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Just wanted to double check my understanding on the MOWITT model for convective heat transfer coefficient for Windows. MOWITT creates the regression coeffs for forced convection based on wind speed measured at 10m. These coeffs are okay for low rise building since the test facility window height was 2m. Energy plus can convert the convection coeffs based on variable wind measurement heights (depends on convective surface heights) since they have the actual heat transfer data from the experiment. My questions are- 1. If I want to make my wind height measurements are different and I am not using Energy plus how can I know the proper coeffs for forced convection on an external glazed surface. 2. If I use the V_10 as MOWITT, up to what height of the window is the available forced convection coeffs valid.

Best Abir, UC Davis

Just wanted to double check my understanding on the MOWITT model for convective heat transfer coefficient for Windows. MOWITT creates the regression coeffs for forced convection based on wind speed measured at 10m. These coeffs are okay for low rise building since the test facility window height was 2m. Energy plus can convert the convection coeffs based on variable wind measurement heights (depends on convective surface heights) since they have the actual heat transfer data from the experiment. My questions are- 1. If I want to make my wind height measurements are different and I am not using Energy plus how can I know the proper coeffs for forced convection on an external glazed surface. 2. If I use the V_10 as MOWITT, up to what height of the window is the available forced convection coeffs valid.

Best Abir, UC Davis

Just wanted to double check my understanding on the MOWITT model for convective heat transfer coefficient for Windows. MOWITT creates the regression coeffs for forced convection based on wind speed measured at 10m. These coeffs are okay for low rise building since the test facility window height was 2m. Energy plus can convert the convection coeffs based on variable wind measurement heights (depends on convective surface heights) since they have the actual heat transfer data from the experiment. My questions are- 1. are:

1. If I want to make my wind height measurements are different and I am not using Energy plus how can I know the proper coeffs for forced convection on an external glazed surface.
2.
2. If I use the V_10 as MOWITT, up to what height of the window is the available forced convection coeffs valid.

Best Abir, UC Davis

Just wanted to double check my understanding on the MOWITT model for convective heat transfer coefficient for Windows. MOWITT creates the regression coeffs for forced convection based on wind speed measured at 10m. These coeffs are okay for low rise building since the test facility window height was 2m. Energy plus can convert the convection coeffs based on variable wind measurement heights (depends on convective surface heights) since they have the actual heat transfer data from the experiment. My questions are:

1. If I want to make my wind height measurements are different and I am not using Energy plus how can I know the proper coeffs for forced convection on an external glazed surface.
2. If I use the V_10 as MOWITT, MoWitt model, up to what height of the window is the available forced convection coeffs valid.

Best Abir, UC Davis