki | Performance enhancement of high-temperature heat pump based on natural refrigerant of CO2 |
| Sho Yoshida | Possibility Discussion on the Adsorption Heat Pump for the Purpose of Heating |
2022
PhD thesis
| Fang HE | Study on the Performance Enhancement of the Adsorption Heat Pump applied Natural Meso-porous Material |
| Yutaka Shoji | Application of data science methods in numerical simulation of ground heat exchanger, and its use |
Master's thesis
| Yiyang Wang | Toward a net ZEH in a cold region using an energy-efficient floor heating system |
| Tomoya OHARA | Performance evaluation of heat recovery ground source heat pump system and establish of short-term heat storage method |
| Shun OKIHARA | Study on the sustainability of open-loop ground source heat pump systems |
| Risa SHIINA | Study on methanol adsorption characteristics of mesoporous materials impregnated with chlorides and its application of adsorption refrigerator |
| Jun HARADA | Study on the shape of the core material of transparent vacuum insulation panels achieving high performance and thinness |
Bachelor's thesis
| Risa Igarashi | Performance evaluation of a small adsorption chiller using methanol as refrigerant |
| Koyuki Ito | Energy efficiency of the town hall building in a snowy, cold climate aiming for net zero energy |
| Ken Kinouchi | Evaluation of the impact of heat pump operating characteristics on performance under load fluctuations |
| Haruki Kume | Experimental study on the Improvement of Thermal Insulation Performance and durability of Transparent Vacuum Insulation Panels |
| Soichiro Sugiyama | Examination of effectiveness of a new Thermal Response Test using periodic heating to estimate effective thermal conductivity |
| Kimika Tsuji | Experimental Study on Cooling/Heating Quantity to the Foot and Improvement of Warming/Cooling Sensation of Human Body by Contact Heat Transfer Panel |
2021
PhD thesis
| Hobyung Chae | Study on New Thermal Response Test Analysis with Partial Groundwater Flow and its Application for Ground Source Heat Pump Design |
Master's thesis
| Yuma Akeyama | 100-year forecast for geothermal heating and cooling system performance based on different climate change scenarios |
| Mitsuki Izawa | Numerical study on performance improvement of adsorption desalination system using natural mesoporous material |
| Taichi Kamada | Evaluations of long-term insulation performance and thermal bridge on the double envelope VIPs |
| Motohiro Maeda | Development of a simulation tool for performance prediction of horizontal ground heat exchangers using shallow ground thermal energy |
| Shibo Yang | Study on optimal control of renewable energy system for ZEB with PV, TES, BT and Heat Pump |
Bachelor's thesis
| Toshiyuki Kitaoka | Construction of a small adsorption desalination system and experimental study of freshwater production and thermal efficiency |
| Kohei Nimura | Evaluation of influence by estimation error of soil thermal properties on performance prediction for ground source heat pump systems |
| Haruto Hirose | Study on the Estimation Method of Nationwide Distribution of Geothermal Gradient |
| Kosei Miura | Study on performance evaluation of groundwater heat pump system with single well |
| Takato Miyata | Experimental study on the Improvement of Thermal Insulation Performance of Transparent Vacuum Insulation Panels during Fabrication |
2020
PhD thesis
| Sunghoon Seol | Study on Adsorption Heat Pump Using Composite Natural Mesoporous Material as Low-Carbon Air Conditioning |
Master's thesis
| Yue Han | Study on application of CO2 heat pump to floor heating and ventilation preheating system |
| Hao Yu | Development of shallow soil thermophysical property estimation method and simulation software for large scale use of ground thermal energy |
| Kexin Tang | Study on low-temperature adsorption heat pump using natural mesoporous material |
| Jiayi Zhou | Study on optimal control of ground source and air source hybrid heat pump systems |
| Kento Fujii | Research on smart communities with energy storage |
| Takuma Fukuoka | Study on net Zero Energy Building integrated with ground water heat pump system in cold region |
| Minzhi Ye | Study on the heating and cooling performance of a novel radiant ceiling panel system with curved shape and gap |
| Lan Ding | Thermal performance evaluation and design methodology for new radiant panels and ground heat exchangers by applying computational fluid dynamics |
| Daiya Suzuki | Energy saving for air conditioning and ventilation in sunlight type plant factories |
Bachelor's thesis
| Tomoya Ohara | Study on vacuum insulation panel and air conditioning system using ground thermal energy that contributes to net-zero energy buildings and net-zero energy houses |
| Sho Kawamata | Performance improvement of adsorption water harvesting with different filling method |
| Kai Yamada | Study on zero energy house |
| Shun Okihara | Study on long-term growths of well clogging affecting groundwater-source heat pump systems |
| Jun Harada | Research on outgassing suppression and upsizing transparent vacuum insulation panels |
2019
Master's thesis
| Kirina Komuro | Improvement of long-term performance of VIPs and performance verification of VIPs in a building |
| Ying Zha | Development of optimal design and operation method of hybrid ground source heat pump system and research on its operation |
| Yutaka Shoji | Fast Calculation Method for Transient Temperature of Ground Heat Exchangers Field with Groundwater Flow |
| Yuzhi Fang | Development of design method for ground soruce heat pump system utlizing shallow ground thermal energy |
Bachelor's thesis
| Yuma Akeyama | Long-term prediction of performances of ground source heat pump systems under climate change and urbanization |
| Mitsuki Izawa | Desalination device based on adsorption process applying natural mesoporous material |
| Taichi Kamada | Investigation on low-cost net-zero energy houses by applying vacuum insulation panels and ground source heat pump systems |
| Zeng Yvmin | Prediction of solar radiation intensity using satellite image analysis based on machine-learning |
| Keisuke Mizutani | Investigation on next generation district heating and cooling system applying ground thermal energy and heat recovery｡ｱ |
2018
Master's thesis
| Masahiro Aihara | Study on Simple Retrofitting Insulation for Existing Building using Vacuum Insulation Panels |
| Mayu Inoue |
Numerical Study on Improving Performance of Actual Adsorption Heat Pump Using Natural Mesoporous Material |
| Akihide Nakajima | Study on model predictive HEMS using solar radiation prediction by AI method |
| Kazuma Hamano | Study on application of small CO2 water source heat pump to water heating system for residential purposes |
| Takashi Higashitani | Experimental proof and feasibility study of the heat recovery ground source heat pump system/td> |
| Fang He | Experimental Study on Performance Improvement of AHP Using Natural Meso-porous Material |
Bachelor's thesis
| Daiya Suzuki | Investigation on design and operation method to improve the performance of air-conditioning system by using simulation |
| Ririko Noda | Study on improvement of thermal insulation performance and durability of thin vacuum insulation panel with light transmittance |
| Ryusuke Hirata |
Study on the cost reduction of WSS adsorbent applied to adsorption heat pump and the improvement of performance with mass recovery process |
| Takuma Fukuoka | Evaluation of Energy consumption and Indoor environment in the ZEB intergrated with Ground Water Sourse Heat Pump System in Cold Region |
| Hiroshi Yamaguchi | Statistical analysis of optimal sizes for ground heat exchanger in major basins of Japan using high-resolution groundwater simulation results |
2017
PhD thesis
| Zhang Yang | Study on Vacuum Insulation Panels with Slim-thickness and Light-weight and Their Application Method for Retrofitting Insulation to Existing Buildings |
Master's thesis
| Junki Hashimoto | Development of Three-dimensional Geologic Information Data Base and Environmental Economic Assessment by Utilization of Ground-Source Heat Pump Systems for Heating and Cooling |
| Yu Hirouchi | Study on Optimum Operation Simulator of Building which is Aiming at ZEB Ready with Ground Source Heat Pump at the Core |
| Yoshiki Miyashita |
Development of optimum control for Heat Recovery Ground Source Heat Pump system and its experimental proof in field |
| Tomoaki Murakami |
Study on autonomous control home energy management system incorporating weather forecast and its application to smart community |
Bachelor's thesis
| Kirina Komuro | Evaluation of energy conservation and thermal environment of the low energy house with ground source heat pump for space heating / domestic hot water and desiccant ventilation unit |
| Yutaka Shoji | Feasibility of thermal grid system integrating with ground thermal energy |
| Kento Fujii |
Verification of the effect of schedule-driven home energy management using ground thermal, heat pump, thermal storage, and electricity storage |
| Riho Mizutani |
Evaluation of Adsorption / Desorption Characteristics and Adsorption Heat of Adsorbent Made of Natural Mesoporous Material Applied to Adsorption Heat Pump |
2016
PhD thesis
| Yasutaka Yoshida | Study of Packaged Air-conditioners Intended to Improve Annual Efficiency |
Master's thesis
| Takuya Ijima | Study on Concept of Zero Energy Building Based on Gound Source Heat Pump System in Cold Regions and Optimization Method of Heating System Using Genetic Algorithm |
| Kento Kubo | Study on Improvement of Gound Source Heat Pump for Domestic Hot Water |
| Nguyen Hai Dang | Study on the Development of Design Technique and the Control System of Heat Recovery Ground Source Heat Pump System |
| Ayumi Komaki | Study on Adsorption Heat Pump Using Natural Mwsoporous Material Impregnated with Chloride Component |
| Akiko Sugino | Study on Load Leveling and Optimization of Using Thermal Storage and Electric Storage for Smart Community |
| Tazia Rahman |
STUDY ON BUILDING SURFACE AND INDOOR TEMPERATURE REDUCING EFFECT OF THE NATURAL MESOPOROUS MATERIAL TO MODERATE THE URBAN HEAT ISLAND EFFECT |
Bachelor's thesis
| Masahiro Aihara | Investigation of vacuum insulation panel and its effective application to contribute retrofitting insulation for existing buildings |
| Mayu Inoue |
Enhancement of physical properties and system performance used natural mesoporous material applied for adsorption heat pump |
| Akihide Nakajima |
Optimum control of charging and discharging of lithium ion battery cooperated with PV panel for a smart house |
| Kazuma Hamano | Numerical analyses and experiments to achieve high efficiency of ground sorce heat pump unit |
| Takashi Higashitani |
Development of a design and performance prediction tool for the ground source heat pump system using vertical spiral ground heat exchangers and its application |
2015
Master's thesis
| Ryo Ogura | Study on desiccant air conditioning system using Wakkanai Siliceous Shale for residential houses |
| Ryota Suzuki | Study on Stationary Total Heat Exchange Ventilaion System Using a Polymer Gel Coating Paper Element |
| Saika Takigami | Study on Ground Source Heat Pump System Using Vertical Spiral Ground Heat Exchangers |
| Yukiko Yagi | Study on Smart Community Using Ground Thermal Energy, Heat Pump, Thermal Storage and Electric Storage |
| Atsushi Morita | Study on Low-cost Adsorption Heat Pump Using Natural Mesoporous Material |
| Yu ZHENG | Study on the water to water compact ground source heat pump unit with gas injection |
Bachelor's thesis
| Reo Sato |
Evaluation of indoor thermal environment and energy saving performance in the residential house integrated with ground source heat pump system and desiccant outside air conditioning system |
| Junki Hashimoto | Development of an Interpolation Tool of Three-dimensional Geologic Information for Mapping the Potential Application to Ground Thermal Energy Utilization |
| Yu Hirouchi |
Evaluation of Energy consumption and Indoor Environment in the Low Energy Building Integrated with Ground Source Heat Pump System in Cold Region |
| Yoshiki Miyashita | Study on Quantification of Installing Effect of Heat Recovery Ground Source Heat Pump System |
| Tomoaki Murakami | Investigation on Translucent Vacuum Insulation Panels and Slim Vacuum Insulation Panels to Contribute Retrofitting Insulation for Existing Buildings |
2014
PhD thesis
| Hongzhi Liu |
STUDY ON OPEN AND CLOSED CHEMICAL THERMAL ENERGY STORAGE TECHNOLOGY WITH LOW-REGENERATION TEMPERATURE |
Master's thesis
| Shengzhe JIN | Study on the thermal performance of the porous poly duct applied in greenhouse |
| Zhai Jian | Analysis of heat transfer from the ground heat exchanger buried in the multi-layer geological condition with groundwater flow |
| Yuki MORI | Development of simulation tool for multi-source and multi-functional heat pump unit and its application |
Bachelor's thesis
| Takuya Ijima | Investigation on Net-Zero Energy building utilizing ground thermal energy in cold climate region |
| Kento KUBO | Study on the improvement of the ground source heatpump unit |
| Ayumi KOMAKI | Evaluation of odor transition in desiccant air-conditioning system |
| Ayana SAITO | Performance evaluation method for ground heat exchanger including installation cost |
| Akiko Sugino | Ground source heat pump heating system for gardening plant in cold climate region |
2013
Master's thesis
| Emi NISHIKAWA | Research and development of batch type all heat collection ventilating device |
| Yuka KUSAMA | Study on Stationary Total Heat Exchange System Focus on the Element |
| Daichi SUGIYAMA | Study on Desiccant Air-Conditioning Systemusing Wakkanai Siliceous Shale for Commercial Buildings |
| Katsuya YAMAMOTO | Study on Design Methodology of Ground Source Heat Pump Heating and Cooling System in Greenhouse |
Bachelor's thesis
| Koki YOKOHIRA | Heat transfer performance of porous film ducts |
| Ryo Ogura | Study on Operating Condition of Desiccant Unit with Total Heat Exchange Element |
| Ryota Suzuki | Study on Migration of Sensible Heat, Latent Heat and Odor in the Total Heat Exchange System |
| Saika Takigami | Study on Net-Zero Energy House introduced Ground Source Heat Pump System |
| Marie HARA | Study on the indoor environment and the airborne microbe of the building having earth-tube |
| Atsushi Morita | Actual Measurement of Heat Collecting Performance and System Simulation Using High-Performance Solar Collector |
| Yukiko Yagi | Study on Smart Community Using Ground Thermal Energy and Storage |
2012
PhD thesis
| David Leonardo Blanco Chaparro | Study on the variable capacity compact heat pump unit with a desuperheater for space heating and domestic hot water |
| Huai Li |
STUDY ON A CALCULATION ALGORITHM FOR THE DESIGN OF SLINKY HEAT EXCHANGER AND PERFORMANCE EVALUATION OF A LARGE SCALE GSHP SYSTEM |
| Yuki NABESHIMA |
A study on desiccant air conditioning system using Wakkanai siliceous shale integrated with heat pump system |
Master's thesis
| Junichiro KAKIYAMA( | Study on Efficient Cool Energy Supply Systems by Utilizing Snow-and-Ice Resources |
| Shinichiro TAKATA | Study on a Home Energy System using Combined Heat and Power Systems and Buffer Devices |
| Hiroki FUKUSHIMA | Evaluation and Improvement of Efficiency of Desiccant Unit Combined with Domestic Heat Pump System for Air-Conditioning and Hot Water Supply |
| Syota MIYAMOTO |
Development of a Design and Performance Prediction Tool Using MATLAB / Simulink for the Heat Pump Cooling and Heating System and Its Application |
| Makoto YACHI | Evaluation of hot environment by applying human model for predicting mean skin temperature considering solar spectral absorptive characteristics of clothing and its wetness |
Bachelor's thesis
| Kazuki AIBA | Study on Heat Recovery Ventilation System and Net Zero Energy House |
| Daiki SAKUMA | Study on the automatic switching arrangement for room temperature control for semi-cold regions |
| Keisuke TAKAICHI | Study on a Smart Energy House using Next Generation Decentralized Power Sources |
| Akihiro FUKUZAWA |
Study on Performance and Possibility of Introduction of Future Distributed Power Sources and Heat Supply Systems for Residential Use |
| Yuki MORI |
Study on Experiment and Simulation of Efficiency Improvement of Domestic Ground Source Heat Pump |
| Sakurako YAMAKITA | Evaluation and Experimental Study for Desiccant Ventilation of Low Temperature Regeneration System |
