Integrated energy systems modelling tools?

Does anybody have a strong experience of multi-vector energy systems modeling using existing tools? Suggestions on modeling tools that can do transport, power and heating system modeling in an...

04 May 2019 3,774 2 View

Is there any robust source that proposes specific carbon tax?

I am interested in the range of prices proposed for carbon tax in order to help national/global carbon reduction targets/ambitions. Does anybody know of any scientific literature or reputable...

10 November 2018 704 0 View

What is the best tool for data analytics?

I know a wide range of tools are available for data analytics, imputation and visualisation. I would love to hear the experience of others on the best tools for analysing large volumes of data and...

06 July 2018 6,815 4 View

Is global horizontal irradiance correction for PV tilt possible independent of solar elevation?

I have a very specific question, I have hourly total (i.e. global) solar irradiance on horizontal plane (measured by a building rooftop pyranometer) next to an array of PV modules mounted at a...

05 June 2018 6,093 6 View

How to break down global irradiation into direct and diffused elements?

Hello all There is a vast amount of literature, some very old indeed, that talk about solar irradiation component modelling. I want to break global measurements (in W/m2) to its direct and...

05 June 2018 3,195 11 View

Up-to-date total UK primary energy use?

Does anybody know of a respected source that outlines total primary energy use in the UK? BEIS has published a document (Energy consumption in the UK: 2017) but I am wondering if there is any...

03 April 2018 1,317 0 View

Published figures for decarbonisation of natural gas in the UK?

Can anybody suggest any source (or referenced figures) for plans to decarbonise natural gas in the UK? The Committee on Climate Change (CCC) suggests a target of 50 gCO2e/kWh of UK grid...

02 March 2018 8,197 3 View

Convective heat transfer coefficient (hc) for building simulation ?

08 September 2017 1,405 3 View

What is a reasonable iteration limit for CFD?

I am working on a CFD analysis of a 80m2 greenhouse used for drying seeds. The space has 8 shelves stacked at 4 different heights and openable windows for excess moisture and heat to be removed. I...

31 December 2016 7,946 8 View

Calculating temperature-dependant internal surface convective heat transfer coefficient (CHTC)?

Does anybody know the best validated method for dynamically calculating the CHTC for a concrete ceiling inside a building? I know that great variations are reported (below are two good sources),...

10 November 2016 6,058 5 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Irradiation data for JAPAN?

Hi, Could you help me to get the latest (2019, 2020) solar resource data for a particular site in JAPAN? PV GIS and NSRDB data are not in reach to JAPAN, I'm looking for some other database for...

03 March 2021 961 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 View

Can NFL theorem be valid in infinite search space in ML?

NFL theorem is valid for algorithms training in fixed training set. However, the general characteristic of algorithms in expanded or open dataset has not been proved yet. Could you show your...

01 March 2021 1,189 3 View

Does anyone know how to plot my station to a section plot on Ocean Data View (ODV)?

I made a vertical section plot with WOA .nc file on ODV, and now I want to plot my stations (csv. file) in it. Does anyone know how to import my points to the section? They are two different...

01 March 2021 3,610 1 View

How to address this issue in the analysis of Real-Time PCR results?

To dear Researchers, I was analyzing a series of concentration for estimation of Real-Time PCR efficiency. The concentration was 1:10. I used MS-excel to evaluate Slope. The result of slope was -8...

01 March 2021 8,683 4 View