[Bldg-sim] Expert advice on Wall Insulation study in eQuest

Claire Das Bhaumik claire at inklingllp.com
Thu Apr 23 02:19:53 PDT 2015


The results look reasonably close to those expected but that you haven't
reached the far enough down the curve yet to see it stagnating? Either that
or there are some other factors in the model which become more less
significant with reducing U-value?


*Dr Claire Das Bhaumik CEng FCIBSE*

*Partner - Inkling LLP*



e: claire at inklingllp.com

t:  07950 282800

w: www.inklingllp.com

Follow us on Twitter: @DasInkling

Partnership No. OC367619

On Thu, Apr 23, 2015 at 10:00 AM, Mayank Bhatnagar <mayank.23aug at gmail.com>
wrote:

> Hi Claire,
>
> Thanks for your response.
>
> The analysis has been done on an 8 hour operating office building in New
> Delhi. The mechanical system is packaged single zone system with electric
> resistance heating.
>
> Please let me know if you need more information.
>
> Thanks
>
> Regards,
> Mayank
>
> On Thu, Apr 23, 2015 at 2:25 PM, Claire Das Bhaumik <claire at inklingllp.com
> > wrote:
>
>> Mayank,
>>
>> I think we need to know a bit more about the building:
>> - Location (some parts of India are cool, others hot!)
>> - Building usage - office, domestic, retail? Hours of use?
>> - Servicing - heating and cooling? Mechanical or natural vent?
>>
>> Regards,
>>
>> *Dr Claire Das Bhaumik CEng FCIBSE*
>>
>> *Partner - Inkling LLP*
>>
>>
>>
>> e: claire at inklingllp.com
>>
>> t:  07950 282800
>>
>> w: www.inklingllp.com
>>
>> Follow us on Twitter: @DasInkling
>>
>> Partnership No. OC367619
>>
>> On Thu, Apr 23, 2015 at 9:51 AM, Mayank Bhatnagar <mayank.23aug at gmail.com
>> > wrote:
>>
>>> Dear All,
>>>
>>> We are working on a national level research project in India. A building
>>> envelope analysis is a part of this project. By doing analysis, we have
>>> found a vague results in trend (linearly downward) of reduction in energy
>>> consumption with reducing wall U-value in eQUEST.
>>>
>>> Theoretically, the energy consumption should approach to stagnant with
>>> reduction in wall U-value.
>>>
>>> Please refer figure.
>>>
>>> Appreciate if anyone put light on this.
>>>
>>> Thank you.
>>>
>>> Regards,
>>>
>>> Mayank Bhatnagar
>>>
>>> Theoretical should come like this.
>>> [image: Inline image 1]
>>>
>>> In eQuest the trend is-
>>> [image: Inline image 2]
>>>
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>>
>
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