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Annex39 Japan National Team Report. Annex39 Expert Meeting, 12 Nov 2013 at Waseda Univ. Tokyo Kiyoshi Saito Japan National team leader Waseda Univ. Japan National Team. Japan National Team Leader: Prof. Kiyoshi Saito, Waseda University

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Annex39 Japan National Team Report

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    1. Annex39Japan National Team Report Annex39 Expert Meeting, 12 Nov 2013at WasedaUniv. Tokyo Kiyoshi Saito Japan National team leader Waseda Univ.

    2. Japan National Team Japan National Team Leader: Prof. Kiyoshi Saito, Waseda University Annex39 scheduled Working period:Sep 2011~Aug 2014 Members of Japan National Team Dr. Hisashi Miura, National Institute for Land and Infrastructure Management Dr. Masato Miyata, Building Research Institute Prof. MasafumiHirota, Mie University Dr. Katsumi Hashimoto, Central Research Institute of Electric Power Industry Dr. YoheiKayukawa, National Institute of Advanced Industrial Science and Technology Mr. Kenji Matsuda, The Japan Refrigeration and Air Conditioning Industry Association Mr. Masahide Shima, The New Energy and Industrial Technology Development Organization Mr. Takeshi Hikawa, Heat Pump & Thermal Storage Technology Center of Japan Representatives from 8 corporations: Mitsubishi electric, Toshiba career, Panasonic, Daikin Industries, Kansai electric power company, Chubu electric power company, Mitsubishi heavy industries, Hitachi.

    3. International Expert Meeting History • Oct 2011Nurnberg • Jan 2012Chicago : National team activity reports • Oct 2012 Nurnberg : Activity reports of TASK1, TASK2(Existing specification) • May 2013Brussels : Discussion of each countries activities • Nov 2013Tokyo

    4. National Team Meeting History <1st board meeting on 6 Jun 2012> Outline of ANNEX39 Discuss what Tasks to contribute to <1st National team meeting on 3 Aug 2012> Outline of ANNEX39 Comparison Japan’s standards and Europe’s by Mr. Sagawa, JRAIA What to do for finalizing Task 1 & Task 2 toward end of Sep. <2nd National team meeting on 24 Aug 2012> Presentation about EN14825, ISO standards by Mr. Kataoka, JRAIA. Status report of TASK1,2 country report <3rd National team meeting on 20 Sep 2012> About contents of Task1, 2 Outline of Japan Air Conditioning and Refrigeration Testing Laboratory (JATL) by Mr. Hirata, JATL What to contribute to Task3 &4

    5. National Team Meeting History <4th National team meeting on 5 Dec 2012> Report from the Annex39 Expert meeting at CHILLVENTA by Prof. Saito Presentation: Current building load pattern in Japan by Dr. Miura, National Institute or Land and Infrastructure Management Presentation: EU standards by Associate prof. Kametani, Tokyo university of marine science and technology Presentation: How to analyze uncertainty by Dr. Kayukawa, National Institute of Advanced Industrial Science and Technology Presentations from the JSRAE annual conference, new performance evaluation method of air- conditioner & water heater by Prof. Hirota & Dr. Fujinawa

    6. National Team Meeting History <5th National team meeting on6 Mar 2013> Presentation: Activity about the ISO16358(standardization of testing method of air conditioner) by Mr. Kaibara, Panasonic Presentation: Current & future technology of Air Conditioning and Refrigeration Testing facility by Mr. Ishibasi, OnishiNetsugaku Presentation: LCEMtool and its simulation by Associate Prof. Yoon, Nagoya city university. <6th National team meeting on17 Jun 2013> Report from international expert meeting by Prof. Saito Presentation: Eco Cute standard; JISC9220 by Mr. Nishida, Daikin Industries Presentation: Performance simulation of air conditioner by Prof. Saito What to contribute to Task3,4 <2nd Board meeting on6 Jun 2013> Performance evaluation method of A/W heat pump for heating What to contribute to Task3,4

    7. Performance test method for Eco Cute(JIS C9220) • Performance test for Eco Cute(A/W heat pump water heater) is conducted under whole system setup combination of heat pump unit and storage tank unit . • Energy efficiency of heat pump unit is measured under 6 conditions in the table. • Hot water demand is determined by daily hot water use pattern –mode- at average Japanese home use. • Annualperformance efficiency is determined by the value of total amount of heat used in a year divided by total amount of electricity usage. • Test method includes influence of whole system factors such as storage tank unit thermal insulation performance , scheduling program effect and transient performance influence on the whole system performance. • This test method is well considered effective one to carry out precise evaluation. But since domestic hot water demand is deeply affected by Japan’s unique life style, It would be difficult to extend this test method to other countries.

    8. Types of major heat pump for heating , domestic hot water supply, & multi purpose heat pump, multi heat source heat pump In Japan Notes Besides air conditioning system and EcoCute, no standard exists in hybrid heat pump system in Japan. The increase of hybrid heat pump using RES would be possible near future.

    9. Trends in overseas 1 • SEAD: Super-efficient Equipment and Appliance Deployment • Survey & evaluate of existing calculation methods for heat pump water heaters in US , EU, Canada, Australia, Korea and China for ISO standardization, led by KTLand ICA. • Completed survey & evaluation of existing calculation methods for heat pump water heaters in targeted countries/regions. • Completed measurements using 3 testing facilities done by each method.

    10. Trends in overseas 2 ASHRAE:Calculation methods for multi-function heat pumps Method of testing for rating of multipurpose heat pumps for residential space conditioning and water heating has established in the U.S. This standard provides uniform calculation procedures , ambient & water temperatures and water draw schedule. This is standardized as ASHRAE206-2013 I think we have to refer this method for unified SPF

    11. Strategy for development of new SPF • Basic concept is as follows to unify heat pump evaluation method. • Separate simple heat pump unit and environment –boundary is shown in figure • Develop method to evaluate simple heat pump unit. Evaluation method of heat pump unit is referred to APF. • Evaluate whole heat pump system performance including additional facilities in another way. Concept of heat pump evaluation Boundary INPUT Sink: Temp. , kind of Trans.Medi. Source : Temp. kind of Trans.Medi. Load pattern Others : Some heats Transport medium • OUTPUT • Annual Energy consumption • Electricity • or Fossil fuel use • or CO2emission Environment

    12. 12 Strategy for development of new SPF • Objective heat pump unit : Air-conditioner, Heat pump water heater, some hybrid systems • Select transportation medium : Air to air, Air to water, Water to water How to organize performance of heat pump? Organize performance as function of heat source temp., heat sink temp. and load pattern. Just now APF onlysconsider ambient air temp. dependence. How much data should we take? Since we can’t take too much data, we have to consider how much data should we take. How to get annual performance? we can’t take every annual performance data. We have to consider how to estimate some performance whose actual data we can’t get. COP Power consumption Rated Load Middle Fig. Performance evaluation method of APF Ambient temp.

    13. Strategy for development of new SPF When followings are given, depending on driving condition or country, we can decide SPF Load pattern, annual temp. change of heat source and sink, additional heat or power quantity-renewable energy, waste heat Annual Load pattern Renewable energy condition This can be determined by climate and size & performance of element Waste heat should be determined by user data But anyway, we can decide the annual performance of heat pump just like,

    14. Strategy for development of new SPF • Simulation : We try to use both of physical model considered code and whole system calc. code. • Simulation that consider detailed physical model should be used to estimate annual performance of heat pump unit. • Simulation that can calculate large scale system just like LCEM I introduced you last time is used to evaluate whole heat pump system including renewable energy, Waste heat …. Fig. Large scale system calculation code Fig. Physical model considered simulation code

    15. 15 Strategy for development of new SPF • Validation • High precision data acquired from such as assessment center is needed to validate heat pump unit. • Field test data is needed to evaluate whole annual performance including renewable energy and waste heat. Fig. Data acquisition Fig. Filed test data

    16. TASKS UNTIL NEXT MEETING • Future Task • We will investigate evaluation method of hybrid systems • We try to suggest how to evaluate heat pump unit depending on heat source temp., sink temp and load pattern. • In this case, detailed simulation will be used. • We will evaluate whole system performance with simulation. • We investigate whether we can use data we have already gotten to evaluate not only heat pump unit but also whole system performance. It is difficult to get new data.