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Urban Energy Systems
Bauhaus-Institute for
Infrastructure Solutions
Faculty of Civil Engineering
Bauhaus-Universität Weimar

Address

Coudraystraße 7
99423 Weimar
Germany

Telephone
+49 (0) 36 43 / 58 46 32

Fax
+49 (0) 36 43 / 58 46 39

Email
mark.jentsch @ uni-weimar.de



Urban Energy Systems News
Chronological List of News Items    
The following list provides information on key events, new grants and other news related to the work of the group since May 2012.

    2018

Ajman, UAE - Workshop on green buildings
Ajman, UAE - Workshop on green buildings, round table discussions
 
12 - 13 March 2018
Workshop on green buildings and green cities in Ajman, UAE

Assoc. Prof. Dr. Jentsch was invited to the Emirate of Ajman in the UAE by the Ajman Municipality & Planning Department to give talks and facilitate a workshop on green buildings and green cities. The workshop, which was targeted at providing the members of the Ajman Municipality & Planning Department with information on how to transform Ajman into a more sustainable place, complemented the 5th Ajman International Environment Conference held in the first week of March 2018.

Within the workshop Assoc. Prof. Dr. Jentsch gave talks on building physics and the energy performance of buildings as well as on the principles of building rating with a specific focus on options that could be applied in the Emirate of Ajman. Together with Prof. Antonella Trombadore of the Universita degli Studi di Firenze in Italy and members of the Ajman Municipality & Planning Department he established first ideas for a roadmap towards assessing the existing building stock in Ajman and setting up / implementing a building performance rating scheme.

>> workshop video, Municipality & Planning Department
>> view news article in the Khaleej Times


    2017

BMBF Logo
 
20 December 2017
Grant obtained for developing a concept for a model region for hydrogen technologies

A consortium led by the Urban Energy Systems research team was selected for conducting research and development in the field of creating a hydrogen based energy economy. Starting in April 2018, the project H2-Well - Hydrogen Source and Value Added Region Main-Elbe-LINK will be looking at developing a concept for instigating a model region for hydrogen technologies in the area between the rivers Main and Elbe. This work is being funded by the Federal Ministry of Education and Research (BMBF) within the grant scheme WIR! Wandel durch Innovation in der Region.

>> more information of the project H2-Well


Visit Panasonic
Iwatani hydrogen fuelling station
Visit Chiyoda Corporation
DJW symposium, presentation Prof. Jentsch
  01 - 07 October 2017
Thuringian industry delegation visits Japan

Assoc. Prof. Dr. Mark Jentsch was part of an industry delegation by the Thuringian Ministry for Economic Affairs, Science and Digital Society travelling from Thuringia to Japan. Together with Dr. Joachim Löffler, the managing director of the company Kumatec GmbH, and Bernd Hubner, the managing director of the Wasserwerke Sonneberg, he formed the delegation focus group on hydrogen technologies which is already collaborating on the research project LocalHy that is looking at a distributed hydrogen generation system spanning the sectors electricity supply, mobility and waste water treatment. In Japan the group held talks with a range of different stakeholders involved in the development of hydrogen technologies and a hydrogen based energy economy.

On the first stop in Tokyo the team discussed with representatives from the Tokyo Metropolitain Government about the visions for a hydrogen economy in Japan planned for the Summer Olympics 2020 and presented the state of hydrogen technology development in Thuringia. Furthermore, a hydrogen fuelling station operated by the Iwatani Corporation was visited in Tokyo. In Yokohama talks were held with members of the Hydrogen Supply Chain Development Unit of the Chiyoda Corporation, also looking at a demonstration plant used for investigating the potentials of a hydrogen storage and transportation scheme. Further discussions were held at Panasonic in Osaka and Kyocera in Kyoto on the themes of fuel cells used as "enefarms" for domestic buildings in Japan and the potentials of water electrolysis from renewable energy in a future hydrogen based supply chain.

On the 2nd of October Assoc. Prof. Dr. Jentsch had the opportunity to give a short presentation on the current developments of the distributed hydrogen facility developed within the LocalHy research project in Southern Thuringia. This presentation directly followed the Thuringian Minister of Economic Affairs, Wolfgang Tiefensee's speech at the annual symposium of the Deutsch-Japanischer Wirtschaftskreis (DJW) at the Industry Club of Japan in order to give an insight into the themes of the Thurigian delegation travelling with Mr. Tiefensee. Given that the topic of the symposium was "A Hydrogen-Based Economy – Can Vision become Reality? Japanese and German Views" the event offered excellent opportunities for networking with Japanese stakeholders involved in shaping a hydrogen economy.


Summer school Ljubljana group picture
Summer school Ljubljana group work
Summer school Ljubljana group work
  22 - 30 August 2017
Assoc. Prof. Dr. Jentsch leads a workshop at a summer school in Ljubljana

Assoc. Prof. Dr. Mark Jentsch and Prof. Dr.-Ing. Karl Josef Witt of the Bauhaus-Universität Weimar led a one week workshop within the framework of a summer school in Ljubljana, Slovenia. The summer school was organised by the Max Weber-Programm Bayern and the Studienstiftung des deutschen Volkes for their scholarship holders. Together with a group of 19 students from all over Germany avenues for sustainable living and survival of a group of people on a remote island were explored, looking at engineering solutions for the supply with food, water, energy and dwellings. The week was characterised by highly engaged group work, presentations and discussions which were complemented by keynote lectures form the two workshop leaders.

On the evening of the 25th of August Assoc. Prof. Dr. Jentsch and Prof. Dr.-Ing. Witt gave an open lecture on their field work in Bhutan to all participants of the summer school. This included an introduction to the philosophy of Gross National Happiness (GNH), the reconstruction project of Wangduephodrang Dzong (a historic fortress) and the studies on the building physics and material properties of historic and contemporary buildings in Bhutan conducted as part of the SusTherm research project.


summaery 2017
summaery 2017
  14 July 2017
Urban Energy Systems presents its work at the 2017 summaery exhibition

The Urban Energy Systems research team presented its current and recently completed research work on the university’s annual “summaery” exhibition event. The exhibits included posters on the current state of the research on water electrolysis on municipal sewage works within the LocalHy project, the outcomes of the research project SusTherm, looking at improving the thermal performance of the Bhutanese building stock, and the current research on vertical axis resistance type wind turbines. The posters were complemented by the scale model of a vertical axis resistance type wind turbine used in wind tunnel tests as well as cement stabilised earth blocks which were produced in Weimar in order investigate improvements to the material composition, production process and construction with this material. Around these exhibits many discussions evolved with members of staff of the university, students and visitors from outside the university, in particular on the future of energy systems and the technical requirements for developing countries.

>> view poster on the project SusTherm (in German)

>> more information on the summaery 2017


earth construction workshop   03 June 2017
Student workshop in Oettern on traditional earth construction techniques

A group of environmental science students took part in a workshop on traditional earth construction techniques in the village of Oettern. The workshop was overseen by the local craftsman Norbert Ungethüm who supervised and guided the students in preparing the construction materials, constructing a wall following the wattle and daub technique and replastering an existing wall with a new earthen plaster. This workshop formed part of the module Klima, Gesellschaft, Energie (Climate, Society, Energy) offered every summer by the Urban Energy Systems team.


PhD viva Aner Martinez Soto   29 May 2017
PhD viva Ing. Aner Martinez Soto

Ing. Aner Martinez Soto presented his PhD work on energy models in the residential sector in front of the assessors of his thesis and an audience of more than 30 people. The PhD commission awarded his work with magna cum laude. With his newly awared PhD Aner Martinez Soto is now seeking to take up a career in his home country Chile.

>> full text of the PhD thesis (in German)


oxygen aeration started   22 May 2017
Oxygen aeration switched on in sewage work test facility in Sonneberg Heubisch

Dipl. UWT Sebastian Büttner and the colleagues from the Wasserwerke Sonneberg formally started the aeration tests with oxygen in the scaled sewage work test facility in Sonneberg Heubisch. Over the next few months a range of tests will be conducted in the two separate aeration basins of the test facility in order to determine the optimum operation regime with oxygen delivered as a by-product from hydrogen production through water electrolysis. These tests form part of the work on the research project LocalHy.


radio feature on hydrogen technologies   18 May 2017
Radio feature in Deutschlandfunk Kultur on hydrogen technologies

Aspects of the research project LocalHy were featured in a radio show on hydrogen technologies and their potential contribution to an energy transition in Germany. Assoc. Prof. Dr. Mark Jentsch and Dipl.-Ing. Bernd Hubner of the Wasserwerke Sonneberg outlined the potentials of installing electrolysers on the compounds of municipal sewage works for achieving a transition of the current energy system towards a more decentralised structure. Further to this Dr. Joachim Löffler of the research partner Kumatec GmbH gave an insight into the electrolyser developed by his company and the benefits of electric vehicles on the basis of hydrogen fuel cells.

>> more information on the feature (in German)


field trip to Oberroßla   10 May 2017
Field trip with 3rd year students to a small hydropower plant in Oberroßla

The Urban Energy Systems team visited a small scale hydropower plant at the river Ilm with 3rd year civil engineering students. The students gained an insight into the function, operation and maintenance of a river run-off hydropower plant as well as issues of feeding electricity to the grid in a changing electricity market.


Lumberjack work   09 May 2017
Lumberjack workshop with MSc students

As already done in 2016 environmental science students enrolled in the MSc module Klima, Gesellschaft, Energie (Climate, Society, Energy) conducted lumberjack work in order to gain an insight into the time and effort required for manual labour. Under the supervision of Dipl. UWT Sebastian Büttner they tried their skills in cutting and splitting wood. This was needed as background for their coursework for planning a 15-year expedition to a remote island.


wind tunnel test   10 March 2017
Wind tunnel tests on a vertical axis resistance type wind turbine

Within his MSc-thesis master student Benjamin Breuer developed a scale model of a vertical axis resistance type wind turbine. Together with members of the Urban Energy Systems team this model was investigated in the wind tunnel of the colleagues from the chair Modelling and Simulation of Structures. It was found that changes to the turbine geometry have strong implications on the air flow through the turbine as well as its rotational speed.


    2016

Erhard Hampe Award 2016
 
05 November 2016
MSc student Ms Stefanie Hörnlein receives Erhard Hampe Award

Ms Stefanie Hörnlein who works for the Bauhaus-Institute for Infrastructure Solutions received this year's Erhard Hampe Award of the Association of the Friends of the Faculty of Civil Engineering for her MSc thesis. The thesis which was supervised by Assoc. Prof. Dr. Mark Jentsch and Dipl. UWT Sebastian Büttner dealt with using oxygen in the aeration basins of municipal sewage works. Based on a thorough literature analysis Ms Hörnlein (right hand side of the picture to the left) developed an approach for transferring existing methods for dimensioning aeration basins to the application of pure oxygen. Ms Hörnlein shares the award with Ms Alexandra Wagner (left hand side of the picture to the left). The award was granted at the 2016 graduation ceremony of the Faculty of Civil Engineering.

>> more information on the graduation event (in German)


summaery 2016 - Science Slam
summaery 2016 poster presentation
  14 July 2016
Urban Energy Systems at the summaery 2016 event and exhibition of the university

The area of Urban Energy Systems participated in the annual event and exhibition "summaery" of the Bauhaus-Universität Weimar. PhD researcher Aner Martinez Soto went into the ring of the science slam with a short presentation of 3 minutes on future energy saving potentials in the German residential sector. This presentation convinced both the jury and the audience, leading to Mr. Martinez Soto winning the first prize of the science slam.

Further to this the work of the students participating in the module Klima, Gesellschaft, Energie (Climate, Society, Energy) on "The Island Project" was presented within the framework of the Faculty of Civil Engineering's exhibition. Each of the four project groups created their own presentation poster for this purpose which sparked discussions with fellow students on how to develop a sustainable community on a remote island.

>> more information on the summaery 2016


Field Trip to combined cycle power plant in Jena   22 June 2016
Field trip with engineering students to combined cycle power plant in Jena

A group of students and Assoc. Prof. Dr. Mark Jentsch visited the combined cycle power plant in Jena Winzerla to receive a guided tour of the power plant which is one of the most modern facilities of its kind in the Free State of Thuringia. Within the tour it was possible to have a look at the water treatment facilities, the gas and steam turbines as well as the cooling towers of the power plant. Furthermore, an insight into the operation of the power plant and its district heating scheme could be obtained.


Exkursion nach Hohenfelden 2016   8 June 2016
Annual field trip with MSc students to Hohenfelden

The tradition of the preceding years of visiting the outdoor museum in Hohenfelden with students enrolled in the module Klima, Gesellschaft, Energie (Climate, Society, Energy) was continued in 2016. The guided tour of the museum’s buildings helped the students to inform themselves on historic subsistence strategies, construction methods and materials for their coursework on "The Island Project" where they have to develop ideas for a sustainable off-grid lifestyle on a remote island. The visit took place in sunny weather and was again followed by a get-together with tasting of locally produced elderflower juice.


Scholarship event 2016   25 May 2016
MSc student receives scholarship of the friends' association of the university

MSc student Michael Riebesecker who was recommended for a scholarship by Assoc. Prof. Dr. Mark Jentsch was one of three students of the Faculty of Civil Engineering to receive a scholarship in 2016. The scholarship was granted by the friends' association for the support of students of the Bauhaus-Universität Weimar. The certificate was handed over at a festive event.

>> more information on the event (in German)


Coursework activities on woodworking   12 May 2016
Students tried out lumberjack work as part of their coursework activities

Environmental science students enrolled in the MSc module Klima, Gesellschaft, Energie (Climate, Society, Energy) tried their skills in cutting and splitting wood under supervision of Dipl. UWT Sebastian Büttner and Assoc. Prof. Dr. Mark Jentsch. This formed part of a workshop within their coursework on "The Island Project" which deals with investigating a sustainable off-grid lifestyle on a remote island. Within this project the students make plans for sending 30 people to this island for 15 years, looking at aspects of local food supply / farming, housing, energy provision, sanitation and waste management. The aim of the lumberjack work was to get an idea of the time that is required for manual labour, in order to correctly estimate the time that is needed for different tasks as part of their calculations on the project.


SusTherm Workshop 3 in Weimar   12 April 2016 - 05 May 2016
Research stay and third workshop with partners from Bhutan

Three members of staff of from the Department of Engineering Services of the Ministry of Works and Human Settlement (MoWHS) from Bhutan stayed for a two week research and training programme at the Bauhaus-Universität Weimar. In the first week of their stay they trained the use of airtightness testing equipment as well as thermal transmittance and indoor comfort measurements with researchers of the Bauhaus-Institute for Infrastructure Solutions (b.is). This was a preparation for being able to independently conduct such tests in buildings in Bhutan. This was, in the second week, followed by laboratory tests looking at the water absorption, compressive and tensile bending strength and the particle size distribution of Bhutanese concrete stabilized earth blocks. This work was supervised by researchers from the area of Building Chemistry and Polymer Materials. Following this work the team held the final workshop on the collaborative research project SusTherm with the partners from Bhutan for which two senior staff from the Department of Engineering Services joined the three researchers already present in Germany. The aim of the workshop was to prepare the structure and content of the joint scoping study report which will represent the first ever investigation into the thermal performance of the Bhutanese building stock.

>> news article on the university's website (in German)


    2015

A. Martinez Soto at BS 2015
 
7-9 December 2015
Paper presented at 14th Building Simulation Conference in Hyderabad

PhD researcher Aner Martinez Soto presented his work regarding the sensitivity and uncertainty analysis of models for determining the energy consumption in the residential sector at the prestigious conference of the International Building Performance Simulation Association (IBPSA) in Hyderabad, India.

>> view paper presented at the conference


Pressure difference measurement in Thimphu   November 2015
Building monitoring programme in Thimphu, Bhutan completed

With the support of the research partners of the Ministry of Works and Human Settlement (MoWHS) the two MSc students Tobias Bode and Toni Pauer successfully completed the building monitoring programme started in October 2015 in and around Thimphu, Bhutan. The investigations included several buildings of a different construction type and spanned air tightness testing, thermal transmittance measurements, indoor comfort measurements as well as water ingress measurements on selected wall materials.

>> news article on the faculty's website (in German)


Building Physics Conference Proceedings
  21-22 October 2015
Two papers presented at Bauphysiktage 2015

Two research papers by members of the Urban Energy Systems team were presented at the Bauphysiktage 2015 conference in Kaiserslautern, Germany which brings together researchers involved in building physics and energy efficiency in buildings. At the conference PhD researcher Aner Martinez Soto successfully introduced his PhD work regarding energy models for predicting the energy demand in the residential sector at the science slam for young researches.

>> view papers presented at the conference


SusTherm Workshop Thimphu   29 September - 6 October 2015
Workshop in Thimphu, Bhutan

Within the framework of the collaborative project SusTherm Assoc. Prof. Dr. Mark Jentsch of the Bauhaus-Institute for Infrastructure Solutions (b.is), Dipl.-Ing. Christoph Kulle of the area of Building Chemistry and Polymer Materials and the MSc students Tobias Bode and Toni Pauer visited the research partners of the Ministry of Works and Human Settlement (MoWHS) in Thimphu, Bhutan. The workshop aimed at gaining an insight into the Bhutanese building stock and current challenges of the building industry. The workshop was also the starting point of an intensive building performance monitoring programme that will last until November 2015 and is conducted by the MSc students Tobias Bode and Toni Pauer. The first assessment of a modern concrete stabilised earth block house was undertaken jointly by the entire team during the workshop and delivered some interesting results on the thermal performance and air tightness of this building.

>> more information on the project


BMBF Logo
Zwanzig20 Logo
  5 July 2015
Grant obtained for hydrogen research project

The Bauhaus-Institute for Infrastructure Solutions (b.is) received funding for the collaborative project: LocalHy - Decentralised electrolysis of water from renewable energy with combined hydrogen and oxygen use. This project which is conducted in a consortium of 7 partners from industry, the public sector and academia forms part of the HYPOS - Hydrogen Power Storage & Solutions East Germany project group funded by the Federal Ministry of Education and Research (BMBF). The project is listed on the university's website amongst the top research projects in 2015.

>> project data sheet of the university (in German)


Field trip Hohenfelden 2015   17 June 2015
Field trip with students to Hohenfelden

The outdoor museum in Hohenfelden was visited with students enrolled in the module Klima, Gesellschaft, Energie (Climate, Society, Energy). This field trip formed part of the teaching activities regarding historic construction methods in relation to material availability and the local climate, also looking at the building physics properties of traditional buildings. The visit which was conducted in sunny weather helped to inform the students for their design projects within the framework of the module.


eLBau Logo   28 May 2015
Handover eLearning Bauphysik

The responsibility for the distance learning course 'eLearning Bauphysik Weiterbildungsstudium' (e-learning building physics CPD/MSc course) at the Bauhaus-Universität Weimar was handed over to Prof. Conrad Völker following his appointment as professor in Building Physics. The area of Urban Energy Systems was responsible for the course for more than 2.5 years. During this time period the course organisation was restructured and a new publicity strategy devised. In September 2014 the course received reaccreditation.

>> more information on the course (in German)


Anschubfonds Bauhaus-Universität Weimar   4 May 2015
Start-up funding secured from the university

The research teams in Urban Energy Systems and Building Chemistry and Polymer Materials secured start-up funding from the university for developing a grant application regarding the development of sustainable construction materials for thermal insulation of buildings in Bhutan. This grant application will build on the current scoping study project SusTherm with the partners from the Ministry of Works and Human Settlement (MoWHS) in Thimphu, Bhutan.

>> more information on the scheme (in German)


SusTherm Workshop 1 in Weimar   19-26 April 2015
Workshop with partners from Bhutan

Researchers of the Bauhaus-Institute for Infrastructure Solutions (b.is) and the area of Building Chemistry and Polymer Materials held their first workshop with the research partners from the Department of Engineering Services within the Ministry of Works and Human Settlement (MoWHS) from Bhutan. The workshop formed part of the collaborative research project SusTherm. The aim was to gain an insight into the partners' work and to launch the joint project.

>> news article on the faculty's website (in German)


BMBF Logo   13 January 2015
Funding received for collaborative project

The grant application: Scoping study for sustainable thermal insulation of buildings under the alpine conditions of Bhutan (SusTherm) was approved for funding by the Federal Ministry of Education and Research (BMBF). This collaborative research project with partners from Bhutan will be looking at the current situation in the construction industry as basis for developing approaches to better thermally insulating buildings in Bhutan.

>> more information on the collaboration with Bhutan


    2014

eLBau Logo
 
12 August 2014
New eLearning Bauphysik website live

The new website for the distance learning course 'eLearning Bauphysik' went live. This new design is part of the strategy to modernise the publicity regarding the course which also includes news feeds on social networking websites.

>> more information on the course (in German)


Thüringer Graduiertenförderung 2014   7 May 2014
Scholarship awarded to Aner Martinez Soto

Ing. Aner Martinez Soto received a scholarship within the framework of the Thüringer Graduiertenförderung in order to finalise his PhD work on: Models for predicting the energy demand in the residential sector. The scholarship was formally awarded at the university's scholarship award ceremony.

>> more information on the award ceremony


    2013

CIBSE TM53

 
September 2013
CIBSE TM53 published

The Chartered Institution of Building Services Engineers (CIBSE) published a new technical memorandum: TM53 Refurbishment of non-domestic buildings. The 89 page technical memorandum was authored by Assoc. Prof. Mark Jentsch as principal author in cooperation with a steering group of experts in the field of building services engineering. The report is aimed at professionals involved in the building refurbishment process.

>> more information on the CIBSE Knowledge Portal


b.is Logo   12 September 2013
Establishment of the b.is

The key areas involved in research and education in environmental sciences at the Bauhaus-Universität Weimar founded the Bauhaus-Institute for Infrastructure Solutions (b.is) with the aim to strengthen their collaboration under the umbrella of a joint institute.

>> more information on the institute


Anschubfonds Bauhaus-Universität Weimar   26 April 2013
Start-up funding secured from the university

Start-up funding was secured from the university for developing a grant application related to methods for predicting future heat waves and their implications for urban infrastructure systems. This research aims at building on the previous work by Assoc. Prof. Mark Jentsch on climate change and the built environment.

>> more information on the scheme (in German)


gwf-Wasser|Abwasser Netzwerk Wissen   February 2013
Research in environmental sciences featured

The research as well as the teaching programmes in the area of environmental sciences at the Bauhaus-Universität Weimar were featured in an 18 page special report in the professional journal gwf-Wasser|Abwasser. The area of Urban Energy Systems which forms part of the university's research and education in this area was introduced alongside the research teams in Urban Water Management and Sanitation and Biotechnology in Resources Management.

>> view article in gwf-Wasser|Abwasser (in German)


    2012
eLBau Logo   October 2012
Responsibility attained for MSc programme

The responsibility for the distance learning MSc programme 'eLearning Bauphysik Weiterbildungsstudium' (e-learning building physics CPD/MSc course) was handed over to Assoc. Prof. Mark Jentsch by the faculty. Responsibilities include the scientific guidance of the programme as well as working with the programme coordination team.

>> more information on the course (in German)


Ajman Environment Conference   3-7 June 2012
Ajman International Environment Conference

Assoc. Prof. Mark Jentsch was invited to Ajman, UAE as speaker and workshop facilitator at the 2nd Ajman International Environment Conference on 'An innovative approach to sustainability'. His talk dealt with climate change and the built environment in the Middle East, whilst the workshop focussed on renewable energy systems.

 
Publication Highlights



Most cited paper - Jentsch MF, Bahaj AS, James PAB, Climate change future proofing of buildings – Generation and assessment of building simulation weather files, Energy and Buildings, 40 (12) (2008) 2148-2168.

>> Google Scholar Citation Analysis


Most recent paper - Jentsch MF, Kulle C, Bode T, Pauer T, Osburg A, Tenzin, Namgyel K, Euthra K, Dukjey J, Tenzin K, Field study of the building physics properties of common building types in the Inner Himalayan valleys of Bhutan, Energy for Sustainable Development, 38 (2017) 48-66..

>> Publications
 
Current Research Projects



LocalHy - Decentralised electrolysis of water from renewable energy with combined hydrogen and oxygen use
Role: principal investigator
Funding body: Federal Ministry of Education and Research (BMBF)

>> more information

H2-Well
- Hydrogen Source and Value Added Region Main-Elbe-LINK
Role: principal investigator
Funding body: Federal Ministry of Education and Research (BMBF)

>> more information